OpenSSL <= 0.9.8f DoS

medium Nessus Network Monitor Plugin ID 8663

Synopsis

The remote web server is running an outdated instance of OpenSSL which is prone to a denial of service vulnerability.

Description

According to its banner, the remote host is running a version of OpenSSL older than 0.9.8g. Such versions are prone to a denial of service vulnerability due to an error in the 'hostname' TLS extension. Specifically, the issue affects the 'ssl/ssl_lib.c' source file. An attacker can exploit this issue to cause a memory access violation, potentially crashing the service and denying access to legitimate users.

Solution

Upgrade to OpenSSL 0.9.8g or later.

Plugin Details

Severity: Medium

ID: 8663

Family: Web Servers

Published: 3/27/2015

Updated: 3/6/2019

Vulnerability Information

CPE: cpe:/a:openssl:openssl

Patch Publication Date: 2/23/2009

Vulnerability Publication Date: 3/19/2015

Reference Information

CVE: CVE-2009-5146

BID: 73121

Detections

Analytics