CVE-2022-4900

2023-11-0216:15:00

Debian Security Bug Tracker

security-tracker.debian.org

php

vulnerability

environment variable

buffer overflow

unix

5.5 Medium

CVSS3

Attack Vector

LOCAL

Attack Complexity

LOW

Privileges Required

LOW

User Interaction

NONE

Scope

UNCHANGED

Confidentiality Impact

NONE

Integrity Impact

NONE

Availability Impact

HIGH

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

6.7 Medium

AI Score

Confidence

Low

1.7 Low

CVSS2

Access Vector

LOCAL

Access Complexity

LOW

Authentication

SINGLE

Confidentiality Impact

NONE

Integrity Impact

NONE

Availability Impact

PARTIAL

AV:L/AC:L/Au:S/C:N/I:N/A:P

0.001 Low

EPSS

Percentile

27.9%

JSON

A vulnerability was found in PHP where setting the environment variable PHP_CLI_SERVER_WORKERS to a large value leads to a heap buffer overflow.

OSVersionArchitecturePackageVersionFilename
Debian10allphp7.3< 7.3.31-1~deb10u1php7.3_7.3.31-1~deb10u1_all.deb
Debian11allphp7.4<= 7.4.33-1+deb11u4php7.4_7.4.33-1+deb11u4_all.deb
Debian12allphp8.2< 8.2.7-1~deb12u1php8.2_8.2.7-1~deb12u1_all.deb
Debian999allphp8.2< 8.2.18-1php8.2_8.2.18-1_all.deb
Debian13allphp8.2< 8.2.18-1php8.2_8.2.18-1_all.deb

OS	Version	Architecture	Package	Version	Filename
Debian	10	all	php7.3	< 7.3.31-1~deb10u1	php7.3_7.3.31-1~deb10u1_all.deb
Debian	11	all	php7.4	<= 7.4.33-1+deb11u4	php7.4_7.4.33-1+deb11u4_all.deb
Debian	12	all	php8.2	< 8.2.7-1~deb12u1	php8.2_8.2.7-1~deb12u1_all.deb
Debian	999	all	php8.2	< 8.2.18-1	php8.2_8.2.18-1_all.deb
Debian	13	all	php8.2	< 8.2.18-1	php8.2_8.2.18-1_all.deb