CVE-2022-0530

Publication date 9 February 2022

Last updated 24 July 2024

Ubuntu priority

Cvss 3 Severity Score

A flaw was found in Unzip. The vulnerability occurs during the conversion of a wide string to a local string that leads to a heap of out-of-bound write. This flaw allows an attacker to input a specially crafted zip file, leading to a crash or code execution.

Read the notes from the security team

Status

Show unmaintained releases

Package	Ubuntu Release	Status
unzip	22.04 LTS jammy	Fixed 6.0-26ubuntu3.1
	21.10 impish	Ignored end of life
	20.04 LTS focal	Fixed 6.0-25ubuntu1.1
	18.04 LTS bionic	Fixed 6.0-21ubuntu1.2
	16.04 LTS xenial	Fixed 6.0-20ubuntu1.1+esm1 Ubuntu Pro
	14.04 LTS trusty	Fixed 6.0-9ubuntu1.6+esm1 Ubuntu Pro

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Notes

mdeslaur

main Red Hat bug is private Debian has released updates for this CVE

Severity score breakdown

Parameter	Value
Base score	5.5 · Medium
Attack vector	Local
Attack complexity	Low
Privileges required	None
User interaction	Required
Scope	Unchanged
Confidentiality	None
Integrity impact	None
Availability impact	High
Vector	CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H

References

Related Ubuntu Security Notices (USN)

USN-5673-1
unzip vulnerabilities
13 October 2022