78014 : Linux Kernel SG_IO SCSI IOCTL Command Parsing Local Privilege Escalation
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Timeline

Disclosure Date
2011-12-22

Description

<em style='font-weight:bold;'>(Description Provided by <a href="http://cve.mitre.org/cgi-bin/cvename.cgi?name=2011-4127" target="_blank">CVE</a>)</em> : The Linux kernel before 3.2.2 does not properly restrict SG_IO ioctl calls, which allows local users to bypass intended restrictions on disk read and write operations by sending a SCSI command to (1) a partition block device or (2) an LVM volume.

Classification

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

Solution

Currently, there are no known workarounds or upgrades to correct this issue. However, Red Hat has released a patch to address this vulnerability. Check the vendor changelog in the references section.

Products

Unknown or Incomplete

References

CVE ID: 2011-4127 (see also: NVD)
SCIP VulDB ID: 4503
Secunia Advisory ID: 47296 47332 47900 47953 47967 48140 48155 48272 48287 48292 48544 48898 53815
Bugtraq ID: 51176
Vendor Specific News/Changelog Entry: http://lists.opensuse.org/opensuse-security-announce/2012-02/msg00000.html
http://lists.opensuse.org/opensuse-security-announce/2012-02/msg00001.html
http://lists.opensuse.org/opensuse-security-announce/2012-04/msg00021.html
http://lists.opensuse.org/opensuse-updates/2013-06/msg00061.html
http://lists.opensuse.org/opensuse-updates/2013-06/msg00064.html
http://wiki.openvz.org/Download/kernel/rhel5/028stab098.1
http://wiki.openvz.org/Download/kernel/rhel6/042stab049.6
http://www.ubuntu.com/usn/usn-1384-1/
http://www.ubuntu.com/usn/usn-1388-1/
http://www.ubuntu.com/usn/usn-1389-1/
http://www.ubuntu.com/usn/usn-1405-1
https://bugzilla.redhat.com/show_bug.cgi?id=752375
Other Advisory URL: https://lkml.org/lkml/2011/12/22/270
RedHat RHSA: RHSA-2011:1849 RHSA-2012:0107 RHSA-2012:0333

Credit

Unknown or Incomplete

CVSSv2 Score

CVSSv2 Base Score = 4.6
Source: nvd.nist.gov | Generated: 2012-07-03 | Disagree?

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