Vulnerabilities
Misconfiguration
Compliance
CVE Vulnerabilities

CVE-2011-2185

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

Published: Jul 27, 2011 | Modified: Apr 11, 2025
CVSS 3.x
N/A
Source:
NVD
CVSS 2.x
4.4 MEDIUM
AV:L/AC:M/Au:N/C:P/I:P/A:P
RedHat/V2
RedHat/V3
Ubuntu
NEGLIGIBLE
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Additional information
NVDhttps://nvd.nist.gov/vuln/detail/CVE-2011-2185
CWEhttps://cwe.mitre.org/data/definitions/59.html

Fabric before 1.1.0 allows local users to overwrite arbitrary files via a symlink attack on (1) a /tmp/fab.*.tar file or (2) certain other files in the top level of /tmp/.

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
FabricFabfile*1.0.2 (including)
FabricFabfile0.9 (including)0.9 (including)
FabricFabfile0.9.1 (including)0.9.1 (including)
FabricFabfile0.9.2 (including)0.9.2 (including)
FabricFabfile0.9.3 (including)0.9.3 (including)
FabricFabfile0.9.4 (including)0.9.4 (including)
FabricFabfile0.9.5 (including)0.9.5 (including)
FabricFabfile0.9.6 (including)0.9.6 (including)
FabricFabfile0.9.7 (including)0.9.7 (including)
FabricFabfile1.0.0 (including)1.0.0 (including)
FabricFabfile1.0.1 (including)1.0.1 (including)
FabricUbuntuartful*
FabricUbuntulucid*
FabricUbuntumaverick*
FabricUbuntunatty*
FabricUbuntuoneiric*
FabricUbuntuprecise*
FabricUbuntuquantal*
FabricUbunturaring*
FabricUbuntusaucy*
FabricUbuntuupstream*
FabricUbuntuutopic*
FabricUbuntuvivid*
FabricUbuntuwily*
FabricUbuntuyakkety*
FabricUbuntuzesty*

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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