84785 : Wireshark ERF Dissector Malformed Packet Parsing Multiple Overflow
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Views This Week	Views All Time	Added to OSVDB	Last Modified	Modified (since 2008)	Percent Complete
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Timeline

Disclosure Date
2012-08-15

Description

Wireshark is prone to multiple overflow conditions. The ERF dissector fails to properly sanitize user-supplied input resulting in multiple buffer overflows. With a specially crafted packet, a remote attacker can potentially execute arbitrary code or cause a denial of service.

Classification

Location: Remote / Network Access
Attack Type: Input Manipulation
Impact: Loss of Integrity
Solution: Upgrade
Exploit: Exploit Unknown
Disclosure: Vendor Verified

Solution

Upgrade to version 1.8.2 or higher, as it has been reported to fix this vulnerability. An upgrade is required as there are no known workarounds.

Products

Wireshark Foundation	Wireshark	1.8.0
		1.8.1

References

Security Tracker: 1027404
CVE ID: 2012-4294 (see also: NVD) 2012-4295 (see also: NVD)
Secunia Advisory ID: 50276 51363
Bugtraq ID: 55035
Related OSVDB ID: 84776 84777 84778 84779 84780 84781 84782 84783 84784 84786 84787 84788
Vendor Specific News/Changelog Entry: http://anonsvn.wireshark.org/viewvc/trunk/epan/dissectors/packet-erf.c?r1=44377&r2=44376&pathrev=44377
http://anonsvn.wireshark.org/viewvc/trunk/epan/dissectors/packet-erf.c?r1=44419&r2=44418&pathrev=44419
http://anonsvn.wireshark.org/viewvc?view=revision&revision=44377
http://anonsvn.wireshark.org/viewvc?view=revision&revision=44419
https://bugs.wireshark.org/bugzilla/show_bug.cgi?id=7563
Vendor URL: http://www.wireshark.org/
Vendor Specific Advisory URL: http://www.wireshark.org/security/wnpa-sec-2012-16.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? | There are 1 more: View All

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