diff options
Diffstat (limited to 'gnu/packages/patches/libvorbis-CVE-2017-14633.patch')
| -rw-r--r-- | gnu/packages/patches/libvorbis-CVE-2017-14633.patch | 43 |
1 files changed, 43 insertions, 0 deletions
diff --git a/gnu/packages/patches/libvorbis-CVE-2017-14633.patch b/gnu/packages/patches/libvorbis-CVE-2017-14633.patch new file mode 100644 index 0000000000..ec6bf5265c --- /dev/null +++ b/gnu/packages/patches/libvorbis-CVE-2017-14633.patch @@ -0,0 +1,43 @@ +Fix CVE-2017-14633: + +https://gitlab.xiph.org/xiph/vorbis/issues/2329 +https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2017-14633 + +Patch copied from upstream source repository: + +https://gitlab.xiph.org/xiph/vorbis/commit/a79ec216cd119069c68b8f3542c6a425a74ab993 + +From a79ec216cd119069c68b8f3542c6a425a74ab993 Mon Sep 17 00:00:00 2001 +From: =?UTF-8?q?Guido=20G=C3=BCnther?= <agx@sigxcpu.org> +Date: Tue, 31 Oct 2017 18:32:46 +0100 +Subject: [PATCH] CVE-2017-14633: Don't allow for more than 256 channels + +Otherwise + + for(i=0;i<vi->channels;i++){ + /* the encoder setup assumes that all the modes used by any + specific bitrate tweaking use the same floor */ + int submap=info->chmuxlist[i]; + +overreads later in mapping0_forward since chmuxlist is a fixed array of +256 elements max. +--- + lib/info.c | 2 +- + 1 file changed, 1 insertion(+), 1 deletion(-) + +diff --git a/lib/info.c b/lib/info.c +index fe759ed..7bc4ea4 100644 +--- a/lib/info.c ++++ b/lib/info.c +@@ -588,7 +588,7 @@ int vorbis_analysis_headerout(vorbis_dsp_state *v, + oggpack_buffer opb; + private_state *b=v->backend_state; + +- if(!b||vi->channels<=0){ ++ if(!b||vi->channels<=0||vi->channels>256){ + ret=OV_EFAULT; + goto err_out; + } +-- +2.15.1 + |