Vulnerability Details CVE-2011-3152
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.
Exploit prediction scoring system (EPSS) score
EPSS Score 0.004
EPSS Ranking 62.0%
CVSS Severity
CVSS v2 Score 6.4
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
Products affected by CVE-2011-3152
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cpe:2.3:a:canonical:update-manager:1
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cpe:2.3:o:canonical:ubuntu_linux:10.04
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cpe:2.3:o:canonical:ubuntu_linux:10.10
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cpe:2.3:o:canonical:ubuntu_linux:11.04
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cpe:2.3:o:canonical:ubuntu_linux:11.10
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cpe:2.3:o:canonical:ubuntu_linux:8.04