CVE-2023-3824

Published: 11 August 2023

In PHP version 8.0.* before 8.0.30, 8.1.* before 8.1.22, and 8.2.* before 8.2.8, when loading phar file, while reading PHAR directory entries, insufficient length checking may lead to a stack buffer overflow, leading potentially to memory corruption or RCE.

Notes

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

Priority

Cvss 3 Severity Score

9.8

Score breakdown

Status

Package	Release	Status
php5 Launchpad, Ubuntu, Debian	bionic	Does not exist
	focal	Does not exist
	jammy	Does not exist
	lunar	Does not exist
	mantic	Does not exist
	trusty	Needed
	upstream	Needed
	xenial	Does not exist
php7.0 Launchpad, Ubuntu, Debian	bionic	Does not exist
	focal	Does not exist
	jammy	Does not exist
	lunar	Does not exist
	mantic	Does not exist
	trusty	Does not exist
	upstream	Needed
	xenial	Released (7.0.33-0ubuntu0.16.04.16+esm8) Available with Ubuntu Pro or Ubuntu Pro (Infra-only)
php7.2 Launchpad, Ubuntu, Debian	bionic	Released (7.2.24-0ubuntu0.18.04.17+esm2) Available with Ubuntu Pro or Ubuntu Pro (Infra-only)
	focal	Does not exist
	jammy	Does not exist
	lunar	Does not exist
	mantic	Does not exist
	trusty	Does not exist
	upstream	Needed
	xenial	Does not exist
php7.4 Launchpad, Ubuntu, Debian	bionic	Does not exist
	focal	Released (7.4.3-4ubuntu2.20)
	jammy	Does not exist
	lunar	Does not exist
	mantic	Does not exist
	trusty	Does not exist
	upstream	Needed
	xenial	Does not exist
php8.1 Launchpad, Ubuntu, Debian	bionic	Does not exist
	focal	Does not exist
	jammy	Released (8.1.2-1ubuntu2.14)
	lunar	Released (8.1.12-1ubuntu4.3)
	mantic	Does not exist
	trusty	Does not exist
	upstream	Needs triage
	xenial	Does not exist
php8.2 Launchpad, Ubuntu, Debian	bionic	Ignored (end of standard support)
	focal	Does not exist
	jammy	Does not exist
	lunar	Does not exist
	mantic	Not vulnerable (8.2.10-2ubuntu1)
	trusty	Ignored (end of standard support)
	upstream	Released (8.2.10-1)
	xenial	Ignored (end of standard support)

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

References

Bugs

https://bugs.launchpad.net/ubuntu/+source/php7.4/+bug/2054511

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