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CVE-2011-0015

5.0 · MEDIUM
Published Jan 19, 2011 tor CWE-20 EPSS 3.10% (87th pctl)

Overview

CVE-2011-0015 is a medium-severity vulnerability affecting tor tor. It was published on January 19, 2011 and has a CVSS 2.0 base score of 5.0 (MEDIUM).

This vulnerability has a CVSS 2.0 base score of 5.0, rated MEDIUM. It can be exploited remotely over the network. No authentication or special privileges are required for exploitation.

Technical Description

Tor before 0.2.1.29 and 0.2.2.x before 0.2.2.21-alpha does not properly check the amount of compression in zlib-compressed data, which allows remote attackers to cause a denial of service via a large compression factor.

Remediation

Check the references section for vendor advisories and patches from tor. Update tor to the latest patched version. If immediate patching is not possible, review the CVSS vector to understand the attack surface and apply compensating controls such as network segmentation or access restrictions.

Affected Products

Vendor Product Versions Status
tor tor 0 Affected

Frequently Asked Questions

What is CVE-2011-0015?

CVE-2011-0015 is a medium-severity vulnerability affecting tor tor. It was published on January 19, 2011 and has a CVSS 2.0 base score of 5.0 (MEDIUM).

How severe is CVE-2011-0015?

This vulnerability has a CVSS 2.0 base score of 5.0, rated MEDIUM. It can be exploited remotely over the network. No authentication or special privileges are required for exploitation.

How do I fix or remediate CVE-2011-0015?

Check the references section for vendor advisories and patches from tor. Update tor to the latest patched version. If immediate patching is not possible, review the CVSS vector to understand the attack surface and apply compensating controls such as network segmentation or access restrictions.

How can CyberStrike help with CVE-2011-0015?

CyberStrike's AI-powered security agents can automatically detect CVE-2011-0015 across your infrastructure using autonomous pentesting, DAST scanning, and HackBrowser. The platform continuously monitors for known vulnerabilities and provides actionable remediation guidance prioritized by real-world exploitability.