diff options
| author | Leo Famulari <leo@famulari.name> | 2017-04-24 01:03:34 -0400 |
|---|---|---|
| committer | Leo Famulari <leo@famulari.name> | 2017-04-24 01:10:23 -0400 |
| commit | 43acfcb2c77fd9d8b08e3e4366248bdc20c998e9 (patch) | |
| tree | e2040e002bc0cbed1e84eb0faf11e219c80049d4 /gnu/packages/patches/libcroco-CVE-2017-7960.patch | |
| parent | 638787307e30c96aa3864a4b6d822da06fca6688 (diff) | |
| download | guix-43acfcb2c77fd9d8b08e3e4366248bdc20c998e9.tar guix-43acfcb2c77fd9d8b08e3e4366248bdc20c998e9.tar.gz | |
libcroco: Fix CVE-2017-{7960,7961}.
* gnu/packages/gnome.scm (libcroco)[replacement]: New field.
(libcroco/fixed): New variable.
* gnu/packages/patches/libcroco-CVE-2017-7960.patch,
gnu/packages/patches/libcroco-CVE-2017-7961.patch: New files.
* gnu/local.mk (dist_patch_DATA): Add them.
Diffstat (limited to 'gnu/packages/patches/libcroco-CVE-2017-7960.patch')
| -rw-r--r-- | gnu/packages/patches/libcroco-CVE-2017-7960.patch | 66 |
1 files changed, 66 insertions, 0 deletions
diff --git a/gnu/packages/patches/libcroco-CVE-2017-7960.patch b/gnu/packages/patches/libcroco-CVE-2017-7960.patch new file mode 100644 index 0000000000..0319c7389f --- /dev/null +++ b/gnu/packages/patches/libcroco-CVE-2017-7960.patch @@ -0,0 +1,66 @@ +Fix CVE-2017-7960: + +https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2017-7960 + +Patch copied from upstream source repository: + +https://git.gnome.org/browse/libcroco/commit/?id=898e3a8c8c0314d2e6b106809a8e3e93cf9d4394 + +From 898e3a8c8c0314d2e6b106809a8e3e93cf9d4394 Mon Sep 17 00:00:00 2001 +From: Ignacio Casal Quinteiro <qignacio@amazon.com> +Date: Sun, 16 Apr 2017 13:13:43 +0200 +Subject: input: check end of input before reading a byte + +When reading bytes we weren't check that the index wasn't +out of bound and this could produce an invalid read which +could deal to a security bug. +--- + src/cr-input.c | 11 +++++++++-- + 1 file changed, 9 insertions(+), 2 deletions(-) + +diff --git a/src/cr-input.c b/src/cr-input.c +index 49000b1..3b63a88 100644 +--- a/src/cr-input.c ++++ b/src/cr-input.c +@@ -256,7 +256,7 @@ cr_input_new_from_uri (const gchar * a_file_uri, enum CREncoding a_enc) + *we should free buf here because it's own by CRInput. + *(see the last parameter of cr_input_new_from_buf(). + */ +- buf = NULL ; ++ buf = NULL; + } + + cleanup: +@@ -404,6 +404,8 @@ cr_input_get_nb_bytes_left (CRInput const * a_this) + enum CRStatus + cr_input_read_byte (CRInput * a_this, guchar * a_byte) + { ++ gulong nb_bytes_left = 0; ++ + g_return_val_if_fail (a_this && PRIVATE (a_this) + && a_byte, CR_BAD_PARAM_ERROR); + +@@ -413,6 +415,12 @@ cr_input_read_byte (CRInput * a_this, guchar * a_byte) + if (PRIVATE (a_this)->end_of_input == TRUE) + return CR_END_OF_INPUT_ERROR; + ++ nb_bytes_left = cr_input_get_nb_bytes_left (a_this); ++ ++ if (nb_bytes_left < 1) { ++ return CR_END_OF_INPUT_ERROR; ++ } ++ + *a_byte = PRIVATE (a_this)->in_buf[PRIVATE (a_this)->next_byte_index]; + + if (PRIVATE (a_this)->nb_bytes - +@@ -477,7 +485,6 @@ cr_input_read_char (CRInput * a_this, guint32 * a_char) + if (*a_char == '\n') { + PRIVATE (a_this)->end_of_line = TRUE; + } +- + } + + return status; +-- +cgit v0.12 + |