CVE Vulnerabilities

CVE-2011-3616

Improper Link Resolution Before File Access ('Link Following')

Published: Nov 04, 2011 | Modified: Apr 11, 2025
CVSS 3.x
N/A
Source:
NVD
CVSS 2.x
6.3 MEDIUM
AV:L/AC:M/Au:N/C:N/I:C/A:C
RedHat/V2
RedHat/V3
Ubuntu
MEDIUM
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The getSkillname function in the eve module in Conky 1.8.1 and earlier allows local users to overwrite arbitrary files via a symlink attack on /tmp/.cesf.

Weakness

The product attempts to access a file based on the filename, but it does not properly prevent that filename from identifying a link or shortcut that resolves to an unintended resource.

Affected Software

NameVendorStart VersionEnd Version
ConkyConky*1.8.1 (including)
ConkyConky1.1 (including)1.1 (including)
ConkyConky1.2 (including)1.2 (including)
ConkyConky1.3.0 (including)1.3.0 (including)
ConkyConky1.3.1 (including)1.3.1 (including)
ConkyConky1.3.2 (including)1.3.2 (including)
ConkyConky1.3.3 (including)1.3.3 (including)
ConkyConky1.3.4 (including)1.3.4 (including)
ConkyConky1.3.5 (including)1.3.5 (including)
ConkyConky1.4.0 (including)1.4.0 (including)
ConkyConky1.4.1 (including)1.4.1 (including)
ConkyConky1.4.2 (including)1.4.2 (including)
ConkyConky1.4.3 (including)1.4.3 (including)
ConkyConky1.4.4 (including)1.4.4 (including)
ConkyConky1.4.5 (including)1.4.5 (including)
ConkyConky1.4.6 (including)1.4.6 (including)
ConkyConky1.4.7 (including)1.4.7 (including)
ConkyConky1.4.8 (including)1.4.8 (including)
ConkyConky1.4.9 (including)1.4.9 (including)
ConkyConky1.5.0 (including)1.5.0 (including)
ConkyConky1.5.1 (including)1.5.1 (including)
ConkyConky1.6.0 (including)1.6.0 (including)
ConkyConky1.6.1 (including)1.6.1 (including)
ConkyConky1.7.0 (including)1.7.0 (including)
ConkyConky1.7.1 (including)1.7.1 (including)
ConkyConky1.7.1.1 (including)1.7.1.1 (including)
ConkyConky1.7.2 (including)1.7.2 (including)
ConkyConky1.8.0 (including)1.8.0 (including)
ConkyUbuntuhardy*
ConkyUbuntulucid*
ConkyUbuntumaverick*
ConkyUbuntunatty*
ConkyUbuntuoneiric*

Potential Mitigations

  • Follow the principle of least privilege when assigning access rights to entities in a software system.
  • Denying access to a file can prevent an attacker from replacing that file with a link to a sensitive file. Ensure good compartmentalization in the system to provide protected areas that can be trusted.

References