summary refs log tree commit diff
path: root/gnu/packages/patches
diff options
context:
space:
mode:
authorLudovic Courtès <ludo@gnu.org>2017-04-10 15:35:24 +0200
committerLudovic Courtès <ludo@gnu.org>2017-04-10 23:54:46 +0200
commita97f0ee1368499dc40ea30002fcb6e06c7880acb (patch)
tree904c7746bbbf4b98a8588bdb2cc6794f561fb085 /gnu/packages/patches
parent18d0cec29e22cdbc27c486129d1a1425de27f03f (diff)
downloadguix-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/patches')
-rw-r--r--gnu/packages/patches/pcre-CVE-2017-7186.patch56
1 files changed, 56 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):