5308 : Multiple BSD Broadcast Address Filter Bypass
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Info

Last Modified
5 months ago

Percent Complete
100%

Disclosure
Feb 16, 2002

Discovery
Unknown

Dates

Exploit
Unknown

Solution
Unknown

Description

 Multiple BSD OSs contain a flaw that may allow a malicious attacker to bypass firewall rulesets. The issue is triggered when a packet is sent with a unicast link-layer address that contains an IP broadcast address. It is possible that the flaw may allow a TCP connection to a broadcast address resulting in a loss of integrity.

Classification

 Location: Local Access Required, Remote/Network Access Required
Attack Type: Infrastructure
Impact: Loss of Integrity
Exploit: Exploit Unavailable
Disclosure: OSVDB Verified

Solution

 Upgrade to IRIX version 6.5.17 or higher, as it has been reported to fix this vulnerability. In addition, Apple, FreeBSD, NetBSD and OpenBSD have released patches for some older versions.

Products
Apple Computer, Inc.
Watch-list
Mac OS X
Watch-list
 10.1
10.1.1
10.1.2
10.1.3
10.0
FreeBSD Project
Watch-list
FreeBSD
Watch-list
 3.x
4.0
2.x
4.1
4.1.1
4.2
4.3
4.4
4.5
NetBSD Foundation, Inc.
Watch-list
NetBSD
Watch-list
 1.2.x
1.3.x
1.5
1.5.1
1.5.2
1.0
1.1
1.4.x
1.5 sh3
1.5 x86
OpenBSD
Watch-list
OpenBSD
Watch-list
 3.0
2.x
SGI
Watch-list
IRIX
Watch-list
 6.5
6.5.1
6.5.2
6.5.3
6.5.4
6.5.5
6.5.6
6.5.7
6.5.8
6.5.9
6.5.10
6.5.11
6.5.12
6.5.13
6.5.14
6.5.15
6.5.16

References

Credit
  • Crist J. Clark - cjclarkBrand New Doo Dooalum.mit.edu -

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