CVE-2011-3153 - Improper Link Resolution Before File Access ('Link Following')

Severity

19%

Complexity

34%

Confidentiality

48%

dmrc.c in Light Display Manager (aka LightDM) before 1.1.1 allows local users to read arbitrary files via a symlink attack on ~/.dmrc.

dmrc.c in Light Display Manager (aka LightDM) before 1.1.1 allows local users to read arbitrary files via a symlink attack on ~/.dmrc.

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

First reported 10 years ago

2014-03-06 15:55:00

Last updated 10 years ago

2014-03-07 19:07:00

Affected Software

Canonical Ubuntu Linux 11.10

11.10

Robert Ancell LightDM (Light Display Manager) 0.0.1

0.0.1

Robert Ancell LightDM (Light Display Manager) 0.0.2

0.0.2

Robert Ancell LightDM (Light Display Manager) 0.0.3

0.0.3

Robert Ancell LightDM (Light Display Manager) 0.0.4

0.0.4

Robert Ancell LightDM (Light Display Manager) 0.1.0

0.1.0

Robert Ancell LightDM (Light Display Manager) 0.1.1

0.1.1

Robert Ancell LightDM (Light Display Manager) 0.1.2

0.1.2

Robert Ancell LightDM (Light Display Manager) 0.2.0

0.2.0

Robert Ancell LightDM (Light Display Manager) 0.2.1

0.2.1

Robert Ancell LightDM (Light Display Manager) 0.2.2

0.2.2

Robert Ancell LightDM (Light Display Manager) 0.2.3

0.2.3

Robert Ancell LightDM (Light Display Manager) 0.3.0

0.3.0

Robert Ancell LightDM (Light Display Manager) 0.3.1

0.3.1

Robert Ancell LightDM (Light Display Manager) 0.3.2

0.3.2

Robert Ancell LightDM (Light Display Manager) 0.3.3

0.3.3

Robert Ancell LightDM (Light Display Manager) 0.3.4

0.3.4

Robert Ancell LightDM (Light Display Manager) 0.3.5

0.3.5

Robert Ancell LightDM (Light Display Manager) 0.3.6

0.3.6

Robert Ancell LightDM (Light Display Manager) 0.4.0

0.4.0

Robert Ancell LightDM (Light Display Manager) 0.4.1

0.4.1

Robert Ancell LightDM (Light Display Manager) 0.4.2

0.4.2

Robert Ancell LightDM (Light Display Manager) 0.4.3

0.4.3

Robert Ancell LightDM (Light Display Manager) 0.4.4

0.4.4

Robert Ancell LightDM (Light Display Manager) 0.9.0

0.9.0

Robert Ancell LightDM (Light Display Manager) 0.9.1

0.9.1

Robert Ancell LightDM (Light Display Manager) 0.9.2

0.9.2

Robert Ancell LightDM (Light Display Manager) 0.9.3

0.9.3

Robert Ancell LightDM (Light Display Manager) 0.9.4

0.9.4

Robert Ancell LightDM (Light Display Manager) 0.9.5

0.9.5

Robert Ancell LightDM (Light Display Manager) 0.9.6

0.9.6

Robert Ancell LightDM (Light Display Manager) 0.9.7

0.9.7

Robert Ancell LightDM (Light Display Manager) 0.9.8

0.9.8

Robert Ancell LightDM (Light Display Manager) 1.0.0

1.0.0

Robert Ancell LightDM (Light Display Manager) 1.0.1

1.0.1

Robert Ancell LightDM (Light Display Manager) 1.0.2

1.0.2

Robert Ancell LightDM (Light Display Manager) 1.0.3

1.0.3

Robert Ancell LightDM (Light Display Manager) 1.0.4

1.0.4

Robert Ancell LightDM (Light Display Manager) 1.0.5

1.0.5

Robert Ancell LightDM (Light Display Manager) 1.0.6

1.0.6

Robert Ancell LightDM (Light Display Manager) 1.0.8

1.0.8

Robert Ancell LightDM (Light Display Manager) 1.0.9

1.0.9

Robert Ancell LightDM (Light Display Manager) 1.0.10

1.0.10

Robert Ancell LightDM (Light Display Manager) 1.0.11

1.0.11

References

http://bazaar.launchpad.net/~lightdm-team/lightdm/trunk/revision/1299

USN-1262-1

https://bugs.launchpad.net/ubuntu/%2Bsource/lightdm/%2Bbug/883865

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