CVE-2018-7420 Information

Description

In Wireshark 2.2.0 to 2.2.12 and 2.4.0 to 2.4.4 the pcapng file parser could crash. This was addressed in wiretap/pcapng.c by adding a block-size check for sysdig event blocks.

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/103163 https://bugs.wireshark.org/bugzilla/show_bug.cgi?id=14403 https://code.wireshark.org/review/gitweb?p=wireshark.git;a=commit;h=129e41f9f63885ad8224ef413c2860788fb9e849 https://lists.debian.org/debian-lts-announce/2018/04/msg00018.html https://lists.debian.org/debian-lts-announce/2019/01/msg00010.html https://www.wireshark.org/security/wnpa-sec-2018-11.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