Bug 1395767 (CVE-2016-9445) - CVE-2016-9445 gstreamer-plugins-bad-free: Integer overflow when allocating render buffer in VMnc decoder
Summary: CVE-2016-9445 gstreamer-plugins-bad-free: Integer overflow when allocating re...
Keywords:
Status: CLOSED ERRATA
Alias: CVE-2016-9445
Product: Security Response
Classification: Other
Component: vulnerability
Version: unspecified
Hardware: All
OS: Linux
medium
medium
Target Milestone: ---
Assignee: Red Hat Product Security
QA Contact:
URL:
Whiteboard:
: 1396196 (view as bug list)
Depends On: 1395768 1395769 1395770 1395771 1395772 1399070 1400820 1400821 1400838 1400839 1400897 1400898 1400910
Blocks: 1395773
TreeView+ depends on / blocked
 
Reported: 2016-11-16 15:56 UTC by Adam Mariš
Modified: 2021-02-17 03:02 UTC (History)
22 users (show)

Fixed In Version:
Doc Type: If docs needed, set a value
Doc Text:
An integer overflow flaw, leading to a heap-based buffer overflow, was found in GStreamer's VMware VMnc video file format decoding plug-in. A remote attacker could use this flaw to cause an application using GStreamer to crash or, potentially, execute arbitrary code with the privileges of the user running the application.
Clone Of:
Environment:
Last Closed: 2019-06-08 03:02:09 UTC
Embargoed:

Attachments (Terms of Use)


Links
System ID Private Priority Status Summary Last Updated
Red Hat Product Errata RHSA-2016:2974 0 normal SHIPPED_LIVE Important: gstreamer-plugins-bad-free security update 2016-12-21 17:13:11 UTC
Red Hat Product Errata RHSA-2017:0018 0 normal SHIPPED_LIVE Moderate: gstreamer-plugins-bad-free security update 2017-01-05 14:15:14 UTC
Red Hat Product Errata RHSA-2017:0021 0 normal SHIPPED_LIVE Moderate: gstreamer1-plugins-bad-free security update 2017-01-05 15:05:27 UTC

Description Adam Mariš 2016-11-16 15:56:00 UTC 
An integer overflow vulnerability was found when allocating render buffer in vmnc decoder that results into heap buffer overflow.

External References:

https://scarybeastsecurity.blogspot.com/2016/11/0day-poc-risky-design-decisions-in.html?m=1
Comment 1 Adam Mariš 2016-11-16 15:57:09 UTC 
Created mingw-gstreamer1 tracking bugs for this issue:

Affects: fedora-all [bug 1395771]
Affects: epel-7 [bug 1395772]
Comment 2 Adam Mariš 2016-11-16 15:57:29 UTC 
Created gstreamer tracking bugs for this issue:

Affects: fedora-all [bug 1395768]
Comment 3 Adam Mariš 2016-11-16 15:57:42 UTC 
Created mingw-gstreamer tracking bugs for this issue:

Affects: fedora-all [bug 1395770]
Comment 4 Adam Mariš 2016-11-16 15:57:54 UTC 
Created gstreamer1 tracking bugs for this issue:

Affects: fedora-all [bug 1395769]
Comment 5 Andrej Nemec 2016-11-21 07:48:28 UTC 
*** Bug 1396196 has been marked as a duplicate of this bug. ***
Comment 6 Adam Mariš 2016-11-21 10:47:39 UTC 
Upstream patch:

https://cgit.freedesktop.org/gstreamer/gst-plugins-bad/commit/gst/vmnc/vmncdec.c?id=4cb1bcf1422bbcd79c0f683edb7ee85e3f7a31fe

CVE assignment:

http://openwall.com/lists/oss-security/2016/11/18/13
Comment 7 Dhiru Kholia 2016-11-28 08:30:50 UTC 
Mitigation:

This mitigation is only required if vulnerable gstreamer-plugins-bad-free and/or gstreamer1-plugins-bad-free packages are installed.

For RHEL 7,

sudo rm /usr/lib*/gstreamer-1.0/libgstvmnc.so
sudo rm /usr/lib*/gstreamer-0.10/libgstvmnc.so

For RHEL 6,

sudo rm /usr/lib*/gstreamer-0.10/libgstvmnc.so

Please note that this mitigation deletes the vulnerable VMware NC decoder, which removes the functionality to play VMware movie files.
Comment 10 Dhiru Kholia 2016-11-28 08:46:30 UTC 
Created gstreamer1-plugins-bad-free tracking bugs for this issue:

Affects: fedora-all [bug 1399070]
Comment 11 Wim Taymans 2016-11-28 11:40:57 UTC 
Updates to gstreamer1-plugins-bad-free:

f24: https://bodhi.fedoraproject.org/updates/FEDORA-2016-c4004fe99e
f25: https://bodhi.fedoraproject.org/updates/FEDORA-2016-a82e35272c
Comment 15 Dhiru Kholia 2016-12-02 09:37:38 UTC 
Created gstreamer-plugins-bad-free tracking bugs for this issue:

Affects: fedora-all [bug 1400910]
Comment 18 errata-xmlrpc 2016-12-21 12:13:37 UTC 
This issue has been addressed in the following products:

  Red Hat Enterprise Linux 6

Via RHSA-2016:2974 https://rhn.redhat.com/errata/RHSA-2016-2974.html
Comment 19 errata-xmlrpc 2017-01-05 09:15:44 UTC 
This issue has been addressed in the following products:

  Red Hat Enterprise Linux 7

Via RHSA-2017:0018 https://rhn.redhat.com/errata/RHSA-2017-0018.html
Comment 20 errata-xmlrpc 2017-01-05 10:05:46 UTC 
This issue has been addressed in the following products:

  Red Hat Enterprise Linux 7

Via RHSA-2017:0021 https://rhn.redhat.com/errata/RHSA-2017-0021.html
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