CVE-2010-0832 - Improper Link Resolution Before File Access ('Link Following')

Severity

69%

Complexity

34%

Confidentiality

165%

pam_motd (aka the MOTD module) in libpam-modules before 1.1.0-2ubuntu1.1 in PAM on Ubuntu 9.10 and libpam-modules before 1.1.1-2ubuntu5 in PAM on Ubuntu 10.04 LTS allows local users to change the ownership of arbitrary files via a symlink attack on .cache in a user's home directory, related to "user file stamps" and the motd.legal-notice file.

pam_motd (aka the MOTD module) in libpam-modules before 1.1.0-2ubuntu1.1 in PAM on Ubuntu 9.10 and libpam-modules before 1.1.1-2ubuntu5 in PAM on Ubuntu 10.04 LTS allows local users to change the ownership of arbitrary files via a symlink attack on .cache in a user's home directory, related to "user file stamps" and the motd.legal-notice file.

CVSS 2.0 Base Score 6.9. CVSS Attack Vector: local. CVSS Attack Complexity: medium. CVSS Vector: (AV:L/AC:M/Au:N/C:C/I:C/A:C).

Overview

Type

Canonical Ubuntu Linux

First reported 14 years ago

2010-07-12 16:30:00

Last updated 7 years ago

2017-08-17 01:32:00

Affected Software

Canonical Ubuntu Linux 10.04 LTS

10.04

Canonical Ubuntu Linux 9.10

9.10

References

40512

Vendor Advisory

http://twitter.com/jonoberheide/statuses/18009527979

14273

Exploit

http://www.h-online.com/security/news/item/Ubuntu-closes-root-hole-1034618.html

66116

41465

Exploit, Patch

USN-959-1

Vendor Advisory

ADV-2010-1747

Vendor Advisory

pammotd-motdlegalnotice-priv-escalation(60194)

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