Jython Improper Access Restrictions vulnerability

MEDIUM 4.6CVE-2013-2027 · GHSA-9347-9w64-q5wp · Published 13/02/2015 · updated 16/06/2026

In short

CVE-2013-2027 is a MEDIUM (CVSS 4.6) vulnerability affecting org.python:jython-standalone, jython (jython project).
Chance of exploitation in the next 30 days (EPSS): 0.43%, higher than 37.4% of all vulnerabilities.
Fix: update to 2.7.2b3 or later.

Package	Affected versions	Patched versions
org.python:jython-standalone Maven	`< 2.7.2b3`	`2.7.2b3`
jython jython_project	`= 2.2.1`	No fix yet

Description

Jython before 2.7.2b3 uses the current umask to set the privileges of the class cache files, which allows local users to bypass intended access restrictions via unspecified vectors.

NVD description

Jython 2.2.1 uses the current umask to set the privileges of the class cache files, which allows local users to bypass intended access restrictions via unspecified vectors.

References

nvd.nist.gov/vuln/detail/CVE-2013-2027 · ADVISORY
jython/frozen-mirror commit 053949e · WEB
bugzilla.redhat.com/show_bug.cgi · WEB
jython/frozen-mirror · WEB
advisories.mageia.org/MGASA-2015-0096.html · WEB
lists.opensuse.org/opensuse-updates/2015-02/msg00055.html · WEB
mandriva.com/security/advisories · WEB
oracle.com/technetwork/security-advisory/cpujul2017-3236622.html · WEB
jython/frozen-mirror · PACKAGE

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