Risk | High |
Patch available | YES |
Number of vulnerabilities | 1 |
CVE-ID | CVE-2016-3977 |
CWE-ID | CWE-122 |
Exploitation vector | Network |
Public exploit | N/A |
Vulnerable software Subscribe |
GIFLIB Client/Desktop applications / Multimedia software |
Vendor | GIFLIB Project |
Security Bulletin
This security bulletin contains one high risk vulnerability.
EUVDB-ID: #VU20920
Risk: High
CVSSv3.1: 7.1 [CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:H/A:H/E:U/RL:O/RC:C]
CVE-ID: CVE-2016-3977
CWE-ID:
CWE-122 - Heap-based Buffer Overflow
Exploit availability: No
DescriptionThe vulnerability allows a remote attacker to execute arbitrary code on the target system.
The vulnerability exists due to a boundary error within the gif2rgb() function (util/gif2rgb.c) in giflib 5.1.2. A remote attacker can use background color index in a GIF file to trigger heap-based buffer overflow and execute arbitrary code on the target system.
Successful exploitation of this vulnerability may result in complete compromise of vulnerable system.
MitigationInstall update from vendor's website.
Vulnerable software versionsGIFLIB: 5.1.0 - 5.1.2
External linkshttp://bugs.fi/fuzzing/index.html
http://lists.opensuse.org/opensuse-updates/2016-04/msg00079.html
http://lists.opensuse.org/opensuse-updates/2016-04/msg00084.html
http://lists.opensuse.org/opensuse-updates/2016-05/msg00019.html
http://www.securityfocus.com/bid/88103
http://bugzilla.redhat.com/show_bug.cgi?id=1325771
http://sourceforge.net/p/giflib/bugs/87/
http://sourceforge.net/p/giflib/code/ci/ea8dbc5786862a3e16a5acfa3d24e2c2f608cd88/
Q & A
Can this vulnerability be exploited remotely?
Yes. This vulnerability can be exploited by a remote non-authenticated attacker via the Internet.
Is there known malware, which exploits this vulnerability?
No. We are not aware of malware exploiting this vulnerability.