CVE-2018-18384

Publication date 16 October 2018

Last updated 24 July 2024

Ubuntu priority

Cvss 3 Severity Score

Info-ZIP UnZip 6.0 has a buffer overflow in list.c, when a ZIP archive has a crafted relationship between the compressed-size value and the uncompressed-size value, because a buffer size is 10 and is supposed to be 12.

Read the notes from the security team

Status

Show unmaintained releases

Package	Ubuntu Release	Status
unzip	20.10 groovy	Not affected
	20.04 LTS focal	Not affected
	19.10 eoan	Not affected
	19.04 disco	Not affected
	18.10 cosmic	Not affected
	18.04 LTS bionic	Not affected
	16.04 LTS xenial	Not affected
	14.04 LTS trusty	Fixed 6.0-9ubuntu1.6 Ubuntu Pro

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Notes

mdeslaur

Debian fixed this with the 07-increase-size-of-cfactorstr patch in 6.0-11 to fix debian bug #741384

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