Heap-based buffer overflow in libgd - CVE-2016-5767

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Main Vulnerability Database Vulnerabilities #VU32250

Heap-based buffer overflow in libgd - CVE-2016-5767

Published: August 7, 2016 / Updated: July 28, 2020


Vulnerability identifier: #VU32250
CSH Severity: High
CVSS v4.0: CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:A/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:U/U:Amber
CVE-ID: CVE-2016-5767
CWE-ID: CWE-122
Exploitation vector: Remote access
Exploit availability: No public exploit available
Vendor: GD Software
Affected software:
libgd

Detailed vulnerability description

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

The vulnerability exists due to a boundary error in Integer overflow in the gdImageCreate function in gd.c in the GD Graphics Library (aka libgd) before 2.0.34RC1, as used in PHP before 5.5.37, 5.6.x before 5.6.23, and 7.x before 7.0.8,. A remote attacker can use a crafted image dimensions. 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.


How to mitigate CVE-2016-5767

Update to version 2.0.34RC1.

Sources