CVE-2022-31628

Published: 28 September 2022

In PHP versions before 7.4.31, 8.0.24 and 8.1.11, the phar uncompressor code would recursively uncompress "quines" gzip files, resulting in an infinite loop.

Notes

Author	Note
sbeattie	PEAR issues should go against php-pear as of xenial

Priority

Cvss 3 Severity Score

5.5

Score breakdown

Status

Package	Release	Status
php5 Launchpad, Ubuntu, Debian	trusty	Needed
	xenial	Does not exist
	bionic	Does not exist
	focal	Does not exist
	jammy	Does not exist
	upstream	Needs triage
php7.0 Launchpad, Ubuntu, Debian	trusty	Does not exist
	bionic	Does not exist
	focal	Does not exist
	jammy	Does not exist
	upstream	Needs triage
	xenial	Released (7.0.33-0ubuntu0.16.04.16+esm5) Available with Ubuntu Pro or Ubuntu Pro (Infra-only)
php7.2 Launchpad, Ubuntu, Debian	trusty	Does not exist
	xenial	Does not exist
	focal	Does not exist
	jammy	Does not exist
	upstream	Needs triage
	bionic	Released (7.2.24-0ubuntu0.18.04.15)
php7.4 Launchpad, Ubuntu, Debian	trusty	Does not exist
	xenial	Does not exist
	bionic	Does not exist
	focal	Released (7.4.3-4ubuntu2.15)
	jammy	Does not exist
	upstream	Needs triage
php8.1 Launchpad, Ubuntu, Debian	trusty	Does not exist
	xenial	Does not exist
	bionic	Does not exist
	focal	Does not exist
	lunar	Released (8.1.12-1ubuntu2)
	jammy	Released (8.1.2-1ubuntu2.8)
	kinetic	Released (8.1.7-1ubuntu3.1)
	upstream	Released (8.1.11)

Severity score breakdown

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

References

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