CVE-2004-1027

Severity: medium (CVSS 5.0 v2.0)
Exploited in the wild: not listed in CISA KEV
EPSS: 2.7% probability of exploitation in the next 30 days
Public exploit or detection template: none known
Published: 2005-03-01 · updated 2026-06-16

Description

Directory traversal vulnerability in the -x (extract) command line option in unarj allows remote attackers to overwrite arbitrary files via an arj archive with filenames that contain .. (dot dot) sequences.

Affected products

Arjsoftware Unarj: 2.62, 2.63-a, 2.64, 2.65
Debian Linux: 3.0
gentoo Linux: all versions

References

http://lists.grok.org.uk/pipermail/full-disclosure/2004-October/027348.html
http://lwn.net/Articles/121827/
http://security.gentoo.org/glsa/glsa-200411-29.xml
http://www.debian.org/security/2005/dsa-628
http://www.debian.org/security/2005/dsa-652
http://www.redhat.com/support/errata/RHSA-2005-007.html
http://www.securityfocus.com/bid/11436
https://exchange.xforce.ibmcloud.com/vulnerabilities/17684
http://lists.grok.org.uk/pipermail/full-disclosure/2004-October/027348.html
http://lwn.net/Articles/121827/
http://security.gentoo.org/glsa/glsa-200411-29.xml
http://www.debian.org/security/2005/dsa-628

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