22731 : FreeBSD Buffer Length Logic Error Arbitrary Kernel Memory Disclosure
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Views This Week	Views All Time	Added to OSVDB	Last Modified	Modified (since 2008)	Percent Complete
5	466	over 6 years ago	over 3 years ago	0 times	85%

Timeline

Disclosure Date
2006-01-25

Keywords

FreeBSD-SA-06:06.kmem

Description

FreeBSD contains a flaw that may lead to an unauthorized information disclosure. The issue is triggered when a logic error in computing a buffer length may allow too much data to be copied into userland, which may disclose portions of kernel memory resulting in a loss of confidentiality.

Classification

Location: Local Access Required
Attack Type: Information Disclosure
Impact: Loss of Confidentiality
Disclosure: OSVDB Verified

Solution

Upgrade to version 5-STABLE or 6-STABLE, or to the RELENG_6_0 security branch dated after the correction date, as it has been reported to fix this vulnerability. In addition, FreeBSD has released a patch for some older versions.

Products

FreeBSD Project	FreeBSD	5.4-STABLE
		6.0

References

Security Tracker: 1015541
Bugtraq ID: 16373
Secunia Advisory ID: 18599
CVE ID: 2006-0380 (see also: NVD)
Related OSVDB ID: 22730
Keyword: FreeBSD-SA-06:06.kmem
Other Advisory URL: ftp://ftp.freebsd.org/pub/FreeBSD/CERT/advisories/FreeBSD-SA-06:06.kmem.asc
Vendor Specific Solution URL: ftp://ftp.freebsd.org/pub/FreeBSD/CERT/patches/SA-06:06/kmem.patch ftp://ftp.freebsd.org/pub/FreeBSD/CERT/patches/SA-06:06/kmem.patch.asc ftp://ftp.freebsd.org/pub/FreeBSD/CERT/patches/SA-06:06/kmem60.patch ftp://ftp.freebsd.org/pub/FreeBSD/CERT/patches/SA-06:06/kmem60.patch.asc
Mail List Post: http://archives.neohapsis.com/archives/bugtraq/2006-01/0405.html
Vendor URL: http://www.freebsd.org/

Credit

Xin LI - delphijfrontfree.net -
Karl Janmar -

CVSSv2 Score

CVSSv2 Base Score = 2.1
Source: nvd.nist.gov | Generated: 2006-01-26 | 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.

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