Integer underflow in Wazuh - CVE-2023-42463

 

Integer underflow in Wazuh - CVE-2023-42463

Published: February 12, 2024


Vulnerability identifier: #VU86339
CSH Severity: Low
CVSS v4.0: CVSS:4.0/AV:L/AC:L/AT:P/PR:N/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:U/U:Clear
CVE-ID: CVE-2023-42463
CWE-ID: CWE-191
Exploitation vector: Local access
Exploit availability: No public exploit available
Vendor: Wazuh
Affected software:
Wazuh

Detailed vulnerability description

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

The vulnerability exists due to integer underflow within the processing of the multilines log format. A local attacker can send a specially crafted request to the affected application, trigger integer underflow and execute arbitrary code on the target system with elevated privileges.

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


How to mitigate CVE-2023-42463

Install updates from vendor's website.

Sources