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Home >> Browse Vulnerability Assessment Database >> Gentoo Local Security Checks >> [GLSA-200612-10] Tar: Directory traversal vulnerability


Vulnerability Assessment Details

[GLSA-200612-10] Tar: Directory traversal vulnerability

Vulnerability Assessment Summary
Tar: Directory traversal vulnerability

Detailed Explanation for this Vulnerability Assessment
The remote host is affected by the vulnerability described in GLSA-200612-10
(Tar: Directory traversal vulnerability)


Tar does not properly extract archive elements using the GNUTYPE_NAMES
record name, permiting files to be created at arbitrary locations using
symlinks. Once a symlink is extracted, files after the symlink in the
archive will be extracted to the destination of the symlink.

Impact

A possible hacker could entice a user to extract a specially crafted tar
archive, possibly permiting for the overwriting of arbitrary files on
the system extracting the archive.

Workaround

There is no known workaround at this time.

References:
http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2006-6097


Solution:
All Tar users should upgrade to the latest version:
# emerge --sync
# emerge --ask --oneshot --verbose ">=app-arch/tar-1.16-r2"


Network Security Threat Level: Medium


Networks Security ID:

Vulnerability Assessment Copyright: (C) 2006 Michel Arboi

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