20760 : Multiple BSD procfs /proc/[pid]/ setuid Binary Privileged Command Execution
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Info

Last Modified
6 months ago

Percent Complete
100%

Disclosure
Jan 21, 2000

Discovery
Unknown

Dates

Exploit
Jan 21, 2000

Solution
Unknown

Description

 Multiple BSD OSs contain a flaw that may allow a malicious user to gain access to unauthorized privileges. The issue is triggered when a malicious user modifies the /proc/pid/mem interface via a modified file descriptor for stderr. This flaw may lead to a loss of integrity.

Classification

 Location: Local Access Required
Attack Type: Input Manipulation
Impact: Loss of Integrity
Exploit: Exploit Available
Disclosure: OSVDB Verified

Solution

 Upgrade to OpenBSD version 2.7 or higher, as it has been reported to fix this vulnerability.

FreeBSD and NetBSD have released patches to address this vulnerability.

Products
FreeBSD Project
Watch-list
FreeBSD
Watch-list
 2.x
3.0
3.1
3.2
3.3
3.4
1.x
NetBSD Foundation, Inc.
Watch-list
NetBSD
Watch-list
 1.3
1.3.x
1.4
1.0
1.1
1.4.x
1.2.1
1.2
OpenBSD
Watch-list
OpenBSD
Watch-list
 2.0
2.1
2.2
2.3
2.4
2.5
2.6

References

Credit
  • FEAR Advisories - fear-advBrand New Doo Doofear.com.pl -

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