Input validation error in OpenSSL - CVE-2009-3245

 

Input validation error in OpenSSL - CVE-2009-3245

Published: June 13, 2023


Vulnerability identifier: #VU77191
CSH Severity: High
CVSSv4.0: CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:U/U:Amber
CVE-ID: CVE-2009-3245
CWE-ID: CWE-20
Exploitation vector: Remote access
Exploit availability: No public exploit available
Vulnerable software:
OpenSSL
Software vendor:
OpenSSL Software Foundation

Description

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

The vulnerability exists due to OpenSSL does not check for a NULL return value from bn_wexpand function calls in (1) crypto/bn/bn_div.c, (2) crypto/bn/bn_gf2m.c, (3) crypto/ec/ec2_smpl.c, and (4) engines/e_ubsec.c. A remote attacker can pass specially crafted input to the application and execute arbitrary code on the system.


Remediation

Install updates from vendor's website.

External links