Zero-day vulnerability in Lhaz

Buffer overflow

Known malware:


Vulnerability details

Advisory: SB2007081701 - Remote code execution when handling ZIP files in Lhaz

Vulnerable component: Lhaz

CVE-ID: CVE-2007-4428

CVSSv3 score: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:H/I:H/A:H/E:F/RL:O/RC:C

CWE-ID: CWE-119 - Memory corruption


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

The vulnerability exists due to boundary error when processing ZIP files. A remote attacker can create a specially crafted .zip archive, trick the victim into opening it, cause buffer overflow and execute arbitrary code with privileges of the current user.

Successful exploitation of the vulnerability results in compromise of vulnerable system.

Note: this vulnerability is being actively exploited.

External links: