Buffer overflow in libgd - CVE-2016-6207
Published: August 12, 2016 / Updated: July 28, 2020
Vulnerability identifier: #VU32249
CSH Severity: Medium
CVSS v4.0: CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:A/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N/E:U/U:Green
CVE-ID: CVE-2016-6207
CWE-ID: CWE-119
Exploitation vector: Remote access
Exploit availability:
No public exploit available
Vendor: GD Software
Affected software:
libgd
libgd
Detailed vulnerability description
The vulnerability allows a remote non-authenticated attacker to perform a denial of service (DoS) attack.
Integer overflow in the _gdContributionsAlloc function in gd_interpolation.c in GD Graphics Library (aka libgd) before 2.2.3 allows remote attackers to cause a denial of service (out-of-bounds memory write or memory consumption) via unspecified vectors.
How to mitigate CVE-2016-6207
Install update from vendor's website.
Sources
- http://lists.opensuse.org/opensuse-updates/2016-08/msg00086.html
- http://lists.opensuse.org/opensuse-updates/2016-09/msg00078.html
- http://packetstormsecurity.com/files/138174/LibGD-2.2.2-Integer-Overflow-Denial-Of-Service.html
- http://rhn.redhat.com/errata/RHSA-2016-2750.html
- http://www.debian.org/security/2016/dsa-3630
- http://www.securityfocus.com/archive/1/539100/100/0/threaded
- http://www.securityfocus.com/bid/92080
- http://www.securitytracker.com/id/1036535
- http://www.ubuntu.com/usn/USN-3060-1
- https://bugs.php.net/bug.php?id=72558
- https://libgd.github.io/release-2.2.3.html
- https://secunia.com/secunia_research/2016-9/
- https://security.gentoo.org/glsa/201612-09