Heap-based buffer overflow in Zlib - CVE-2022-42800

 

Heap-based buffer overflow in Zlib - CVE-2022-42800

Published: October 27, 2022 / Updated: October 23, 2023


Vulnerability identifier: #VU68812
CSH Severity: High
CVSSv4.0: CVSS:4.0/AV:N/AC:L/AT:P/PR:N/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:U/U:Amber
CVE-ID: CVE-2022-42800
CWE-ID: CWE-122
Exploitation vector: Remote access
Exploit availability: No public exploit available
Vulnerable software:
Zlib
Software vendor:
GNU

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 gzip files. 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.



Remediation

Install update from vendor's website.

External links