#VU96992 Integer underflow in libpng - CVE-2015-8540

 

#VU96992 Integer underflow in libpng - CVE-2015-8540

Published: September 10, 2024


Vulnerability identifier: #VU96992
Vulnerability risk: High
CVSSv4.0: 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-2015-8540
CWE-ID: CWE-191
Exploitation vector: Remote access
Exploit availability: No public exploit available
Vulnerable software:
libpng
Software vendor:
libpng

Description

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

The vulnerability exists due to integer underflow within the png_check_keyword() function in pngwutil.c. A remote attacker can trick the victim to open a specially crafted PNG file, trigger an integer underflow and execute arbitrary code on the target system.

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


Remediation

Install updates from vendor's website.

External links