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CVE-2011-3152

6.4 · MEDIUM

DistUpgrade/DistUpgradeFetcherCore.py in Update Manager before 1:0.87.31.1, 1:0.134.x before 1:0.134.11.1, 1:0.142.x before 1:0.142.23.1, 1:0.150.x before 1:0.150.5.1, and 1:0.152.x before 1:0.152.…

Published Apr 27, 2014canonicalCWE-310EPSS 2.33%

Overview

CVE-2011-3152 is a medium-severity vulnerability affecting canonical update-manager. It was published on April 27, 2014 and has a CVSS 2.0 base score of 6.4 (MEDIUM).

This vulnerability has a CVSS 2.0 base score of 6.4, rated MEDIUM. It can be exploited remotely over the network. No authentication or special privileges are required for exploitation.

Technical description

DistUpgrade/DistUpgradeFetcherCore.py in Update Manager before 1:0.87.31.1, 1:0.134.x before 1:0.134.11.1, 1:0.142.x before 1:0.142.23.1, 1:0.150.x before 1:0.150.5.1, and 1:0.152.x before 1:0.152.25.5 on Ubuntu 8.04 through 11.10 does not verify the GPG signature before extracting an upgrade tarball, which allows man-in-the-middle attackers to (1) create or overwrite arbitrary files via a directory traversal attack using a crafted tar file, or (2) bypass authentication via a crafted meta-release file.

Remediation

Check the references section for vendor advisories and patches from canonical. Update update-manager 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
canonicalupdate-manager0Affected

References

Refsecunia.com/advisories/47024Refwww.osvdb.org/77642Refwww.securityfocus.com/bid/50833Refwww.ubuntu.com/usn/USN-1284-1Refbugs.launchpad.net/ubuntu/%2Bsource/update-manager/%2Bbug/881548Refexchange.xforce.ibmcloud.com/vulnerabilities/71494Refsecunia.com/advisories/47024Refwww.osvdb.org/77642Refwww.securityfocus.com/bid/50833Refwww.ubuntu.com/usn/USN-1284-1

How CyberStrike helps

Frequently asked questions

What is CVE-2011-3152?

CVE-2011-3152 is a medium-severity vulnerability affecting canonical update-manager. It was published on April 27, 2014 and has a CVSS 2.0 base score of 6.4 (MEDIUM).

How severe is CVE-2011-3152?

This vulnerability has a CVSS 2.0 base score of 6.4, 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-2011-3152?

Check the references section for vendor advisories and patches from canonical. Update update-manager 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-2011-3152?

CyberStrike is an open-source, AI-augmented pentesting engine. Rather than flag a version number, it tests whether an issue like CVE-2011-3152 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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