Heap-based buffer overflow in libpng - CVE-2014-9495

 

Heap-based buffer overflow in libpng - CVE-2014-9495

Published: January 10, 2015 / Updated: July 28, 2020


Vulnerability identifier: #VU32449
CSH Severity: High
CVSS v4: 9.3 [CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N]
CVE-ID: CVE-2014-9495
CWE-ID: CWE-122
Exploitation vector: Remote access
Exploit availability: No public exploit available

Vulnerability details

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

The vulnerability exists due to a boundary error when processing data within the png_combine_row function in libpng before 1.5.21 and 1.6.x before 1.6.16, when running on 64-bit systems. A remote attacker can pass a specially crafted file to the affected application, 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.


Affected software

libpng
Gentoo Linux
Fedora
SUSE Linux
libpng (Alpine package)
libpng10

How to mitigate CVE-2014-9495

Update to version 1.5.21.

libpng - update to 1.5.21
libpng (Alpine package) - update to 1.5.21-r0
libpng10 - addressed in versions 1.0.63-1.el6, 1.0.63-1.fc21, 1.0.63-1.fc22

External References

Related Security Bulletins