From ee6bb0cc763507b165674dbe03c6ae5d26c8da5c Mon Sep 17 00:00:00 2001 From: Mark H Weaver Date: Sun, 15 Nov 2015 14:16:57 -0500 Subject: gnu: libxml2: Add fixes for CVE-2015-{1819,7941,7942,8035} and other bugs. * gnu/packages/patches/libxml2-CVE-2015-1819.patch, gnu/packages/patches/libxml2-CVE-2015-7941-pt1.patch, gnu/packages/patches/libxml2-CVE-2015-7941-pt2.patch, gnu/packages/patches/libxml2-CVE-2015-7942-pt1.patch, gnu/packages/patches/libxml2-CVE-2015-7942-pt2.patch, gnu/packages/patches/libxml2-CVE-2015-8035.patch, gnu/packages/patches/libxml2-bug-737840.patch, gnu/packages/patches/libxml2-bug-738805.patch, gnu/packages/patches/libxml2-bug-746048.patch, gnu/packages/patches/libxml2-bug-747437.patch, gnu/packages/patches/libxml2-bug-751603.patch, gnu/packages/patches/libxml2-bug-751631.patch, gnu/packages/patches/libxml2-bug-754946.patch, gnu/packages/patches/libxml2-bug-754947.patch, gnu/packages/patches/libxml2-bug-755857.patch, gnu/packages/patches/libxml2-fix-catalog-corruption.patch, gnu/packages/patches/libxml2-id-attrs-in-xmlSetTreeDoc.patch, gnu/packages/patches/libxml2-node-sort-order-pt1.patch, gnu/packages/patches/libxml2-node-sort-order-pt2.patch: New files. * gnu-system.am (dist_patch_DATA): Add them. * gnu/packages/xml.scm (libxml2)[source]: Add patches. --- gnu/packages/patches/libxml2-CVE-2015-1819.patch | 176 +++++++++++++++++++++ .../patches/libxml2-CVE-2015-7941-pt1.patch | 32 ++++ .../patches/libxml2-CVE-2015-7941-pt2.patch | 49 ++++++ .../patches/libxml2-CVE-2015-7942-pt1.patch | 32 ++++ .../patches/libxml2-CVE-2015-7942-pt2.patch | 28 ++++ gnu/packages/patches/libxml2-CVE-2015-8035.patch | 31 ++++ gnu/packages/patches/libxml2-bug-737840.patch | 88 +++++++++++ gnu/packages/patches/libxml2-bug-738805.patch | 31 ++++ gnu/packages/patches/libxml2-bug-746048.patch | 65 ++++++++ gnu/packages/patches/libxml2-bug-747437.patch | 46 ++++++ gnu/packages/patches/libxml2-bug-751603.patch | 38 +++++ gnu/packages/patches/libxml2-bug-751631.patch | 35 ++++ gnu/packages/patches/libxml2-bug-754946.patch | 132 ++++++++++++++++ gnu/packages/patches/libxml2-bug-754947.patch | 103 ++++++++++++ gnu/packages/patches/libxml2-bug-755857.patch | 43 +++++ .../patches/libxml2-fix-catalog-corruption.patch | 29 ++++ .../libxml2-id-attrs-in-xmlSetTreeDoc.patch | 36 +++++ .../patches/libxml2-node-sort-order-pt1.patch | 33 ++++ .../patches/libxml2-node-sort-order-pt2.patch | 37 +++++ gnu/packages/xml.scm | 23 ++- 20 files changed, 1086 insertions(+), 1 deletion(-) create mode 100644 gnu/packages/patches/libxml2-CVE-2015-1819.patch create mode 100644 gnu/packages/patches/libxml2-CVE-2015-7941-pt1.patch create mode 100644 gnu/packages/patches/libxml2-CVE-2015-7941-pt2.patch create mode 100644 gnu/packages/patches/libxml2-CVE-2015-7942-pt1.patch create mode 100644 gnu/packages/patches/libxml2-CVE-2015-7942-pt2.patch create mode 100644 gnu/packages/patches/libxml2-CVE-2015-8035.patch create mode 100644 gnu/packages/patches/libxml2-bug-737840.patch create mode 100644 gnu/packages/patches/libxml2-bug-738805.patch create mode 100644 gnu/packages/patches/libxml2-bug-746048.patch create mode 100644 gnu/packages/patches/libxml2-bug-747437.patch create mode 100644 gnu/packages/patches/libxml2-bug-751603.patch create mode 100644 gnu/packages/patches/libxml2-bug-751631.patch create mode 100644 gnu/packages/patches/libxml2-bug-754946.patch create mode 100644 gnu/packages/patches/libxml2-bug-754947.patch create mode 100644 gnu/packages/patches/libxml2-bug-755857.patch create mode 100644 gnu/packages/patches/libxml2-fix-catalog-corruption.patch create mode 100644 gnu/packages/patches/libxml2-id-attrs-in-xmlSetTreeDoc.patch create mode 100644 gnu/packages/patches/libxml2-node-sort-order-pt1.patch create mode 100644 gnu/packages/patches/libxml2-node-sort-order-pt2.patch (limited to 'gnu') diff --git a/gnu/packages/patches/libxml2-CVE-2015-1819.patch b/gnu/packages/patches/libxml2-CVE-2015-1819.patch new file mode 100644 index 0000000000..58461c73b2 --- /dev/null +++ b/gnu/packages/patches/libxml2-CVE-2015-1819.patch @@ -0,0 +1,176 @@ +From 213f1fe0d76d30eaed6e5853057defc43e6df2c9 Mon Sep 17 00:00:00 2001 +From: Daniel Veillard +Date: Tue, 14 Apr 2015 17:41:48 +0800 +Subject: [PATCH] CVE-2015-1819 Enforce the reader to run in constant memory + +One of the operation on the reader could resolve entities +leading to the classic expansion issue. Make sure the +buffer used for xmlreader operation is bounded. +Introduce a new allocation type for the buffers for this effect. +--- + buf.c | 43 ++++++++++++++++++++++++++++++++++++++++++- + include/libxml/tree.h | 3 ++- + xmlreader.c | 20 +++++++++++++++++++- + 3 files changed, 63 insertions(+), 3 deletions(-) + +diff --git a/buf.c b/buf.c +index 6efc7b6..07922ff 100644 +--- a/buf.c ++++ b/buf.c +@@ -27,6 +27,7 @@ + #include + #include + #include ++#include /* for XML_MAX_TEXT_LENGTH */ + #include "buf.h" + + #define WITH_BUFFER_COMPAT +@@ -299,7 +300,8 @@ xmlBufSetAllocationScheme(xmlBufPtr buf, + if ((scheme == XML_BUFFER_ALLOC_DOUBLEIT) || + (scheme == XML_BUFFER_ALLOC_EXACT) || + (scheme == XML_BUFFER_ALLOC_HYBRID) || +- (scheme == XML_BUFFER_ALLOC_IMMUTABLE)) { ++ (scheme == XML_BUFFER_ALLOC_IMMUTABLE) || ++ (scheme == XML_BUFFER_ALLOC_BOUNDED)) { + buf->alloc = scheme; + if (buf->buffer) + buf->buffer->alloc = scheme; +@@ -458,6 +460,18 @@ xmlBufGrowInternal(xmlBufPtr buf, size_t len) { + size = buf->use + len + 100; + #endif + ++ if (buf->alloc == XML_BUFFER_ALLOC_BOUNDED) { ++ /* ++ * Used to provide parsing limits ++ */ ++ if ((buf->use + len >= XML_MAX_TEXT_LENGTH) || ++ (buf->size >= XML_MAX_TEXT_LENGTH)) { ++ xmlBufMemoryError(buf, "buffer error: text too long\n"); ++ return(0); ++ } ++ if (size >= XML_MAX_TEXT_LENGTH) ++ size = XML_MAX_TEXT_LENGTH; ++ } + if ((buf->alloc == XML_BUFFER_ALLOC_IO) && (buf->contentIO != NULL)) { + size_t start_buf = buf->content - buf->contentIO; + +@@ -739,6 +753,15 @@ xmlBufResize(xmlBufPtr buf, size_t size) + CHECK_COMPAT(buf) + + if (buf->alloc == XML_BUFFER_ALLOC_IMMUTABLE) return(0); ++ if (buf->alloc == XML_BUFFER_ALLOC_BOUNDED) { ++ /* ++ * Used to provide parsing limits ++ */ ++ if (size >= XML_MAX_TEXT_LENGTH) { ++ xmlBufMemoryError(buf, "buffer error: text too long\n"); ++ return(0); ++ } ++ } + + /* Don't resize if we don't have to */ + if (size < buf->size) +@@ -867,6 +890,15 @@ xmlBufAdd(xmlBufPtr buf, const xmlChar *str, int len) { + + needSize = buf->use + len + 2; + if (needSize > buf->size){ ++ if (buf->alloc == XML_BUFFER_ALLOC_BOUNDED) { ++ /* ++ * Used to provide parsing limits ++ */ ++ if (needSize >= XML_MAX_TEXT_LENGTH) { ++ xmlBufMemoryError(buf, "buffer error: text too long\n"); ++ return(-1); ++ } ++ } + if (!xmlBufResize(buf, needSize)){ + xmlBufMemoryError(buf, "growing buffer"); + return XML_ERR_NO_MEMORY; +@@ -938,6 +970,15 @@ xmlBufAddHead(xmlBufPtr buf, const xmlChar *str, int len) { + } + needSize = buf->use + len + 2; + if (needSize > buf->size){ ++ if (buf->alloc == XML_BUFFER_ALLOC_BOUNDED) { ++ /* ++ * Used to provide parsing limits ++ */ ++ if (needSize >= XML_MAX_TEXT_LENGTH) { ++ xmlBufMemoryError(buf, "buffer error: text too long\n"); ++ return(-1); ++ } ++ } + if (!xmlBufResize(buf, needSize)){ + xmlBufMemoryError(buf, "growing buffer"); + return XML_ERR_NO_MEMORY; +diff --git a/include/libxml/tree.h b/include/libxml/tree.h +index 2f90717..4a9b3bc 100644 +--- a/include/libxml/tree.h ++++ b/include/libxml/tree.h +@@ -76,7 +76,8 @@ typedef enum { + XML_BUFFER_ALLOC_EXACT, /* grow only to the minimal size */ + XML_BUFFER_ALLOC_IMMUTABLE, /* immutable buffer */ + XML_BUFFER_ALLOC_IO, /* special allocation scheme used for I/O */ +- XML_BUFFER_ALLOC_HYBRID /* exact up to a threshold, and doubleit thereafter */ ++ XML_BUFFER_ALLOC_HYBRID, /* exact up to a threshold, and doubleit thereafter */ ++ XML_BUFFER_ALLOC_BOUNDED /* limit the upper size of the buffer */ + } xmlBufferAllocationScheme; + + /** +diff --git a/xmlreader.c b/xmlreader.c +index f19e123..471e7e2 100644 +--- a/xmlreader.c ++++ b/xmlreader.c +@@ -2091,6 +2091,9 @@ xmlNewTextReader(xmlParserInputBufferPtr input, const char *URI) { + "xmlNewTextReader : malloc failed\n"); + return(NULL); + } ++ /* no operation on a reader should require a huge buffer */ ++ xmlBufSetAllocationScheme(ret->buffer, ++ XML_BUFFER_ALLOC_BOUNDED); + ret->sax = (xmlSAXHandler *) xmlMalloc(sizeof(xmlSAXHandler)); + if (ret->sax == NULL) { + xmlBufFree(ret->buffer); +@@ -3616,6 +3619,7 @@ xmlTextReaderConstValue(xmlTextReaderPtr reader) { + return(((xmlNsPtr) node)->href); + case XML_ATTRIBUTE_NODE:{ + xmlAttrPtr attr = (xmlAttrPtr) node; ++ const xmlChar *ret; + + if ((attr->children != NULL) && + (attr->children->type == XML_TEXT_NODE) && +@@ -3629,10 +3633,21 @@ xmlTextReaderConstValue(xmlTextReaderPtr reader) { + "xmlTextReaderSetup : malloc failed\n"); + return (NULL); + } ++ xmlBufSetAllocationScheme(reader->buffer, ++ XML_BUFFER_ALLOC_BOUNDED); + } else + xmlBufEmpty(reader->buffer); + xmlBufGetNodeContent(reader->buffer, node); +- return(xmlBufContent(reader->buffer)); ++ ret = xmlBufContent(reader->buffer); ++ if (ret == NULL) { ++ /* error on the buffer best to reallocate */ ++ xmlBufFree(reader->buffer); ++ reader->buffer = xmlBufCreateSize(100); ++ xmlBufSetAllocationScheme(reader->buffer, ++ XML_BUFFER_ALLOC_BOUNDED); ++ ret = BAD_CAST ""; ++ } ++ return(ret); + } + break; + } +@@ -5131,6 +5146,9 @@ xmlTextReaderSetup(xmlTextReaderPtr reader, + "xmlTextReaderSetup : malloc failed\n"); + return (-1); + } ++ /* no operation on a reader should require a huge buffer */ ++ xmlBufSetAllocationScheme(reader->buffer, ++ XML_BUFFER_ALLOC_BOUNDED); + if (reader->sax == NULL) + reader->sax = (xmlSAXHandler *) xmlMalloc(sizeof(xmlSAXHandler)); + if (reader->sax == NULL) { +-- +2.6.3 + diff --git a/gnu/packages/patches/libxml2-CVE-2015-7941-pt1.patch b/gnu/packages/patches/libxml2-CVE-2015-7941-pt1.patch new file mode 100644 index 0000000000..4ca49039b2 --- /dev/null +++ b/gnu/packages/patches/libxml2-CVE-2015-7941-pt1.patch @@ -0,0 +1,32 @@ +From a7dfab7411cbf545f359dd3157e5df1eb0e7ce31 Mon Sep 17 00:00:00 2001 +From: Daniel Veillard +Date: Mon, 23 Feb 2015 11:17:35 +0800 +Subject: [PATCH] Stop parsing on entities boundaries errors + +For https://bugzilla.gnome.org/show_bug.cgi?id=744980 + +There are times, like on unterminated entities that it's preferable to +stop parsing, even if that means less error reporting. Entities are +feeding the parser on further processing, and if they are ill defined +then it's possible to get the parser to bug. Also do the same on +Conditional Sections if the input is broken, as the structure of +the document can't be guessed. +--- + parser.c | 1 + + 1 file changed, 1 insertion(+) + +diff --git a/parser.c b/parser.c +index a8d1b67..bbe97eb 100644 +--- a/parser.c ++++ b/parser.c +@@ -5658,6 +5658,7 @@ xmlParseEntityDecl(xmlParserCtxtPtr ctxt) { + if (RAW != '>') { + xmlFatalErrMsgStr(ctxt, XML_ERR_ENTITY_NOT_FINISHED, + "xmlParseEntityDecl: entity %s not terminated\n", name); ++ xmlStopParser(ctxt); + } else { + if (input != ctxt->input) { + xmlFatalErrMsg(ctxt, XML_ERR_ENTITY_BOUNDARY, +-- +2.6.3 + diff --git a/gnu/packages/patches/libxml2-CVE-2015-7941-pt2.patch b/gnu/packages/patches/libxml2-CVE-2015-7941-pt2.patch new file mode 100644 index 0000000000..30563a46b6 --- /dev/null +++ b/gnu/packages/patches/libxml2-CVE-2015-7941-pt2.patch @@ -0,0 +1,49 @@ +From 9b8512337d14c8ddf662fcb98b0135f225a1c489 Mon Sep 17 00:00:00 2001 +From: Daniel Veillard +Date: Mon, 23 Feb 2015 11:29:20 +0800 +Subject: [PATCH] Cleanup conditional section error handling + +For https://bugzilla.gnome.org/show_bug.cgi?id=744980 + +The error handling of Conditional Section also need to be +straightened as the structure of the document can't be +guessed on a failure there and it's better to stop parsing +as further errors are likely to be irrelevant. +--- + parser.c | 6 ++++++ + 1 file changed, 6 insertions(+) + +diff --git a/parser.c b/parser.c +index bbe97eb..fe603ac 100644 +--- a/parser.c ++++ b/parser.c +@@ -6770,6 +6770,8 @@ xmlParseConditionalSections(xmlParserCtxtPtr ctxt) { + SKIP_BLANKS; + if (RAW != '[') { + xmlFatalErr(ctxt, XML_ERR_CONDSEC_INVALID, NULL); ++ xmlStopParser(ctxt); ++ return; + } else { + if (ctxt->input->id != id) { + xmlValidityError(ctxt, XML_ERR_ENTITY_BOUNDARY, +@@ -6830,6 +6832,8 @@ xmlParseConditionalSections(xmlParserCtxtPtr ctxt) { + SKIP_BLANKS; + if (RAW != '[') { + xmlFatalErr(ctxt, XML_ERR_CONDSEC_INVALID, NULL); ++ xmlStopParser(ctxt); ++ return; + } else { + if (ctxt->input->id != id) { + xmlValidityError(ctxt, XML_ERR_ENTITY_BOUNDARY, +@@ -6885,6 +6889,8 @@ xmlParseConditionalSections(xmlParserCtxtPtr ctxt) { + + } else { + xmlFatalErr(ctxt, XML_ERR_CONDSEC_INVALID_KEYWORD, NULL); ++ xmlStopParser(ctxt); ++ return; + } + + if (RAW == 0) +-- +2.6.3 + diff --git a/gnu/packages/patches/libxml2-CVE-2015-7942-pt1.patch b/gnu/packages/patches/libxml2-CVE-2015-7942-pt1.patch new file mode 100644 index 0000000000..bd9077d7c4 --- /dev/null +++ b/gnu/packages/patches/libxml2-CVE-2015-7942-pt1.patch @@ -0,0 +1,32 @@ +From bd0526e66a56e75a18da8c15c4750db8f801c52d Mon Sep 17 00:00:00 2001 +From: Daniel Veillard +Date: Fri, 23 Oct 2015 19:02:28 +0800 +Subject: [PATCH] Another variation of overflow in Conditional sections + +Which happen after the previous fix to +https://bugzilla.gnome.org/show_bug.cgi?id=756456 + +But stopping the parser and exiting we didn't pop the intermediary entities +and doing the SKIP there applies on an input which may be too small +--- + parser.c | 4 +++- + 1 file changed, 3 insertions(+), 1 deletion(-) + +diff --git a/parser.c b/parser.c +index a65e4cc..b9217ff 100644 +--- a/parser.c ++++ b/parser.c +@@ -6915,7 +6915,9 @@ xmlParseConditionalSections(xmlParserCtxtPtr ctxt) { + "All markup of the conditional section is not in the same entity\n", + NULL, NULL); + } +- SKIP(3); ++ if ((ctxt-> instate != XML_PARSER_EOF) && ++ ((ctxt->input->cur + 3) < ctxt->input->end)) ++ SKIP(3); + } + } + +-- +2.6.3 + diff --git a/gnu/packages/patches/libxml2-CVE-2015-7942-pt2.patch b/gnu/packages/patches/libxml2-CVE-2015-7942-pt2.patch new file mode 100644 index 0000000000..115d369ac3 --- /dev/null +++ b/gnu/packages/patches/libxml2-CVE-2015-7942-pt2.patch @@ -0,0 +1,28 @@ +From 41ac9049a27f52e7a1f3b341f8714149fc88d450 Mon Sep 17 00:00:00 2001 +From: Daniel Veillard +Date: Tue, 27 Oct 2015 10:53:44 +0800 +Subject: [PATCH] Fix an error in previous Conditional section patch + +an off by one mistake in the change, led to error on correct +document where the end of the included entity was exactly +the end of the conditional section, leading to regtest failure +--- + parser.c | 2 +- + 1 file changed, 1 insertion(+), 1 deletion(-) + +diff --git a/parser.c b/parser.c +index b9217ff..d67b300 100644 +--- a/parser.c ++++ b/parser.c +@@ -6916,7 +6916,7 @@ xmlParseConditionalSections(xmlParserCtxtPtr ctxt) { + NULL, NULL); + } + if ((ctxt-> instate != XML_PARSER_EOF) && +- ((ctxt->input->cur + 3) < ctxt->input->end)) ++ ((ctxt->input->cur + 3) <= ctxt->input->end)) + SKIP(3); + } + } +-- +2.6.3 + diff --git a/gnu/packages/patches/libxml2-CVE-2015-8035.patch b/gnu/packages/patches/libxml2-CVE-2015-8035.patch new file mode 100644 index 0000000000..d29c96228e --- /dev/null +++ b/gnu/packages/patches/libxml2-CVE-2015-8035.patch @@ -0,0 +1,31 @@ +From f0709e3ca8f8947f2d91ed34e92e38a4c23eae63 Mon Sep 17 00:00:00 2001 +From: Daniel Veillard +Date: Tue, 3 Nov 2015 15:31:25 +0800 +Subject: [PATCH] CVE-2015-8035 Fix XZ compression support loop + +For https://bugzilla.gnome.org/show_bug.cgi?id=757466 +DoS when parsing specially crafted XML document if XZ support +is compiled in (which wasn't the case for 2.9.2 and master since +Nov 2013, fixed in next commit !) +--- + xzlib.c | 4 ++++ + 1 file changed, 4 insertions(+) + +diff --git a/xzlib.c b/xzlib.c +index 0dcb9f4..1fab546 100644 +--- a/xzlib.c ++++ b/xzlib.c +@@ -581,6 +581,10 @@ xz_decomp(xz_statep state) + xz_error(state, LZMA_DATA_ERROR, "compressed data error"); + return -1; + } ++ if (ret == LZMA_PROG_ERROR) { ++ xz_error(state, LZMA_PROG_ERROR, "compression error"); ++ return -1; ++ } + } while (strm->avail_out && ret != LZMA_STREAM_END); + + /* update available output and crc check value */ +-- +2.6.3 + diff --git a/gnu/packages/patches/libxml2-bug-737840.patch b/gnu/packages/patches/libxml2-bug-737840.patch new file mode 100644 index 0000000000..2a2d62c583 --- /dev/null +++ b/gnu/packages/patches/libxml2-bug-737840.patch @@ -0,0 +1,88 @@ +From ef709ce2f7b792d5fb69ed142796d743fb1eb388 Mon Sep 17 00:00:00 2001 +From: Daniel Veillard +Date: Thu, 10 Sep 2015 19:41:41 +0800 +Subject: [PATCH] Fix the spurious ID already defined error + +For https://bugzilla.gnome.org/show_bug.cgi?id=737840 +the fix for 724903 introduced a regression on external entities carrying +IDs, revert that patch in part and add a specific test to avoid readding it +--- + result/valid/737840.xml | 10 ++++++++++ + result/valid/737840.xml.err | 0 + result/valid/737840.xml.err.rdr | 0 + test/valid/737840.xml | 10 ++++++++++ + test/valid/dtds/737840.ent | 1 + + valid.c | 6 ++++-- + 6 files changed, 25 insertions(+), 2 deletions(-) + create mode 100644 result/valid/737840.xml + create mode 100644 result/valid/737840.xml.err + create mode 100644 result/valid/737840.xml.err.rdr + create mode 100644 test/valid/737840.xml + create mode 100644 test/valid/dtds/737840.ent + +diff --git a/result/valid/737840.xml b/result/valid/737840.xml +new file mode 100644 +index 0000000..433c6d6 +--- /dev/null ++++ b/result/valid/737840.xml +@@ -0,0 +1,10 @@ ++ ++ ++ ++ ++ ++]> ++ ++ ⌖ ++ +diff --git a/result/valid/737840.xml.err b/result/valid/737840.xml.err +new file mode 100644 +index 0000000..e69de29 +diff --git a/result/valid/737840.xml.err.rdr b/result/valid/737840.xml.err.rdr +new file mode 100644 +index 0000000..e69de29 +diff --git a/test/valid/737840.xml b/test/valid/737840.xml +new file mode 100644 +index 0000000..2d27b73 +--- /dev/null ++++ b/test/valid/737840.xml +@@ -0,0 +1,10 @@ ++ ++ ++ ++ ++]> ++ ++ ++ ⌖ ++ +diff --git a/test/valid/dtds/737840.ent b/test/valid/dtds/737840.ent +new file mode 100644 +index 0000000..e972132 +--- /dev/null ++++ b/test/valid/dtds/737840.ent +@@ -0,0 +1 @@ ++ +\ No newline at end of file +diff --git a/valid.c b/valid.c +index 409aa81..45a3f70 100644 +--- a/valid.c ++++ b/valid.c +@@ -2634,8 +2634,10 @@ xmlAddID(xmlValidCtxtPtr ctxt, xmlDocPtr doc, const xmlChar *value, + /* + * The id is already defined in this DTD. + */ +- xmlErrValidNode(ctxt, attr->parent, XML_DTD_ID_REDEFINED, +- "ID %s already defined\n", value, NULL, NULL); ++ if (ctxt != NULL) { ++ xmlErrValidNode(ctxt, attr->parent, XML_DTD_ID_REDEFINED, ++ "ID %s already defined\n", value, NULL, NULL); ++ } + #endif /* LIBXML_VALID_ENABLED */ + xmlFreeID(ret); + return(NULL); +-- +2.6.3 + diff --git a/gnu/packages/patches/libxml2-bug-738805.patch b/gnu/packages/patches/libxml2-bug-738805.patch new file mode 100644 index 0000000000..16163bb941 --- /dev/null +++ b/gnu/packages/patches/libxml2-bug-738805.patch @@ -0,0 +1,31 @@ +From 72a46a519ce7326d9a00f0b6a7f2a8e958cd1675 Mon Sep 17 00:00:00 2001 +From: Daniel Veillard +Date: Thu, 23 Oct 2014 11:35:36 +0800 +Subject: [PATCH] Fix missing entities after CVE-2014-3660 fix + +For https://bugzilla.gnome.org/show_bug.cgi?id=738805 + +The fix for CVE-2014-3660 introduced a regression in some case +where entity substitution is required and the entity is used +first in anotther entity referenced from an attribute value +--- + parser.c | 3 ++- + 1 file changed, 2 insertions(+), 1 deletion(-) + +diff --git a/parser.c b/parser.c +index 67c9dfd..a8d1b67 100644 +--- a/parser.c ++++ b/parser.c +@@ -7235,7 +7235,8 @@ xmlParseReference(xmlParserCtxtPtr ctxt) { + * far more secure as the parser will only process data coming from + * the document entity by default. + */ +- if ((ent->checked == 0) && ++ if (((ent->checked == 0) || ++ ((ent->children == NULL) && (ctxt->options & XML_PARSE_NOENT))) && + ((ent->etype != XML_EXTERNAL_GENERAL_PARSED_ENTITY) || + (ctxt->options & (XML_PARSE_NOENT | XML_PARSE_DTDVALID)))) { + unsigned long oldnbent = ctxt->nbentities; +-- +2.6.3 + diff --git a/gnu/packages/patches/libxml2-bug-746048.patch b/gnu/packages/patches/libxml2-bug-746048.patch new file mode 100644 index 0000000000..450b8d3ab3 --- /dev/null +++ b/gnu/packages/patches/libxml2-bug-746048.patch @@ -0,0 +1,65 @@ +From e724879d964d774df9b7969fc846605aa1bac54c Mon Sep 17 00:00:00 2001 +From: Daniel Veillard +Date: Fri, 30 Oct 2015 21:14:55 +0800 +Subject: [PATCH] Fix parsing short unclosed comment uninitialized access + +For https://bugzilla.gnome.org/show_bug.cgi?id=746048 +The HTML parser was too optimistic when processing comments and +didn't check for the end of the stream on the first 2 characters +--- + HTMLparser.c | 21 ++++++++++++++------- + 1 file changed, 14 insertions(+), 7 deletions(-) + +diff --git a/HTMLparser.c b/HTMLparser.c +index 19c10c3..bdf7807 100644 +--- a/HTMLparser.c ++++ b/HTMLparser.c +@@ -3264,12 +3264,17 @@ htmlParseComment(htmlParserCtxtPtr ctxt) { + ctxt->instate = state; + return; + } ++ len = 0; ++ buf[len] = 0; + q = CUR_CHAR(ql); ++ if (!IS_CHAR(q)) ++ goto unfinished; + NEXTL(ql); + r = CUR_CHAR(rl); ++ if (!IS_CHAR(r)) ++ goto unfinished; + NEXTL(rl); + cur = CUR_CHAR(l); +- len = 0; + while (IS_CHAR(cur) && + ((cur != '>') || + (r != '-') || (q != '-'))) { +@@ -3300,18 +3305,20 @@ htmlParseComment(htmlParserCtxtPtr ctxt) { + } + } + buf[len] = 0; +- if (!IS_CHAR(cur)) { +- htmlParseErr(ctxt, XML_ERR_COMMENT_NOT_FINISHED, +- "Comment not terminated \n