CVE-2011-3152

Severity

64%

Complexity

99%

Confidentiality

81%

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.

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.

CVSS 2.0 Base Score 6.4. CVSS Attack Vector: network. CVSS Attack Complexity: low. CVSS Vector: (AV:N/AC:L/Au:N/C:P/I:P/A:N).

Overview

Type

Canonical

First reported 10 years ago

2014-04-27 20:55:00

Last updated 7 years ago

2017-08-29 01:30:00

Affected Software

Canonical Update Manager (update-manager) 1:0.134.7

1\

Canonical Update Manager (update-manager) 1:0.142.19

1\

Canonical Update Manager (update-manager) 1:0.150

1\

Canonical Update Manager (update-manager) 1:0.152.25

1\

Canonical Ubuntu Linux 8.04 LTS (Long-Term Support)

8.04

Canonical Ubuntu Linux 10.04 LTS

10.04

Canonical Ubuntu Linux 10.10

10.10

Canonical Ubuntu Linux 11.04

11.04

Canonical Ubuntu Linux 11.10

11.10

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