CVE-2018-7420

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 v3.0 7.5 HIGH
CVSS v2.0 5.0 MEDIUM

7.5^/10

CVSS v3.0 : HIGH

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

Exploitability : 3.9 / Impact : 3.6

Attack Vector NETWORK

Attack Complexity LOW

Privileges Required NONE

User Interaction NONE

Confidentiality Impact NONE

Integrity Impact NONE

Availability Impact HIGH

Scope UNCHANGED

5.0^/10

CVSS v2.0 : MEDIUM

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

Exploitability : 10.0 / Impact : 2.9

Access Vector NETWORK

Access Complexity LOW

Authentication NONE

Confidentiality Impact NONE

Integrity Impact NONE

Availability Impact PARTIAL

References

Link	Resource
https://www.wireshark.org/security/wnpa-sec-2018-11.html	Vendor Advisory
https://code.wireshark.org/review/gitweb?p=wireshark.git;a=commit;h=129e41f9f63885ad8224ef413c2860788fb9e849	Patch Vendor Advisory
https://bugs.wireshark.org/bugzilla/show_bug.cgi?id=14403	Issue Tracking Vendor Advisory
http://www.securityfocus.com/bid/103163	Third Party Advisory VDB Entry
https://lists.debian.org/debian-lts-announce/2018/04/msg00018.html	Mailing List Third Party Advisory
https://lists.debian.org/debian-lts-announce/2019/01/msg00010.html	Mailing List Third Party Advisory

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Configurations

Configuration 1 (hide)

OR	cpe:2.3:a:wireshark:wireshark::::::::
	cpe:2.3:a:wireshark:wireshark::::::::

Configuration 2 (hide)

OR	cpe:2.3:o:debian:debian_linux:8.0:::::::*
	cpe:2.3:o:debian:debian_linux:7.0:::::::*

Information

Published : 2018-02-23 14:29

Updated : 2020-08-24 10:37

NVD link : CVE-2018-7420

Mitre link : CVE-2018-7420

JSON object : View

CWE

NVD-CWE-noinfo

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Products Affected

debian

debian_linux

wireshark

wireshark

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