CVE-2017-7745

HIGH

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.

References

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

Details

Source: MITRE

Published: 2017-04-12

Updated: 2017-04-18

Type: CWE-399

Risk Information

CVSS v2.0

Base Score: 7.8

Vector: (AV:N/AC:L/Au:N/C:N/I:N/A:C)

Impact Score: 6.9

Exploitability Score: 10

Severity: HIGH

CVSS v3.0

Base Score: 7.5

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

Impact Score: 3.6

Exploitability Score: 3.9

Severity: HIGH