Info

Last Modified

about 1 year ago

Percent Complete

100%

Disclosure

Jul 17, 2006

Discovery

Unknown

Dates

Exploit

Jul 17, 2006

Solution

Unknown

Description

Linux kernel contains a flaw that may allow local users to gain root privileges by using prctl with PR_SET_DUMPABLE in a way that causes /proc/self/environ to become setuid root. The issue is triggered by a race condition occurs in '/proc' when changing file status. This flaw may lead to a loss of integrity.

Classification

Location: Local Access Required
Attack Type: Information Disclosure, Race Condition
Impact: Loss of Integrity
Exploit: Exploit Public

Technical

The reported exploit runs successfully only on Linux kernel that supports the a.out (assembler output) binary format.

Solution

Upgrade to version 2.6.17.5 or higher, as it has been reported to fix this vulnerability. An upgrade is required as there are no known workarounds.

Products

Linux	Kernel	2.5.x
		2.6.0
		2.6.1
		2.6.2
		2.6.3
		2.6.4
		2.6.5
		2.6.6
		2.6.7
		2.6.8.x
		2.6.9.x
		2.6.10
		2.6.11.x
		2.6.12.x
		2.6.13.x
		2.6.14.x
		2.6.15.x
		2.6.16.x
		2.6.17.1
		2.6.17.2
		2.6.17.3
		2.6.17.4
		2.6.17.5
		2.6.17.6

References

Bugtraq ID: 18992
CVE ID: 2006-3626 (see also: NVD)
Secunia Advisory ID: 21041 21057 21073 21119 21123 21179 21498 21605 22174
SCIP VulDB ID: 2379
ISS X-Force ID: 27790
VUPEN Advisory: ADV-2006-2816
Mail List Post: http://archives.neohapsis.com/archives/fulldisclosure/2006-07/0310.html
http://archives.neohapsis.com/archives/fulldisclosure/2006-07/0313.html
http://archives.neohapsis.com/archives/fulldisclosure/2006-07/0317.html
http://archives.neohapsis.com/archives/fulldisclosure/2006-07/0324.html
Generic Exploit URL: http://lists.grok.org.uk/pipermail/full-disclosure/attachments/20060714/c403c6c1/h00lyshit.bin
Vendor Specific Advisory URL: http://lists.rpath.com/pipermail/security-announce/2006-July/000057.html
http://lists.suse.com/archive/suse-security-announce/2006-Aug/0005.html
http://lists.suse.com/archive/suse-security-announce/2006-Jul/0008.html
http://support.avaya.com/elmodocs2/security/ASA-2006-203.htm
http://www.ubuntu.com/usn/usn-319-1
Vendor Specific Solution URL: http://www.kernel.org/pub/linux/kernel/v2.6/
Other Advisory URL: http://www.mandriva.com/security/advisories?name=MDKSA-2006:124
http://www.us.debian.org/security/2006/dsa-1111
Vendor Specific News/Changelog Entry: https://bugzilla.redhat.com/bugzilla/show_bug.cgi?id=198973
RedHat RHSA: RHSA-2006:0617

Tools & Filters

	22264 22653 23875 27895 27896 29484

Credit

Joanna R. - h00lyshityahoo.ie -

CVSSv2 Score

CVSSv2 Base Score = 6.2
Source: nvd.nist.gov | Generated: 2006-07-19 | Disagree?

Blogs

This product uses the Daylife API but is not endorsed or certified by Daylife.

This section lists the latest news and blogs found via the daylife API (and for older items, the technorati API), which mention or otherwise discuss this vulnerability.

None found at this time

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