CVE-2011-3154 - Improper Link Resolution Before File Access ('Link Following')

Severity

19%

Complexity

34%

Confidentiality

48%

DistUpgrade/DistUpgradeViewKDE.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 does not properly create temporary files, which allows local users to obtain the XAUTHORITY file content for a user via a symlink attack on the temporary file.

DistUpgrade/DistUpgradeViewKDE.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 does not properly create temporary files, which allows local users to obtain the XAUTHORITY file content for a user via a symlink attack on the temporary file.

CVSS 2.0 Base Score 1.9. CVSS Attack Vector: local. CVSS Attack Complexity: medium. CVSS Vector: (AV:L/AC:M/Au:N/C:P/I:N/A:N).

Overview

Type

Canonical

First reported 10 years ago

2014-04-17 14:55:00

Last updated 10 years ago

2014-05-05 04:59:00

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

References

47024

USN-1284-1

Vendor Advisory

https://bugs.launchpad.net/ubuntu/+source/update-manager/+bug/881541

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