OpenBSD 'getsockopt(2)' NULL Pointer Dereference Remote Denial of Service Vulnerability

BID:36859

Info

OpenBSD 'getsockopt(2)' NULL Pointer Dereference Remote Denial of Service Vulnerability

Bugtraq ID: 36859
Class: Unknown
CVE:
Remote: Yes
Local: No
Published: Oct 28 2009 12:00AM
Updated: Oct 29 2009 06:47PM
Credit: Clement LECIGNE
Vulnerable: OpenBSD OpenBSD 2.9
OpenBSD OpenBSD 2.8
OpenBSD OpenBSD 2.7
OpenBSD OpenBSD 2.6
OpenBSD OpenBSD 2.5
OpenBSD OpenBSD 2.4
OpenBSD OpenBSD 2.3
OpenBSD OpenBSD 2.2
OpenBSD OpenBSD 2.1
OpenBSD OpenBSD 4.6
OpenBSD OpenBSD 4.5
OpenBSD OpenBSD 4.4
OpenBSD OpenBSD 4.3
OpenBSD OpenBSD 4.2
OpenBSD OpenBSD 4.1
OpenBSD OpenBSD 4.0
OpenBSD OpenBSD 3.9
OpenBSD OpenBSD 3.8
OpenBSD OpenBSD 3.7
OpenBSD OpenBSD 3.6
OpenBSD OpenBSD 3.5
OpenBSD OpenBSD 3.4
OpenBSD OpenBSD 3.3
OpenBSD OpenBSD 3.2
OpenBSD OpenBSD 3.1
OpenBSD OpenBSD 3.0
Not Vulnerable:

Discussion

OpenBSD 'getsockopt(2)' NULL Pointer Dereference Remote Denial of Service Vulnerability

OpenBSD is prone to a remote denial-of-service vulnerability because of a NULL-pointer dereference error.

Attackers can exploit this issue to crash the kernel.

This issue affects OpenBSD 4.6 and earlier.

Exploit / POC

OpenBSD 'getsockopt(2)' NULL Pointer Dereference Remote Denial of Service Vulnerability

Currently we are not aware of any working exploits. If you feel we are in error or if you are aware of more recent information, please mail us at: [email protected].

Solution / Fix

OpenBSD 'getsockopt(2)' NULL Pointer Dereference Remote Denial of Service Vulnerability

Solution:
Patches are available. Please see the references for details.


OpenBSD OpenBSD 3.5

OpenBSD OpenBSD 3.8

OpenBSD OpenBSD 4.3

OpenBSD OpenBSD 4.1

OpenBSD OpenBSD 3.3

OpenBSD OpenBSD 4.5

OpenBSD OpenBSD 3.2

OpenBSD OpenBSD 3.7

OpenBSD OpenBSD 3.1

OpenBSD OpenBSD 3.6

OpenBSD OpenBSD 3.9

OpenBSD OpenBSD 3.0

OpenBSD OpenBSD 4.6

OpenBSD OpenBSD 4.0

OpenBSD OpenBSD 4.4

OpenBSD OpenBSD 3.4

OpenBSD OpenBSD 4.2

OpenBSD OpenBSD 2.1

OpenBSD OpenBSD 2.2

OpenBSD OpenBSD 2.3

OpenBSD OpenBSD 2.4

OpenBSD OpenBSD 2.5

OpenBSD OpenBSD 2.6

OpenBSD OpenBSD 2.7

OpenBSD OpenBSD 2.8

OpenBSD OpenBSD 2.9

References

OpenBSD 'getsockopt(2)' NULL Pointer Dereference Remote Denial of Service Vulnerability

References:

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