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CVE-2011-3634

2.6 · LOW

methods/https.cc in apt before 0.8.11 accepts connections when the certificate host name fails validation and Verify-Host is enabled, which allows man-in-the-middle attackers to obtain repository c…

Published Mar 1, 2014debianCWE-200EPSS 0.81%

Overview

CVE-2011-3634 is a low-severity vulnerability affecting debian advanced_package_tool. It was published on March 1, 2014 and has a CVSS 2.0 base score of 2.6 (LOW).

This vulnerability has a CVSS 2.0 base score of 2.6, rated LOW. It can be exploited remotely over the network. No authentication or special privileges are required for exploitation.

Technical description

methods/https.cc in apt before 0.8.11 accepts connections when the certificate host name fails validation and Verify-Host is enabled, which allows man-in-the-middle attackers to obtain repository credentials via unspecified vectors.

Remediation

Check the references section for vendor advisories and patches from debian. Update advanced_package_tool 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

VendorProductVersionsStatus
debianadvanced_package_tool0Affected

References

Refpeople.canonical.com/~ubuntu-security/cve/2011/CVE-2011-3634.htmlRefwww.ubuntu.com/usn/USN-1283-1Refalioth.debian.org/plugins/scmgit/cgi-bin/gitweb.cgi?p=apt/apt.git%3Ba=blob%3Bf=debian/changelog%3Bhb=HEADRefbugs.launchpad.net/ubuntu/+source/apt/+bug/868353Refpeople.canonical.com/~ubuntu-security/cve/2011/CVE-2011-3634.htmlRefwww.ubuntu.com/usn/USN-1283-1Refalioth.debian.org/plugins/scmgit/cgi-bin/gitweb.cgi?p=apt/apt.git%3Ba=blob%3Bf=debian/changelog%3Bhb=HEADRefbugs.launchpad.net/ubuntu/+source/apt/+bug/868353

How CyberStrike helps

Frequently asked questions

What is CVE-2011-3634?

CVE-2011-3634 is a low-severity vulnerability affecting debian advanced_package_tool. It was published on March 1, 2014 and has a CVSS 2.0 base score of 2.6 (LOW).

How severe is CVE-2011-3634?

This vulnerability has a CVSS 2.0 base score of 2.6, rated LOW. It can be exploited remotely over the network. No authentication or special privileges are required for exploitation.

How do I fix or remediate CVE-2011-3634?

Check the references section for vendor advisories and patches from debian. Update advanced_package_tool 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-2011-3634?

CyberStrike is an open-source, AI-augmented pentesting engine. Rather than flag a version number, it tests whether an issue like CVE-2011-3634 is actually reachable in your own applications and APIs, then verifies each finding before reporting it. That tells you if the weakness is a real, exploitable risk in your environment or a false positive you can safely deprioritize.

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