SB2008010901 - Denial of service in TCL

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Main Vulnerability Database SB2008010901

SB2008010901 - Denial of service in TCL

Published: January 9, 2008 Updated: June 23, 2025

Security Bulletin ID SB2008010901
Severity
Medium
Patch available
YES
Number of vulnerabilities 3
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 3 secuirty vulnerabilities.


1) Incorrect Regular Expression (CVE-ID: CVE-2007-6067)

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

The vulnerability exists due to insufficient input validation when processing regular expressions. A remote attacker can pass specially crafted data to the application and perform regular expression denial of service (ReDos) attack.


2) Incorrect Regular Expression (CVE-ID: CVE-2007-4769)

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

The vulnerability exists due to insufficient input validation when processing regular expressions. A remote attacker can pass specially crafted data to the application and perform regular expression denial of service (ReDos) attack.


3) Infinite loop (CVE-ID: CVE-2007-4772)

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

The vulnerability exists due to infinite loop. A remote attacker can consume all available system resources and cause denial of service conditions.


Remediation

Install update from vendor's website.

References