29570 : Multiple BSD systrace systrace_preprepl() Function Overflow
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Info

Last Modified
about 1 year ago

Percent Complete
100%

Disclosure
Oct 07, 2006

Discovery
Unknown

Dates

Exploit
Unknown

Solution
Unknown

Keywords

 No Keywords

Description

 A local overflow exists in OpenBSD and NetBSD. systrace fails to validate data passed to the systrace_preprepl function resulting in an integer overflow. With a specially crafted request, an attacker can cause a denial of service or read arbitrary kernel memory resulting in a loss of confidentiality and/or availability.

Classification

 Location: Local Access Required
Attack Type: Denial of Service, Input Manipulation
Impact: Loss of Confidentiality, Loss of Availability
Exploit: Exploit Unknown
Disclosure: OSVDB Verified

Solution

 For NetBSD, upgrade to the release indicated in the vendor advisory as it has been reported to fix this vulnerability.

OpenBSD has released a patch to address this vulnerability.

Products
NetBSD Foundation, Inc.
Watch-list
NetBSD
Watch-list
 2.0
2.1
3.0
3.0.1
2.0.x
OpenBSD
Watch-list
OpenBSD
Watch-list
 3.8
3.9

References

Credit
  • Chris Evans - chrisBrand New Doo Dooscary.beasts.org -

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