SB2013030801 - Code Injection in Stunnel



SB2013030801 - Code Injection in Stunnel

Published: March 8, 2013 Updated: August 11, 2020

Security Bulletin ID SB2013030801
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) Code Injection (CVE-ID: CVE-2013-1762)

The vulnerability allows a remote non-authenticated attacker to #BASIC_IMPACT#.

stunnel 4.21 through 4.54, when CONNECT protocol negotiation and NTLM authentication are enabled, does not correctly perform integer conversion, which allows remote proxy servers to execute arbitrary code via a crafted request that triggers a buffer overflow.


Remediation

Install update from vendor's website.