CVE-2017-7745 Information

Description

In Wireshark 2.2.0 to 2.2.5 and 2.0.0 to 2.0.11 the SIGCOMP dissector could go into an infinite loop triggered by packet injection or a malformed capture file. This was addressed in epan/dissectors/packet-sigcomp.c by correcting a memory-size check.

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/97627 https://bugs.wireshark.org/bugzilla/show_bug.cgi?id=13578 https://code.wireshark.org/review/gitweb?p=wireshark.git;a=commit;h=acd8e1a9b17ad274bea1e01e10e4481508a1cbf0 https://www.wireshark.org/security/wnpa-sec-2017-20.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