diff options
| author |   Tanu Kaskinen <tanuk@iki.fi> | 2018-03-31 08:24:26 +0300 |
|---|---|---|
| committer |   Richard Purdie <richard.purdie@linuxfoundation.org> | 2018-04-05 15:11:16 +0100 |
| commit | a7f1fa651620b98c211459e80e5d9608ce8f1866 (patch) | |
| tree | 2819a64909b9db257a85bc2d9131dfd02e19498c /meta/recipes-multimedia/libvorbis/libvorbis/CVE-2017-14633.patch | |
| parent | c8ffc0a4456065479240de18e6080e90a7ee85c1 (diff) | |
| download | openembedded-core-a7f1fa651620b98c211459e80e5d9608ce8f1866.tar.gz | |
libvorbis: CVE-2017-14633
In Xiph.Org libvorbis 1.3.5, an out-of-bounds array read vulnerability
exists in the function mapping0_forward() in mapping0.c, which may lead
to DoS when operating on a crafted audio file with vorbis_analysis().
References:
https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2017-14633
(From OE-Core rev: f398fb04549577922e6265c0969c6d6c35a11e7c)
Signed-off-by: Tanu Kaskinen <tanuk@iki.fi>
Signed-off-by: Richard Purdie <richard.purdie@linuxfoundation.org>
Signed-off-by: Armin Kuster <akuster808@gmail.com>
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 + |