22730 : FreeBSD Uninitialized Buffer Arbitrary Kernel Memory Disclosure
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Info

Last Modified
about 1 year ago

Percent Complete
100%

Disclosure
Jan 25, 2006

Discovery
Unknown

Dates

Exploit
Unknown

Solution
Unknown

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 buffer allocated from the kernel stack is not completely initialized before being copied to 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
Exploit: Exploit Unavailable
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
Watch-list
FreeBSD
Watch-list
 6.0
5.4-STABLE

References

Credit
  • Xin LI - delphijBrand New Doo Doofrontfree.net -
  • Karl Janmar -

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