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securityvulnsSecurityvulnsSECURITYVULNS:DOC:12464
HistoryApr 28, 2006 - 12:00 a.m.

[SA19868] Linux Kernel CIFS chroot Directory Traversal Vulnerability

2006-04-2800:00:00
vulners.com
4

TITLE:
Linux Kernel CIFS chroot Directory Traversal Vulnerability

SECUNIA ADVISORY ID:
SA19868

VERIFY ADVISORY:
http://secunia.com/advisories/19868/

CRITICAL:
Less critical

IMPACT:
Security Bypass

WHERE:
Local system

OPERATING SYSTEM:
Linux Kernel 2.6.x
http://secunia.com/product/2719/

DESCRIPTION:
Marcel Holtmann has reported a vulnerability in the Linux Kernel,
which can be exploited by malicious, local users to bypass certain
security restrictions.

The vulnerability is caused due to an input validation error in the
CIFS mounted filesystem. This can be exploited to bypass chroot
restrictions via the "…\\" directory traversal sequences.

The vulnerability has been reported in versions prior to 2.6.16.11.

SOLUTION:
Update to version 2.6.16.11.
http://kernel.org

PROVIDED AND/OR DISCOVERED BY:
Marcel Holtmann

ORIGINAL ADVISORY:
Kernel.org:
http://www.kernel.org/pub/linux/kernel/v2.6/ChangeLog-2.6.16.11
http://www.kernel.org/git/?p=linux/kernel/git/torvalds/linux-2.6.git;a=commit;h=296034f7de8bdf111984ce1630ac598a9c94a253

Red Hat Bugzilla:
https://bugzilla.redhat.com/bugzilla/show_bug.cgi?id=189434


About:
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vulnerabilities.

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http://secunia.com/about_secunia_advisories/

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