CVE-2004-1027

MEDIUM 5.0CVE-2004-1027 · Published 01/03/2005 · updated 16/06/2026

In short

CVE-2004-1027 is a MEDIUM (CVSS 5.0) vulnerability affecting unarj (arjsoftware).
Chance of exploitation in the next 30 days (EPSS): 3.8%, higher than 90.0% of all vulnerabilities.
No patched version is listed yet: follow the vendor's advisory in References.

Package	Affected versions	Patched versions
unarj arjsoftware	`= 2.62= 2.63= 2.64= 2.65`	No fix yet

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.

References

lists.grok.org.uk/pipermail/full-disclosure/2004-October/027348.html · Third Party Advisory
lwn.net/Articles/121827 · Third Party Advisory
security.gentoo.org/glsa/glsa-200411-29.xml · Third Party Advisory
debian.org/security/2005/dsa-628 · Third Party Advisory
debian.org/security/2005/dsa-652 · Third Party Advisory
redhat.com/support/errata/RHSA-2005-007.html · Third Party Advisory
securityfocus.com/bid/11436 · Patch
exchange.xforce.ibmcloud.com/vulnerabilities/17684 · VDB Entry

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