Buffer overflow in libpng - CVE-2018-14048

 

Buffer overflow in libpng - CVE-2018-14048

Published: April 18, 2019


Vulnerability identifier: #VU18304
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-2018-14048
CWE-ID: CWE-119
Exploitation vector: Remote access
Exploit availability: No public exploit available
Vendor: libpng
Affected software:
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 images within the png_free_data() function in png.c. A remote attacker can create a specially crafted image, pass it to the affected application, trigger memory corruption 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-2018-14048

Install updates from vendor's website.

Sources