Vulnerabilities
Misconfiguration
Compliance
CVE Vulnerabilities

CVE-2014-1938

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

Published: Nov 21, 2019 | Modified: Nov 21, 2024
CVSS 3.x
5.5
MEDIUM
Source:
NVD
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
CVSS 2.x
2.1 LOW
AV:L/AC:L/Au:N/C:N/I:N/A:P
RedHat/V2
RedHat/V3
Ubuntu
LOW
Vulnerability-free packages from our partners
Additional information
NVDhttps://nvd.nist.gov/vuln/detail/CVE-2014-1938
CWEhttps://cwe.mitre.org/data/definitions/59.html

python-rply before 0.7.4 insecurely creates 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
Rply Rply_project * 0.7.4 (excluding)
Python-rply Ubuntu artful *
Python-rply Ubuntu esm-apps/xenial *
Python-rply Ubuntu trusty *
Python-rply Ubuntu upstream *
Python-rply Ubuntu utopic *
Python-rply Ubuntu vivid *
Python-rply Ubuntu wily *
Python-rply Ubuntu xenial *
Python-rply Ubuntu yakkety *
Python-rply Ubuntu zesty *

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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