What’s Vulnerable › Vulnerabilities

CVE-2011-3152

• Severity: medium (CVSS 6.4 v2.0)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 2.3% probability of exploitation in the next 30 days
• Public exploit or detection template: none known
• Published: 2014-04-27 · updated 2026-06-16
• Weakness: CWE-310

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.

Affected products

• Canonical Ubuntu Linux: 8.04, 10.04, 10.10, 11.04, 11.10
• Canonical Update-Manager: through 1\:0.87.24; 1:0.134.7, 1:0.142.19, 1:0.150, 1:0.152.25

References

• http://secunia.com/advisories/47024
• http://www.osvdb.org/77642
• http://www.securityfocus.com/bid/50833
• http://www.ubuntu.com/usn/USN-1284-1
• https://bugs.launchpad.net/ubuntu/%2Bsource/update-manager/%2Bbug/881548
• https://exchange.xforce.ibmcloud.com/vulnerabilities/71494
• http://secunia.com/advisories/47024
• http://www.osvdb.org/77642
• http://www.securityfocus.com/bid/50833
• http://www.ubuntu.com/usn/USN-1284-1
• https://bugs.launchpad.net/ubuntu/%2Bsource/update-manager/%2Bbug/881548
• https://exchange.xforce.ibmcloud.com/vulnerabilities/71494

Get alerted when CVE-2011-3152 or the next vulnerability affects your stack