CVE-2022-38223

Published: 15 August 2022

There is an out-of-bounds write in checkType located in etc.c in w3m 0.5.3. It can be triggered by sending a crafted HTML file to the w3m binary. It allows an attacker to cause Denial of Service or possibly have unspecified other impact.

Priority

Cvss 3 Severity Score

7.8

Score breakdown

Status

Package	Release	Status
w3m Launchpad, Ubuntu, Debian	bionic	Released (0.5.3-36ubuntu0.1)
	focal	Released (0.5.3-37ubuntu0.1)
	jammy	Released (0.5.3+git20210102-6ubuntu0.1)
	kinetic	Released (0.5.3+git20220429-1ubuntu0.1)
	trusty	Released (0.5.3-15ubuntu0.2+esm1)
	upstream	Needs triage
	xenial	Needs triage
	Patches: upstream: https://github.com/tats/w3m/commit/419ca82d57c72242817b55e2eaa4cdbf6916e7fa

Severity score breakdown

Parameter	Value
Base score	7.8
Attack vector	Local
Attack complexity	Low
Privileges required	None
User interaction	Required
Scope	Unchanged
Confidentiality	High
Integrity impact	High
Availability impact	High
Vector	CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H

References

Bugs

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