22293 : Multiple BSD kernfs lseek(2) Function Arbitrary Memory Disclosure
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Info

Last Modified
about 1 year ago

Percent Complete
100%

Disclosure
Jan 09, 2006

Discovery
Unknown

Dates

Exploit
Unknown

Solution
Unknown

Keywords

 NetBSD Security Advisory 2006-001

Description

 NetBSD contains a flaw that may lead to an unauthorized information disclosure. The issue is triggered when the lseek system call for the kernfs file system has insufficient bounds checking, which will disclose arbitrary memory information 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

 Currently, there are no known upgrades or patches to correct this issue. It is possible to correct the flaw by implementing the following workaround: download 'kernfs_vnops.c' from CVS, then rebuild and reinstall the kernel.

Products
NetBSD Foundation, Inc.
Watch-list
NetBSD
Watch-list
 1.6
1.6.1
2.0
1.6.2
2.0.1
2.0.2
2.0.3
2.1
OpenBSD
Watch-list
OpenBSD
Watch-list
 3.8

References

Credit
  • Ejovi Nuwere - ejoviBrand New Doo Doosecuritylab.net -

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