2649 : FreeBSD procfs / linprocfs Local Overflow Kernel Memory Disclosure
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Info

Last Modified
10 months ago

Percent Complete
100%

Disclosure
Oct 03, 2003

Discovery
Unknown

Dates

Exploit
Unknown

Solution
Unknown

Description

 FreeBSD contains a flaw that may lead to an unauthorized information disclosure. The issue is triggered when a malicious user overflows a buffer of the "uio" offset parameter in the process file system (procfs) and Linux process file system (linprocfs), which will disclose the kernel memory resulting in a loss of confidentiality.

Classification

 Location: Local Access Required
Attack Type: Input Manipulation
Impact: Loss of Confidentiality
Exploit: Exploit Rumored / Private
Disclosure: OSVDB Verified

Solution

 Upgrade to version 4-STABLE, or to the RELENG_5_1, RELENG_4_8, or RELENG_4_7 security branch or higher, as it has been reported to fix this vulnerability. Also, FreeBSD has released a patch.

Products
FreeBSD Project
Watch-list
FreeBSD
Watch-list
 3.x
2.x
4.x
1.x
5.0.x
5.1.x

References

Credit
  • Joost Pol - joostBrand New Doo Doopine.nl -

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