Vulnerabilities
Misconfiguration
Runtime Security
Compliance
CVE Vulnerabilities

CVE-2011-5146

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

Published: Aug 31, 2012 | Modified: Sep 05, 2012
CVSS 3.x
N/A
Source:
NVD
CVSS 2.x
2.6 LOW
AV:L/AC:H/Au:N/C:N/I:P/A:P
RedHat/V2
RedHat/V3
Ubuntu
LOW
Additional information
NVDhttps://nvd.nist.gov/vuln/detail/CVE-2011-5146
CWEhttps://cwe.mitre.org/data/definitions/59.html

Bokken before 1.6 and 1.5-x before 1.5-3 for Debian allows local users to overwrite arbitrary files via a symlink attack on /tmp/graph.dot.

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

Name Vendor Start Version End Version
Bokken Ingumadev * 1.5 (including)

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

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