Wireshark 1.0.x Malformed .ncf packet capture Local Denial of Service

2008-10-22 / 2008-10-23
Credit: Shinnok
Risk: Medium
Local: No
Remote: Yes
CWE: CWE-20


CVSS Base Score: 5/10
Impact Subscore: 2.9/10
Exploitability Subscore: 10/10
Exploit range: Remote
Attack complexity: Low
Authentication: No required
Confidentiality impact: None
Integrity impact: None
Availability impact: Partial

Wireshark 1.0.x .ncf local denial of service author: Shinnok Description Wireshark 1.0.x crashes as a result of a failed assertion when dealing with a malformed Tamosoft CommView .ncf packet capture: Err file wtap.c: line 620 (wtap_read): assertion failed: (wth->phdr.pkt_encap != WTAP_ENCAP_PER_PACKET)

References:

http://www.securityfocus.com/bid/31838
https://bugs.wireshark.org/bugzilla/show_bug.cgi?id=2926
http://www.wireshark.org/security/wnpa-sec-2008-06.html
http://www.milw0rm.com/exploits/6622
http://www.frsirt.com/english/advisories/2008/2872
http://securitytracker.com/id?1021069
http://secunia.com/advisories/32355


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