SB2009060401 - Denial of service in OpenSSL

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Main Vulnerability Database SB2009060401

SB2009060401 - Denial of service in OpenSSL

Published: June 4, 2009 Updated: August 14, 2020

Security Bulletin ID SB2009060401
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) NULL pointer dereference (CVE-ID: CVE-2009-1387)

The vulnerability allows a remote attacker to perform a denial of service (DoS) attack.

The vulnerability exists due to a NULL pointer dereference error in the  dtls1_retrieve_buffered_fragment function in ssl/d1_both.c in OpenSSL. A remote attacker can pass specially crafted data to the application and perform a denial of service (DoS) attack via an out-of-sequence DTLS handshake message, related to a "fragment bug.".


Remediation

Install update from vendor's website.

References