CVE-2014-1624 - Improper Link Resolution Before File Access ('Link Following')

Severity

32%

Complexity

34%

Confidentiality

81%

Race condition in the xdg.BaseDirectory.get_runtime_dir function in python-xdg 0.25 allows local users to overwrite arbitrary files by pre-creating /tmp/pyxdg-runtime-dir-fallback-victim to point to a victim-owned location, then replacing it with a symlink to an attacker-controlled location once the get_runtime_dir function is called.

Race condition in the xdg.BaseDirectory.get_runtime_dir function in python-xdg 0.25 allows local users to overwrite arbitrary files by pre-creating /tmp/pyxdg-runtime-dir-fallback-victim to point to a victim-owned location, then replacing it with a symlink to an attacker-controlled location once the get_runtime_dir function is called.

CVSS 2.0 Base Score 3.3. CVSS Attack Vector: local. CVSS Attack Complexity: medium. CVSS Vector: (AV:L/AC:M/Au:N/C:N/I:P/A:P).

Overview

First reported 11 years ago

2014-01-28 00:55:00

Last updated 7 years ago

2017-08-29 01:34:00

Affected Software

Python PyXDG 0.25

0.25

References

http://bugs.debian.org/cgi-bin/bugreport.cgi?bug=736247

[oss-security] 20140121 Fwd: [Python-modules-team] Bug#736247: python-xdg: get_runtime_dir(strict=False): insecure use of /tmp

[oss-security] 20140121 Re: Fwd: [Python-modules-team] Bug#736247: python-xdg: get_runtime_dir(strict=False): insecure use of /tmp

65042

pythonxdg-cve20141624-symlink(90618)

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