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| author | Ludovic Courtès <ludo@gnu.org> | 2017-04-10 15:29:28 +0200 |
|---|---|---|
| committer | Ludovic Courtès <ludo@gnu.org> | 2017-04-10 23:54:46 +0200 |
| commit | 18d0cec29e22cdbc27c486129d1a1425de27f03f (patch) | |
| tree | e716457f66f85d3a4c87d59c2e236c7f3e8958aa /gnu/packages/patches/pcre2-CVE-2017-7186.patch | |
| parent | 81eaa3f8579df42dbf0410db78b45a718fc544e7 (diff) | |
| download | guix-18d0cec29e22cdbc27c486129d1a1425de27f03f.tar guix-18d0cec29e22cdbc27c486129d1a1425de27f03f.tar.gz | |
gnu: pcre2: Patch CVE-2017-7186.
* gnu/packages/patches/pcre2-CVE-2017-7186.patch: New file.
* gnu/packages/pcre.scm (pcre2)[source]: Use it.
* gnu/local.mk (dist_patch_DATA): Add it.
Diffstat (limited to 'gnu/packages/patches/pcre2-CVE-2017-7186.patch')
| -rw-r--r-- | gnu/packages/patches/pcre2-CVE-2017-7186.patch | 68 |
1 files changed, 68 insertions, 0 deletions
diff --git a/gnu/packages/patches/pcre2-CVE-2017-7186.patch b/gnu/packages/patches/pcre2-CVE-2017-7186.patch new file mode 100644 index 0000000000..5c16955aaa --- /dev/null +++ b/gnu/packages/patches/pcre2-CVE-2017-7186.patch @@ -0,0 +1,68 @@ +Patch for <https://nvd.nist.gov/vuln/detail?vulnId=CVE-2017-7186> +taken from <https://vcs.pcre.org/pcre2?view=revision&revision=670>. + +--- trunk/src/pcre2_internal.h 2016/11/19 12:46:24 600 ++++ trunk/src/pcre2_internal.h 2017/02/24 18:25:32 670 +@@ -1774,10 +1774,17 @@ + /* UCD access macros */ + + #define UCD_BLOCK_SIZE 128 +-#define GET_UCD(ch) (PRIV(ucd_records) + \ ++#define REAL_GET_UCD(ch) (PRIV(ucd_records) + \ + PRIV(ucd_stage2)[PRIV(ucd_stage1)[(int)(ch) / UCD_BLOCK_SIZE] * \ + UCD_BLOCK_SIZE + (int)(ch) % UCD_BLOCK_SIZE]) + ++#if PCRE2_CODE_UNIT_WIDTH == 32 ++#define GET_UCD(ch) ((ch > MAX_UTF_CODE_POINT)? \ ++ PRIV(dummy_ucd_record) : REAL_GET_UCD(ch)) ++#else ++#define GET_UCD(ch) REAL_GET_UCD(ch) ++#endif ++ + #define UCD_CHARTYPE(ch) GET_UCD(ch)->chartype + #define UCD_SCRIPT(ch) GET_UCD(ch)->script + #define UCD_CATEGORY(ch) PRIV(ucp_gentype)[UCD_CHARTYPE(ch)] +@@ -1834,6 +1841,9 @@ + #define _pcre2_default_compile_context PCRE2_SUFFIX(_pcre2_default_compile_context_) + #define _pcre2_default_match_context PCRE2_SUFFIX(_pcre2_default_match_context_) + #define _pcre2_default_tables PCRE2_SUFFIX(_pcre2_default_tables_) ++#if PCRE2_CODE_UNIT_WIDTH == 32 ++#define _pcre2_dummy_ucd_record PCRE2_SUFFIX(_pcre2_dummy_ucd_record_) ++#endif + #define _pcre2_hspace_list PCRE2_SUFFIX(_pcre2_hspace_list_) + #define _pcre2_vspace_list PCRE2_SUFFIX(_pcre2_vspace_list_) + #define _pcre2_ucd_caseless_sets PCRE2_SUFFIX(_pcre2_ucd_caseless_sets_) +@@ -1858,6 +1868,9 @@ + extern const uint32_t PRIV(vspace_list)[]; + extern const uint32_t PRIV(ucd_caseless_sets)[]; + extern const ucd_record PRIV(ucd_records)[]; ++#if PCRE2_CODE_UNIT_WIDTH == 32 ++extern const ucd_record PRIV(dummy_ucd_record)[]; ++#endif + extern const uint8_t PRIV(ucd_stage1)[]; + extern const uint16_t PRIV(ucd_stage2)[]; + extern const uint32_t PRIV(ucp_gbtable)[]; + +--- trunk/src/pcre2_ucd.c 2015/07/17 15:44:51 316 ++++ trunk/src/pcre2_ucd.c 2017/02/24 18:25:32 670 +@@ -41,6 +41,20 @@ + + const char *PRIV(unicode_version) = "8.0.0"; + ++/* If the 32-bit library is run in non-32-bit mode, character values ++greater than 0x10ffff may be encountered. For these we set up a ++special record. */ ++ ++#if PCRE2_CODE_UNIT_WIDTH == 32 ++const ucd_record PRIV(dummy_ucd_record)[] = {{ ++ ucp_Common, /* script */ ++ ucp_Cn, /* type unassigned */ ++ ucp_gbOther, /* grapheme break property */ ++ 0, /* case set */ ++ 0, /* other case */ ++ }}; ++#endif ++ + /* When recompiling tables with a new Unicode version, please check the + types in this structure definition from pcre2_internal.h (the actual + field names will be different): |