Vulnerabilities
Misconfiguration
Compliance
CVE Vulnerabilities

CVE-2007-3916

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

Published: Sep 24, 2007 | Modified: Apr 09, 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
MEDIUM
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Additional information
NVDhttps://nvd.nist.gov/vuln/detail/CVE-2007-3916
CWEhttps://cwe.mitre.org/data/definitions/59.html

The main function in skkdic-expr.c in SKK Tools 1.2 allows local users to overwrite or delete arbitrary files via a symlink attack on a skkdic$PID temporary file.

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
Skk_toolsSkk_openlab1.2 (including)1.2 (including)
SkktoolsUbuntudapper*
SkktoolsUbuntudevel*
SkktoolsUbuntuedgy*
SkktoolsUbuntufeisty*
SkktoolsUbuntugutsy*
SkktoolsUbuntuhardy*
SkktoolsUbuntuintrepid*
SkktoolsUbuntujaunty*
SkktoolsUbuntukarmic*

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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