80711 : Wireshark ANSI A Dissector Malformed Packet Handling NULL Pointer Dereference Remote DoS
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Views This Week	Views All Time	Added to OSVDB	Last Modified	Modified (since 2008)	Percent Complete
8	660	about 1 year ago	11 months ago	12 times	100%

Timeline

Disclosure Date
2012-03-27

Description

Wireshark contains a flaw that may allow a remote denial of service. The issue is triggered when a remote attacker uses a specially crafted packet to cause a NULL pointer dereference error in the ANSI A dissector.

Classification

Location: Remote / Network Access
Attack Type: Denial of Service
Impact: Loss of Availability
Solution: Upgrade
Disclosure: Vendor Verified

Solution

Upgrade to version 1.4.12 or 1.6.6 or higher, as they have been reported to fix this vulnerability. An upgrade is required as there are no known workarounds.

Products

Wireshark Foundation	Wireshark	1.4.0
		1.4.1
		1.4.2
		1.4.3
		1.4.4
		1.4.5
		1.4.6
		1.4.7
		1.4.8
		1.4.9
		1.4.10
		1.4.11
		1.6.0
		1.6.1
		1.6.2
		1.6.3
		1.6.4
		1.6.5

References

Security Tracker: 1026874
Exploit Database: 18758
CVE ID: 2012-1593 (see also: NVD)
Secunia Advisory ID: 48548 48986
Bugtraq ID: 52735
ISS X-Force ID: 74361
Related OSVDB ID: 80712 80713 80714
Vendor Specific News/Changelog Entry: http://anonsvn.wireshark.org/viewvc?view=revision&revision=40962
http://lists.opensuse.org/opensuse-updates/2012-04/msg00060.html
https://bugs.wireshark.org/bugzilla/show_bug.cgi?id=6823
Packet Storm: http://packetstormsecurity.org/files/111990/Wireshark-call_dissector-Denial-Of-Service.html
Other Advisory URL: http://www.openwall.com/lists/oss-security/2012/03/28/13
Vendor Specific Advisory URL: http://www.wireshark.org/security/wnpa-sec-2012-04.html

Credit

Not Available

CVSSv2 Score

CVSSv2 Base Score = 3.3
Source: nvd.nist.gov | Generated: 2012-04-11 | Disagree?

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