diff options
| -rw-r--r-- | gnu/local.mk | 1 | ||||
| -rw-r--r-- | gnu/packages/musl.scm | 5 | ||||
| -rw-r--r-- | gnu/packages/patches/musl-CVE-2016-8859.patch | 81 |
3 files changed, 2 insertions, 85 deletions
diff --git a/gnu/local.mk b/gnu/local.mk index 45adc73f20..fd4f1bed97 100644 --- a/gnu/local.mk +++ b/gnu/local.mk @@ -879,7 +879,6 @@ dist_patch_DATA = \ %D%/packages/patches/mupdf-build-with-openjpeg-2.1.patch \ %D%/packages/patches/mupdf-CVE-2017-15587.patch \ %D%/packages/patches/mupen64plus-ui-console-notice.patch \ - %D%/packages/patches/musl-CVE-2016-8859.patch \ %D%/packages/patches/mutt-store-references.patch \ %D%/packages/patches/ncurses-CVE-2017-10684-10685.patch \ %D%/packages/patches/net-tools-bitrot.patch \ diff --git a/gnu/packages/musl.scm b/gnu/packages/musl.scm index 321290872e..dbb8c4856f 100644 --- a/gnu/packages/musl.scm +++ b/gnu/packages/musl.scm @@ -27,15 +27,14 @@ (define-public musl (package (name "musl") - (version "1.1.15") + (version "1.1.17") (source (origin (method url-fetch) (uri (string-append "http://www.musl-libc.org/releases/" name "-" version ".tar.gz")) - (patches (search-patches "musl-CVE-2016-8859.patch")) (sha256 (base32 - "1ymhxkskivzph0q34zadwfglc5gyahqajm7chqqn2zraxv3lgr4p")))) + "0r0lyp2w6v2bvm8h1si7w3p2qx037szl14qnxm5p00568z3m3an8")))) (build-system gnu-build-system) (arguments `(#:tests? #f ; Musl has no tests diff --git a/gnu/packages/patches/musl-CVE-2016-8859.patch b/gnu/packages/patches/musl-CVE-2016-8859.patch deleted file mode 100644 index 7bb5b892dd..0000000000 --- a/gnu/packages/patches/musl-CVE-2016-8859.patch +++ /dev/null @@ -1,81 +0,0 @@ -Fix CVE-2016-8859: - -https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2016-8859 - -Patch copied from upstream source repository: - -http://git.musl-libc.org/cgit/musl/commit/?id=c3edc06d1e1360f3570db9155d6b318ae0d0f0f7 - -From c3edc06d1e1360f3570db9155d6b318ae0d0f0f7 Mon Sep 17 00:00:00 2001 -From: Rich Felker <dalias@aerifal.cx> -Date: Thu, 6 Oct 2016 18:34:58 -0400 -Subject: [PATCH] fix missing integer overflow checks in regexec buffer size - computations - -most of the possible overflows were already ruled out in practice by -regcomp having already succeeded performing larger allocations. -however at least the num_states*num_tags multiplication can clearly -overflow in practice. for safety, check them all, and use the proper -type, size_t, rather than int. - -also improve comments, use calloc in place of malloc+memset, and -remove bogus casts. ---- - src/regex/regexec.c | 23 ++++++++++++++++++----- - 1 file changed, 18 insertions(+), 5 deletions(-) - -diff --git a/src/regex/regexec.c b/src/regex/regexec.c -index 16c5d0a..dd52319 100644 ---- a/src/regex/regexec.c -+++ b/src/regex/regexec.c -@@ -34,6 +34,7 @@ - #include <wchar.h> - #include <wctype.h> - #include <limits.h> -+#include <stdint.h> - - #include <regex.h> - -@@ -206,11 +207,24 @@ tre_tnfa_run_parallel(const tre_tnfa_t *tnfa, const void *string, - - /* Allocate memory for temporary data required for matching. This needs to - be done for every matching operation to be thread safe. This allocates -- everything in a single large block from the stack frame using alloca() -- or with malloc() if alloca is unavailable. */ -+ everything in a single large block with calloc(). */ - { -- int tbytes, rbytes, pbytes, xbytes, total_bytes; -+ size_t tbytes, rbytes, pbytes, xbytes, total_bytes; - char *tmp_buf; -+ -+ /* Ensure that tbytes and xbytes*num_states cannot overflow, and that -+ * they don't contribute more than 1/8 of SIZE_MAX to total_bytes. */ -+ if (num_tags > SIZE_MAX/(8 * sizeof(int) * tnfa->num_states)) -+ goto error_exit; -+ -+ /* Likewise check rbytes. */ -+ if (tnfa->num_states+1 > SIZE_MAX/(8 * sizeof(*reach_next))) -+ goto error_exit; -+ -+ /* Likewise check pbytes. */ -+ if (tnfa->num_states > SIZE_MAX/(8 * sizeof(*reach_pos))) -+ goto error_exit; -+ - /* Compute the length of the block we need. */ - tbytes = sizeof(*tmp_tags) * num_tags; - rbytes = sizeof(*reach_next) * (tnfa->num_states + 1); -@@ -221,10 +235,9 @@ tre_tnfa_run_parallel(const tre_tnfa_t *tnfa, const void *string, - + (rbytes + xbytes * tnfa->num_states) * 2 + tbytes + pbytes; - - /* Allocate the memory. */ -- buf = xmalloc((unsigned)total_bytes); -+ buf = calloc(total_bytes, 1); - if (buf == NULL) - return REG_ESPACE; -- memset(buf, 0, (size_t)total_bytes); - - /* Get the various pointers within tmp_buf (properly aligned). */ - tmp_tags = (void *)buf; --- -2.10.1 - |