CVE Vulnerabilities

CVE-2013-3368

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

Published: Aug 23, 2013 | Modified: Aug 26, 2013
CVSS 3.x
N/A
Source:
NVD
CVSS 2.x
3.3 LOW
AV:L/AC:M/Au:N/C:N/I:P/A:P
RedHat/V2
RedHat/V3
Ubuntu

bin/rt in Request Tracker (RT) 3.8.x before 3.8.17 and 4.0.x before 4.0.13 allows local users to overwrite arbitrary files via a symlink attack on a temporary file with predictable name.

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
Rt Bestpractical 4.0.0 (including) 4.0.0 (including)
Rt Bestpractical 4.0.0-rc1 (including) 4.0.0-rc1 (including)
Rt Bestpractical 4.0.0-rc2 (including) 4.0.0-rc2 (including)
Rt Bestpractical 4.0.0-rc3 (including) 4.0.0-rc3 (including)
Rt Bestpractical 4.0.0-rc4 (including) 4.0.0-rc4 (including)
Rt Bestpractical 4.0.0-rc5 (including) 4.0.0-rc5 (including)
Rt Bestpractical 4.0.0-rc6 (including) 4.0.0-rc6 (including)
Rt Bestpractical 4.0.0-rc7 (including) 4.0.0-rc7 (including)
Rt Bestpractical 4.0.0-rc8 (including) 4.0.0-rc8 (including)
Rt Bestpractical 4.0.1 (including) 4.0.1 (including)
Rt Bestpractical 4.0.1-rc1 (including) 4.0.1-rc1 (including)
Rt Bestpractical 4.0.1-rc2 (including) 4.0.1-rc2 (including)
Rt Bestpractical 4.0.2 (including) 4.0.2 (including)
Rt Bestpractical 4.0.2-rc1 (including) 4.0.2-rc1 (including)
Rt Bestpractical 4.0.2-rc2 (including) 4.0.2-rc2 (including)
Rt Bestpractical 4.0.3 (including) 4.0.3 (including)
Rt Bestpractical 4.0.3-rc1 (including) 4.0.3-rc1 (including)
Rt Bestpractical 4.0.3-rc2 (including) 4.0.3-rc2 (including)
Rt Bestpractical 4.0.4 (including) 4.0.4 (including)
Rt Bestpractical 4.0.5 (including) 4.0.5 (including)
Rt Bestpractical 4.0.5-rc1 (including) 4.0.5-rc1 (including)
Rt Bestpractical 4.0.6 (including) 4.0.6 (including)
Rt Bestpractical 4.0.7 (including) 4.0.7 (including)
Rt Bestpractical 4.0.7-rc1 (including) 4.0.7-rc1 (including)
Rt Bestpractical 4.0.8 (including) 4.0.8 (including)
Rt Bestpractical 4.0.8-rc1 (including) 4.0.8-rc1 (including)
Rt Bestpractical 4.0.8-rc2 (including) 4.0.8-rc2 (including)
Rt Bestpractical 4.0.9 (including) 4.0.9 (including)
Rt Bestpractical 4.0.10 (including) 4.0.10 (including)
Rt Bestpractical 4.0.11 (including) 4.0.11 (including)
Rt Bestpractical 4.0.12 (including) 4.0.12 (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