CVE-2016-3977: Buffer Overflow
First published: Mon Apr 11 2016(Updated: )
A heap buffer overflow vulnerability was found in giflib. A maliciously crafted gif file could cause the application to crash. External references: <a href="https://sourceforge.net/p/giflib/bugs/87/">https://sourceforge.net/p/giflib/bugs/87/</a> Upstream fix: <a href="https://sourceforge.net/p/giflib/code/ci/ea8dbc5786862a3e16a5acfa3d24e2c2f608cd88/">https://sourceforge.net/p/giflib/code/ci/ea8dbc5786862a3e16a5acfa3d24e2c2f608cd88/</a> References: <a href="http://bugs.fi/2016-03-gif2rgb.txt">http://bugs.fi/2016-03-gif2rgb.txt</a> <a href="http://bugs.fi/media/afl/giflib/1.gif">http://bugs.fi/media/afl/giflib/1.gif</a>
Credit: cve@mitre.org cve@mitre.org
| Affected Software | Affected Version | How to fix |
|---|---|---|
| openSUSE openSUSE | =13.2 | |
| GifLib Project GifLib | <=5.1.2 | |
| debian/giflib | 5.1.9-2 5.2.1-2.5 5.2.2-1 |
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Reference Links
- http://bugs.fi/fuzzing/index.html
- https://bugzilla.redhat.com/show_bug.cgi?id=1325771
- https://sourceforge.net/p/giflib/bugs/87/
- https://sourceforge.net/p/giflib/code/ci/ea8dbc5786862a3e16a5acfa3d24e2c2f608cd88/
- http://lists.opensuse.org/opensuse-updates/2016-04/msg00079.html
- http://www.securityfocus.com/bid/88103
- http://lists.opensuse.org/opensuse-updates/2016-05/msg00019.html
- http://lists.opensuse.org/opensuse-updates/2016-04/msg00084.html
- https://usn.ubuntu.com/4107-1/
- https://launchpad.net/bugs/cve/CVE-2016-3977
- http://bugs.fi/2016-03-gif2rgb.txt
- http://bugs.fi/media/afl/giflib/1.gif
- https://bugzilla.redhat.com/show_bug.cgi/show_bug.cgi?id=1325772
- https://access.redhat.com/security/updates/classification/
- https://security-tracker.debian.org/tracker/CVE-2016-3977
- https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2016-3977
- https://nvd.nist.gov/vuln/detail/CVE-2016-3977
- https://ubuntu.com/security/CVE-2016-3977
Frequently Asked Questions
What is CVE-2016-3977?
CVE-2016-3977 is a vulnerability in gif2rgb in giflib 5.1.2 that allows remote attackers to cause a denial of service (application crash) via a heap-based buffer overflow in the background color index in a GIF file.
What is the severity of CVE-2016-3977?
The severity of CVE-2016-3977 is medium, with a severity rating of 5.5.
How does CVE-2016-3977 affect giflib?
CVE-2016-3977 affects giflib versions 5.1.2 up to exclusive 5.1.4-2ubuntu0.1, 5.1.4-3, 5.1.4-3+deb10u1, 5.1.9-2, and 5.2.1-2.5.
How can I fix the CVE-2016-3977 vulnerability on Ubuntu?
To fix the CVE-2016-3977 vulnerability on Ubuntu, update the giflib package to version 5.1.4-2ubuntu0.1 or higher.
Where can I find more information about CVE-2016-3977?
You can find more information about CVE-2016-3977 at the following references: [CVE-2016-3977](https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2016-3977), [Ubuntu Security Notice USN-4107-1](https://ubuntu.com/security/notices/USN-4107-1), [NVD Vulnerability Detail CVE-2016-3977](https://nvd.nist.gov/vuln/detail/CVE-2016-3977).
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