Linux Kernel CIFS chroot Directory Traversal Vulnerability - Secunia Advisories - Vulnerability Intelligence

Linux Kernel CIFS chroot Directory Traversal Vulnerability
Secunia Advisory:	SA19868	Advisory Toolbox: Issue ticket Save in to-do list Mark as handled Exploit information Download as PDF Review actions Add comment
Release Date:	2006-04-28
Popularity:	10,055 views

Critical:	Less critical
Impact:	Security Bypass
Where:	Local system
Solution Status:	Vendor Patch

OS:	Linux Kernel 2.6.x

Subscribe:	Instant alerts on relevant vulnerabilities

CVE reference:	CVE-2006-1863

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/ke...034f7de8bdf111984ce1630ac598a9c94a253 Red Hat Bugzilla: https://bugzilla.redhat.com/bugzilla/show_bug.cgi?id=189434

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