CVE-2018-6836

Published: 8 February 2018

The netmonrec_comment_destroy function in wiretap/netmon.c in Wireshark through 2.4.4 performs a free operation on an uninitialized memory address, which allows remote attackers to cause a denial of service (application crash) or possibly have unspecified other impact.

Priority

Cvss 3 Severity Score

9.8

Score breakdown

Status

Package	Release	Status
wireshark Launchpad, Ubuntu, Debian	artful	Ignored (end of life)
	bionic	Released (2.6.3-1~ubuntu18.04.1)
	trusty	Released (2.6.3-1~ubuntu14.04.1)
	upstream	Needs triage
	xenial	Released (2.6.3-1~ubuntu16.04.1)

Severity score breakdown

Parameter	Value
Base score	9.8
Attack vector	Network
Attack complexity	Low
Privileges required	None
User interaction	None
Scope	Unchanged
Confidentiality	High
Integrity impact	High
Availability impact	High
Vector	CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

References

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