CVE-2008-4640

Severity: low (CVSS 3.6 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: 2008-10-21 · updated 2026-06-16
Weakness: CWE-20

Description

The DoCommand function in jhead.c in Matthias Wandel jhead 2.84 and earlier allows local users to delete arbitrary files via vectors involving a modified input filename in which (1) a final "z" character is replaced by a "t" character or (2) a final "t" character is replaced by a "z" character.

Affected products

Sentex Jhead: through 2.82; 1.2, 1.3, 1.4, 1.5, 1.6, 1.7 (+13)

References

http://www.openwall.com/lists/oss-security/2008/10/16/3
http://www.openwall.com/lists/oss-security/2008/11/26/4
http://www.securityfocus.com/bid/32506
https://bugs.launchpad.net/ubuntu/+source/jhead/+bug/271020
http://www.openwall.com/lists/oss-security/2008/10/16/3
http://www.openwall.com/lists/oss-security/2008/11/26/4
http://www.securityfocus.com/bid/32506
https://bugs.launchpad.net/ubuntu/+source/jhead/+bug/271020

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