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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

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

Priority

Medium

Cvss 3 Severity Score

9.8

Score breakdown

Status

Package Release Status
php5
Launchpad, Ubuntu, Debian
xenial Does not exist

bionic Does not exist

focal Does not exist

jammy Does not exist

lunar Does not exist

trusty Needed

mantic Does not exist

upstream Needed

php7.0
Launchpad, Ubuntu, Debian
trusty Does not exist

bionic Does not exist

focal Does not exist

jammy Does not exist

lunar Does not exist

mantic Does not exist

upstream Needed

xenial Needed

php7.2
Launchpad, Ubuntu, Debian
trusty Does not exist

xenial Does not exist

focal Does not exist

jammy Does not exist

lunar Does not exist

mantic Does not exist

bionic Needed

upstream Needed

php7.4
Launchpad, Ubuntu, Debian
trusty Does not exist

xenial Does not exist

bionic Does not exist

jammy Does not exist

lunar Does not exist

mantic Does not exist

focal Needed

upstream Needed

php8.1
Launchpad, Ubuntu, Debian
trusty Does not exist

xenial Does not exist

bionic Does not exist

focal Does not exist

upstream Needs triage

jammy
Released (8.1.2-1ubuntu2.14)
lunar
Released (8.1.12-1ubuntu4.3)
mantic Does not exist

php8.2
Launchpad, Ubuntu, Debian
trusty Ignored
(end of standard support)
xenial Ignored
(end of standard support)
bionic Ignored
(end of standard support)
focal Does not exist

jammy Does not exist

lunar Does not exist

upstream
Released (8.2.10-1)
mantic Not vulnerable
(8.2.10-2ubuntu1)

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