CVE-2013-0296

Severity: medium (CVSS 4.4 v2.0)
Exploited in the wild: not listed in CISA KEV
EPSS: 0.3% probability of exploitation in the next 30 days
Public exploit or detection template: none known
Published: 2014-04-27 · updated 2026-06-16
Weakness: CWE-264

Description

Race condition in pigz before 2.2.5 uses permissions derived from the umask when compressing a file before setting that file's permissions to match those of the original file, which might allow local users to bypass intended access permissions while compression is occurring.

Affected products

zlib Pigz: through 2.2.4-1

References

http://lists.opensuse.org/opensuse-updates/2013-03/msg00106.html
http://mail.zlib.net/pipermail/pigz-announce_zlib.net/2012-July/000006.html
http://www.openwall.com/lists/oss-security/2013/02/15/4
http://www.openwall.com/lists/oss-security/2013/02/16/3
https://bugs.debian.org/cgi-bin/bugreport.cgi?bug=700608
http://lists.opensuse.org/opensuse-updates/2013-03/msg00106.html
http://mail.zlib.net/pipermail/pigz-announce_zlib.net/2012-July/000006.html
http://www.openwall.com/lists/oss-security/2013/02/15/4
http://www.openwall.com/lists/oss-security/2013/02/16/3
https://bugs.debian.org/cgi-bin/bugreport.cgi?bug=700608

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