DistUpgrade/DistUpgradeFetcherCore.py in Update Manager prior to 1:0.87.31.1, 1:0.134.x prior to 1:0.134.11.1, 1:0.142.x prior to 1:0.142.23.1, 1:0.150.x prior to 1:0.150.5.1, and 1:0.152.x prior to 1:0.152.25.5 on Ubuntu 8.04 up to and including 11.10 does not verify the GPG signature before extracting an upgrade tarball, which allows man-in-the-middle malicious users 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.
| Vulnerable Product | Search on Vulmon | Subscribe to Product |
|---|---|---|
canonical update-manager |
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canonical update-manager 1\\ |
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canonical ubuntu linux 8.04 |
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canonical ubuntu linux 11.04 |
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canonical ubuntu linux 11.10 |
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canonical ubuntu linux 10.04 |
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canonical ubuntu linux 10.10 |
Vulmon