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

CVE: CVE-2008-4682

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

See this note in RAW Version

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

References:

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