diff options
Diffstat (limited to 'meta/recipes-multimedia/libvorbis/libvorbis/CVE-2017-14633.patch')
| -rw-r--r-- | meta/recipes-multimedia/libvorbis/libvorbis/CVE-2017-14633.patch | 42 |
1 files changed, 42 insertions, 0 deletions
diff --git a/meta/recipes-multimedia/libvorbis/libvorbis/CVE-2017-14633.patch b/meta/recipes-multimedia/libvorbis/libvorbis/CVE-2017-14633.patch new file mode 100644 index 0000000000..9c9e688d43 --- /dev/null +++ b/meta/recipes-multimedia/libvorbis/libvorbis/CVE-2017-14633.patch @@ -0,0 +1,42 @@ +From 07eda55f336e5c44dfc0e4a1e21628faed7255fa 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. + +Upstream-Status: Backport +CVE: CVE-2017-14633 + +Reference to upstream patch: +https://git.xiph.org/?p=vorbis.git;a=commitdiff;h=667ceb4aab60c1f74060143bb24e5f427b3cce5f + +Signed-off-by: Tanu Kaskinen <tanuk@iki.fi> +--- + lib/info.c | 2 +- + 1 file changed, 1 insertion(+), 1 deletion(-) + +diff --git a/lib/info.c b/lib/info.c +index e447a0c..81b7557 100644 +--- a/lib/info.c ++++ b/lib/info.c +@@ -583,7 +583,7 @@ 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; + } +-- +2.16.2 + |