CVE-2014-1831

Severity: low (CVSS 2.1 v2.0)
Exploited in the wild: not listed in CISA KEV
EPSS: 0.4% probability of exploitation in the next 30 days
Public exploit or detection template: none known
Published: 2015-02-19 · updated 2026-06-17

Description

Phusion Passenger before 4.0.37 allows local users to write to certain files and directories via a symlink attack on (1) control_process.pid or a (2) generation-* file.

Affected products

Phusion Passenger: through 4.0.36

References

http://lists.fedoraproject.org/pipermail/package-announce/2015-February/149032.html
http://openwall.com/lists/oss-security/2014/01/28/8
http://openwall.com/lists/oss-security/2014/01/30/3
https://bugs.debian.org/cgi-bin/bugreport.cgi?bug=736958
https://bugzilla.redhat.com/show_bug.cgi?id=1058992
https://github.com/phusion/passenger/commit/34b1087870c2
http://lists.fedoraproject.org/pipermail/package-announce/2015-February/149032.html
http://openwall.com/lists/oss-security/2014/01/28/8
http://openwall.com/lists/oss-security/2014/01/30/3
https://bugs.debian.org/cgi-bin/bugreport.cgi?bug=736958
https://bugzilla.redhat.com/show_bug.cgi?id=1058992
https://github.com/phusion/passenger/commit/34b1087870c2

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