60867 : Linux Kernel Ext4 EXT4_IOC_MOVE_EXT Crafted IOCTL Local Privilege Escalation
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Timeline

Disclosure Date
2009-12-07

Description

<em style='font-weight:bold;'>(Description Provided by <a href="http://cve.mitre.org/cgi-bin/cvename.cgi?name=2009-4131" target="_blank">CVE</a>)</em> : The EXT4_IOC_MOVE_EXT (aka move extents) ioctl implementation in the ext4 filesystem in the Linux kernel before 2.6.32-git6 allows local users to overwrite arbitrary files via a crafted request, related to insufficient checks for file permissions.

Classification

Location: Local Access Required
Attack Type: Input Manipulation
Impact: Loss of Integrity
Solution: Patch / RCS
Disclosure: Vendor Verified

Products

Unknown or Incomplete

References

CVE ID: 2009-4131 (see also: NVD)
Bugtraq ID: 37277
Secunia Advisory ID: 37519 37658 37686 38017
VUPEN Advisory: ADV-2009-3468
Vendor Specific News/Changelog Entry: http://git.kernel.org/?p=linux/kernel/git/tytso/ext4.git;a=commit;h=4a58579b9e4e2a35d57e6c9c8483e52f6f1b7fd6
http://lists.opensuse.org/opensuse-security-announce/2010-01/msg00000.html
http://www.kernel.org/pub/linux/kernel/v2.6/snapshots/patch-2.6.32-git6.log
https://bugzilla.redhat.com/show_bug.cgi?id=544471
https://www.redhat.com/archives/fedora-package-announce/2009-December/msg00702.html
Other Advisory URL: http://lkml.org/lkml/2009/12/9/255
News Article: http://www.theregister.co.uk/2009/12/11/linux_kernel_bugs_patched/
Vendor Specific Advisory URL: http://www.ubuntu.com/usn/USN-869-1

Credit

Unknown or Incomplete

CVSSv2 Score

CVSSv2 Base Score = 7.2
Source: nvd.nist.gov | Generated: 2009-12-14 | Disagree?

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