Vulnerabilities
Misconfiguration
Compliance
CVE Vulnerabilities

CVE-2008-3931

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

Published: Sep 04, 2008 | Modified: Nov 21, 2024
CVSS 3.x
N/A
Source:
NVD
CVSS 2.x
6.9 MEDIUM
AV:L/AC:M/Au:N/C:C/I:C/A:C
RedHat/V2
RedHat/V3
Ubuntu
MEDIUM
Vulnerability-free packages from our partners
Additional information
NVDhttps://nvd.nist.gov/vuln/detail/CVE-2008-3931
CWEhttps://cwe.mitre.org/data/definitions/59.html

javareconf in R 2.7.2 allows local users to overwrite arbitrary files via a symlink attack on temporary files.

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
R R_foundation 2.7.2 (including) 2.7.2 (including)
R-base Ubuntu trusty *
R-base Ubuntu upstream *
R-base Ubuntu xenial *
R-base-core-ra Ubuntu trusty *
R-base-core-ra Ubuntu upstream *
R-base-core-ra Ubuntu xenial *

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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