CVE-2017-9345 Information

Description

In Wireshark 2.2.0 to 2.2.6 and 2.0.0 to 2.0.12 the DNS dissector could go into an infinite loop. This was addressed in epan/dissectors/packet-dns.c by trying to detect self-referencing pointers.

CVSS Vector

CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

Reference

http://www.securityfocus.com/bid/98798 http://www.securitytracker.com/id/1038612 https://bugs.chromium.org/p/oss-fuzz/issues/detail?id=1206 https://bugs.wireshark.org/bugzilla/show_bug.cgi?id=13633 https://code.wireshark.org/review/gitweb?p=wireshark.git;a=commit;h=e280c9b637327a65d132bfe72d917b87e6844eb5 https://www.wireshark.org/security/wnpa-sec-2017-26.html

Attack Complexity

LOW

Privileges Required

NONE

User Interaction Required

NONE

Scope

NONE

Confidentiality Impact

UNCHANGED

Integrity Impact

NONE

Availability Impact

NONE

Base Score

HIGH

Base Severity

7.5