84787 : Wireshark EtherCAT Mailbox Dissector Malformed Packet Parsing Remote DoS
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Timeline

Disclosure Date
2012-08-16

Description

Wireshark contains a flaw that may allow a remote denial of service. The issue is triggered when an error occurs in the EtherCAT Mailbox dissector during the parsing of a malformed packet. This will result in loss of availability for the program.

Classification

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

Solution

Upgrade to version 1.8.2, 1.6.10 or 1.4.15 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	1.4.11
		1.4.13
		1.4.10
		1.4.1
		1.4.9
		1.6.1
		1.4.8
		1.6.6
		1.4.3
		1.4.7
		1.6.7
		1.4.4
		1.4.6
		1.4.5
		1.4.12
		1.6.2
		1.6.3
		1.6.4
		1.6.5
		1.6.8
		1.4.2
		1.4.0
		1.4.14
		1.6.0
		1.6.9
		1.8.0
		1.8.1

References

Security Tracker: 1027404
CVE ID: 2012-4293 (see also: NVD)
Secunia Advisory ID: 50276 50347 51363
Bugtraq ID: 55035
Related OSVDB ID: 84776 84777 84778 84779 84780 84781 84782 84783 84784 84785 84786 84788
Vendor Specific News/Changelog Entry: http://anonsvn.wireshark.org/viewvc/trunk/plugins/ethercat/packet-ecatmb.c?r1=43149&r2=43148&pathrev=43149
http://anonsvn.wireshark.org/viewvc?view=revision&revision=43149
http://lists.opensuse.org/opensuse-updates/2012-08/msg00033.html
https://bugs.wireshark.org/bugzilla/show_bug.cgi?id=7562
Vendor URL: http://www.wireshark.org/
Vendor Specific Advisory URL: http://www.wireshark.org/security/wnpa-sec-2012-22.html
https://blogs.oracle.com/sunsecurity/entry/multiple_vulnerabilities_in_wireshark3
Other Advisory URL: https://hermes.opensuse.org/messages/15514562

Credit

Laurent Butti

CVSSv2 Score

CVSSv2 Base Score = 3.3
Source: nvd.nist.gov | Generated: 2012-08-16 | Disagree?

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