diff options
| author | Ludovic Courtès <ludo@gnu.org> | 2017-04-10 15:35:24 +0200 |
|---|---|---|
| committer | Ludovic Courtès <ludo@gnu.org> | 2017-04-10 23:54:46 +0200 |
| commit | a97f0ee1368499dc40ea30002fcb6e06c7880acb (patch) | |
| tree | 904c7746bbbf4b98a8588bdb2cc6794f561fb085 /gnu/packages | |
| parent | 18d0cec29e22cdbc27c486129d1a1425de27f03f (diff) | |
| download | guix-a97f0ee1368499dc40ea30002fcb6e06c7880acb.tar.gz | |
gnu: pcre: Patch CVE-2017-7186.
* gnu/packages/patches/pcre-CVE-2017-7186.patch: New file. * gnu/local.mk (dist_patch_DATA): Add it. * gnu/packages/pcre.scm (pcre)[replacement]: New field. (pcre/fixed): New variable.
Diffstat (limited to 'gnu/packages')
| -rw-r--r-- | gnu/packages/patches/pcre-CVE-2017-7186.patch | 56 | ||||
| -rw-r--r-- | gnu/packages/pcre.scm | 10 |
2 files changed, 66 insertions, 0 deletions
diff --git a/gnu/packages/patches/pcre-CVE-2017-7186.patch b/gnu/packages/patches/pcre-CVE-2017-7186.patch new file mode 100644 index 0000000000..d23aa10374 --- /dev/null +++ b/gnu/packages/patches/pcre-CVE-2017-7186.patch @@ -0,0 +1,56 @@ +Patch for <https://nvd.nist.gov/vuln/detail?vulnId=CVE-2017-7186> +from <https://vcs.pcre.org/pcre?view=revision&revision=1688>. + +--- trunk/pcre_internal.h 2016/05/21 13:34:44 1649 ++++ trunk/pcre_internal.h 2017/02/24 17:30:30 1688 +@@ -2772,6 +2772,9 @@ + extern const pcre_uint16 PRIV(ucd_stage2)[]; + extern const pcre_uint32 PRIV(ucp_gentype)[]; + extern const pcre_uint32 PRIV(ucp_gbtable)[]; ++#ifdef COMPILE_PCRE32 ++extern const ucd_record PRIV(dummy_ucd_record)[]; ++#endif + #ifdef SUPPORT_JIT + extern const int PRIV(ucp_typerange)[]; + #endif +@@ -2780,9 +2783,15 @@ + /* 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]) ++ ++#ifdef COMPILE_PCRE32 ++#define GET_UCD(ch) ((ch > 0x10ffff)? 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 + +--- trunk/pcre_ucd.c 2014/06/19 07:51:39 1490 ++++ trunk/pcre_ucd.c 2017/02/24 17:30:30 1688 +@@ -38,6 +38,20 @@ + const pcre_uint32 PRIV(ucd_caseless_sets)[] = {0}; + #else + ++/* 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. */ ++ ++#ifdef COMPILE_PCRE32 ++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 pcre_internal.h (the actual + field names will be different): diff --git a/gnu/packages/pcre.scm b/gnu/packages/pcre.scm index 9f610e59fd..1946f5229c 100644 --- a/gnu/packages/pcre.scm +++ b/gnu/packages/pcre.scm @@ -4,6 +4,7 @@ ;;; Copyright © 2015 Ricardo Wurmus <rekado@elephly.net> ;;; Copyright © 2016 Leo Famulari <leo@famulari.name> ;;; Copyright © 2017 Marius Bakke <mbakke@fastmail.com> +;;; Copyright © 2017 Ludovic Courtès <ludo@gnu.org> ;;; ;;; This file is part of GNU Guix. ;;; @@ -33,6 +34,7 @@ (package (name "pcre") (version "8.40") + (replacement pcre/fixed) (source (origin (method url-fetch) (uri (list @@ -70,6 +72,14 @@ POSIX regular expression API.") (license license:bsd-3) (home-page "http://www.pcre.org/"))) +(define pcre/fixed + (package + (inherit pcre) + (replacement #f) + (source (origin + (inherit (package-source pcre)) + (patches (search-patches "pcre-CVE-2017-7186.patch")))))) + (define-public pcre2 (package (name "pcre2") |