Denial of Service (DoS) Affecting tor package, versions [,0.2.3.23)


Severity

Recommended
0.0
medium
0
10

CVSS assessment made by Snyk's Security Team. Learn more

Threat Intelligence

EPSS
0.24% (62nd percentile)

Do your applications use this vulnerable package?

In a few clicks we can analyze your entire application and see what components are vulnerable in your application, and suggest you quick fixes.

Test your applications

Snyk Learn

Learn about Denial of Service (DoS) vulnerabilities in an interactive lesson.

Start learning
  • Snyk IDSNYK-UNMANAGED-TOR-2371323
  • published26 Jan 2022
  • disclosed3 Feb 2014
  • creditUnknown

Introduced: 3 Feb 2014

CVE-2012-2249  (opens in a new tab)
CWE-400  (opens in a new tab)

How to fix?

Upgrade tor to version 0.2.3.23 or higher.

Overview

Affected versions of this package are vulnerable to Denial of Service (DoS). Tor before 0.2.3.23-rc allows remote attackers to cause a denial of service (assertion failure and daemon exit) via a renegotiation attempt that occurs after the initiation of the V3 link protocol.

CVSS Scores

version 3.1