CVE-2016-6504

medium

Description

epan/dissectors/packet-ncp2222.inc in the NDS dissector in Wireshark 1.12.x before 1.12.13 does not properly maintain a ptvc data structure, which allows remote attackers to cause a denial of service (NULL pointer dereference and application crash) via a crafted packet.

References

http://openwall.com/lists/oss-security/2016/07/28/3

http://www.debian.org/security/2016/dsa-3648

http://www.securityfocus.com/bid/92164

http://www.securitytracker.com/id/1036480

http://www.wireshark.org/security/wnpa-sec-2016-40.html

https://bugs.wireshark.org/bugzilla/show_bug.cgi?id=12576

https://code.wireshark.org/review/gitweb?p=wireshark.git;a=commit;h=9eacbb4d48df647648127b9258f9e5aeeb0c7d99

https://www.exploit-db.com/exploits/40194/

Details

Source: MITRE

Published: 2016-08-06

Updated: 2017-09-03

Type: CWE-476

Risk Information

CVSS v2

Base Score: 4.3

Vector: AV:N/AC:M/Au:N/C:N/I:N/A:P

Impact Score: 2.9

Exploitability Score: 8.6

Severity: MEDIUM

CVSS v3

Base Score: 5.9

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

Impact Score: 3.6

Exploitability Score: 2.2

Severity: MEDIUM