Heap-based buffer overflow in libpng - CVE-2014-9495
Published: January 10, 2015 / Updated: July 28, 2020
Vulnerability identifier: #VU32449
CSH Severity: High
CVSS v4.0: 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/E:U/U:Amber
CVE-ID: CVE-2014-9495
CWE-ID: CWE-122
Exploitation vector: Remote access
Exploit availability:
No public exploit available
Vendor: libpng
Affected software:
libpng
libpng
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 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.
How to mitigate CVE-2014-9495
Update to version 1.5.21.
Sources
- http://lists.apple.com/archives/security-announce/2016/Mar/msg00004.html
- http://secunia.com/advisories/62725
- http://sourceforge.net/p/png-mng/mailman/message/33172831/
- http://sourceforge.net/p/png-mng/mailman/message/33173461/
- http://www.openwall.com/lists/oss-security/2015/01/04/3
- http://www.openwall.com/lists/oss-security/2015/01/10/1
- http://www.openwall.com/lists/oss-security/2015/01/10/3
- http://www.oracle.com/technetwork/topics/security/bulletinjul2015-2511963.html
- http://www.securityfocus.com/bid/71820
- http://www.securitytracker.com/id/1031444
- https://support.apple.com/HT206167