Vulnerabilities
Misconfiguration
Runtime Security
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CVE Vulnerabilities

CVE-2010-4338

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

Published: Jan 20, 2011 | Modified: Nov 21, 2024
CVSS 3.x
N/A
Source:
NVD
CVSS 2.x
6.2 MEDIUM
AV:L/AC:H/Au:N/C:C/I:C/A:C
RedHat/V2
RedHat/V3
Ubuntu
MEDIUM
Additional information
NVDhttps://nvd.nist.gov/vuln/detail/CVE-2010-4338
CWEhttps://cwe.mitre.org/data/definitions/59.html

ocrodjvu 0.4.6-1 on Debian GNU/Linux allows local users to modify arbitrary files via a symlink attack on temporary files that are generated when Cuneiform is invoked as the OCR engine.

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
Ocrodjvu Jwilk 0.4.6-1 (including) 0.4.6-1 (including)
Ocrodjvu Ubuntu lucid *
Ocrodjvu Ubuntu upstream *

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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