Rapid7 Vulnerability & Exploit Database

USN-1284-1: Update Manager vulnerabilities

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USN-1284-1: Update Manager vulnerabilities

Severity
6
CVSS
(AV:N/AC:L/Au:N/C:P/I:P/A:N)
Published
11/28/2011
Created
07/25/2018
Added
11/28/2011
Modified
07/09/2020

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.

Solution(s)

  • ubuntu-upgrade-auto-upgrade-tester
  • ubuntu-upgrade-update-manager
  • ubuntu-upgrade-update-notifier

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