SB2003120101 - Improper input validation in OpenSSL



SB2003120101 - Improper input validation in OpenSSL

Published: December 1, 2003 Updated: November 22, 2018

Security Bulletin ID SB2003120101
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) Improper input validation (CVE-ID: CVE-2003-0851)

The vulnerability allows a remote attacker to cause OpenSSL to crash.

The vulnerability exists due to a large recursion that cannot be handled correctly. A remote unauthenticated attacker can cause OpenSSL to crash by sending arbitrary ASN.1 sequences.

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

Remediation

Install update from vendor's website.