SB2009051903 - Use-after-free in OpenSSL



SB2009051903 - Use-after-free in OpenSSL

Published: May 19, 2009 Updated: August 3, 2020

Security Bulletin ID SB2009051903
Severity
Medium
Patch available
YES
Number of vulnerabilities 1
Exploitation vector Remote access
Highest impact Denial of service

Breakdown by Severity

Medium 100%
  • Low
  • Medium
  • High
  • Critical

Description

This security bulletin contains information about 1 security vulnerability.


1) Use-after-free (CVE-ID: CVE-2009-1379)

The vulnerability allows a remote attacker to compromise vulnerable system.

The vulnerability exists due to a use-after-free error when processing a DTLS packet, as demonstrated by a packet from a server that uses a crafted server certificate. A remote attackers can cause a denial of service (openssl s_client crash) and possibly have unspecified other impact.

Successful exploitation of the vulnerability may allow an attacker to compromise vulnerable system.


Remediation

Install update from vendor's website.

References