SB2004112302 - A denial of service via a crafted SSL/TLS handshake in OpenSSL



SB2004112302 - A denial of service via a crafted SSL/TLS handshake in OpenSSL

Published: November 23, 2004 Updated: August 2, 2016

Security Bulletin ID SB2004112302
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) A denial of service via a crafted SSL/TLS handshake (CVE-ID: CVE-2004-0079)

The vulnerability allows a remote attacker to denial of service.

The vulnerability exists due to the do_change_cipher_spec function in OpenSSL. A remote unauthenticated attacker can cause a denial of service (crash) via a crafted SSL/TLS handshake that triggers a null dereference.

Successful exploitation of this vulnerability may result in denial of service.


Remediation

Install update from vendor's website.