Stack-based buffer overflow in libgd

1) Stack-based buffer overflow

EUVDB-ID: #VU33067

Risk: High

CVSSv3.1: 7.9 [AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:H/E:U/RL:O/RC:C]

CVE-ID: CVE-2016-5116

CWE-ID: CWE-121 - Stack-based buffer overflow

Exploit availability: No

Description

The vulnerability allows a remote attacker to execute arbitrary code on the target system.

The vulnerability exists due to a boundary error when processing a long name. A remote unauthenticated attacker can trigger stack-based buffer overflow and execute arbitrary code on the target system.

Successful exploitation of this vulnerability may result in complete compromise of vulnerable system.

Mitigation

Update to version 2.2.0.

Vulnerable software versions

libgd: 2.0.0 - 2.1.1

External links

http://lists.opensuse.org/opensuse-updates/2016-09/msg00078.html
http://www.debian.org/security/2016/dsa-3619
http://www.openwall.com/lists/oss-security/2016/05/29/5
http://www.ubuntu.com/usn/USN-3030-1
http://github.com/libgd/libgd/commit/4dc1a2d7931017d3625f2d7cff70a17ce58b53b4
http://github.com/libgd/libgd/issues/211

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.