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osvGoogleOSV:BIT-PHP-2021-21703
HistoryMar 06, 2024 - 11:05 a.m.

BIT-php-2021-21703

2024-03-0611:05:23
Google
osv.dev
11
php
vulnerability
privilege escalation
memory access

7 High

CVSS3

Attack Vector

LOCAL

Attack Complexity

HIGH

Privileges Required

LOW

User Interaction

NONE

Scope

UNCHANGED

Confidentiality Impact

HIGH

Integrity Impact

HIGH

Availability Impact

HIGH

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

6.8 Medium

AI Score

Confidence

High

6.9 Medium

CVSS2

Access Vector

LOCAL

Access Complexity

MEDIUM

Authentication

NONE

Confidentiality Impact

COMPLETE

Integrity Impact

COMPLETE

Availability Impact

COMPLETE

AV:L/AC:M/Au:N/C:C/I:C/A:C

0.001 Low

EPSS

Percentile

50.2%

JSON

In PHP versions 7.3.x up to and including 7.3.31, 7.4.x below 7.4.25 and 8.0.x below 8.0.12, when running PHP FPM SAPI with main FPM daemon process running as root and child worker processes running as lower-privileged users, it is possible for the child processes to access memory shared with the main process and write to it, modifying it in a way that would cause the root process to conduct invalid memory reads and writes, which can be used to escalate privileges from local unprivileged user to the root user.

CPENameOperatorVersion
phpge7.4.0
phplt7.3.31
phplt8.0.12
phplt7.4.25
phpge8.0.0
phpge7.3.0

Related

debian 5
nessus 26
openvas 23
osv 7
debiancve 1
fedora 3
altlinux 4
f5 1
cve 1
cbl_mariner 1
alpinelinux 1
ubuntu 1
veracode 1
prion 1
redhatcve 1
ubuntucve 1
mageia 1
redhat 2
suse 4
almalinux 1
oraclelinux 1
rocky 1
cloudlinux 2
ibm 1
gentoo 1
redos 1
oracle 2
debian
debian
[SECURITY] [DLA 2794-1] php7.0 security update
2021-10-27 10:46:54
[SECURITY] [DSA 4992-1] php7.4 security update
2021-10-25 20:20:43
[SECURITY] [DSA 4993-1] php7.3 security update
2021-10-25 20:25:37
nessus
nessus
EulerOS Virtualization 3.0.6.0 : php (EulerOS-SA-2022-1050)
2022-02-11 00:00:00
Ubuntu 16.04 ESM / 18.04 LTS / 20.04 LTS : PHP vulnerability (USN-5125-1)
2021-10-27 00:00:00
PHP 7.3.x < 7.3.32
2021-10-28 00:00:00
openvas
openvas
Fedora: Security Advisory for php (FEDORA-2021-9f68f5f752)
2021-10-30 00:00:00
Debian: Security Advisory (DSA-4992-1)
2021-10-27 00:00:00
Debian: Security Advisory (DSA-4993-1)
2021-10-27 00:00:00
osv
osv
php7.4 - security update
2021-10-25 00:00:00
php5, php7.0, php7.2, php7.4, php8.0 vulnerability
2021-10-27 21:50:28
CVE-2021-21703
2021-10-25 06:15:06
debiancve
debiancve
CVE-2021-21703
2021-10-25 06:15:00
fedora
fedora
[SECURITY] Fedora 34 Update: php-7.4.25-1.fc34
2021-10-28 19:32:00
[SECURITY] Fedora 33 Update: php-7.4.25-1.fc33
2021-10-28 19:31:32
[SECURITY] Fedora 35 Update: php-8.0.12-2.fc35
2021-11-03 01:12:32
altlinux
altlinux
Security fix for the ALT Linux 10 package php8.1 version 8.0.12-alt1
2021-10-28 00:00:00
Security fix for the ALT Linux 10 package php8.2 version 8.0.12-alt1
2021-10-28 00:00:00
Security fix for the ALT Linux 10 package php8.0 version 8.0.12-alt1
2021-11-02 00:00:00
f5
f5
K17839423 : PHP vulnerability CVE-2021-21703
2021-11-09 00:00:00
cve
cve
CVE-2021-21703
2021-10-25 06:15:00
cbl_mariner
cbl_mariner
CVE-2021-21703 affecting package php 7.4.14-3
2024-04-29 03:06:48
alpinelinux
alpinelinux
CVE-2021-21703
2021-10-25 06:15:00
ubuntu
ubuntu
PHP vulnerability
2021-10-27 00:00:00
veracode
veracode
Privilege Escalation
2021-10-22 03:13:17
prion
prion
Code injection
2021-10-25 06:15:00
redhatcve
redhatcve
CVE-2021-21703
2021-10-21 21:02:35
ubuntucve
ubuntucve
CVE-2021-21703
2021-10-21 00:00:00
mageia
mageia
Updated php packages fix security vulnerability
2021-10-31 14:12:48
redhat
redhat
(RHSA-2022:1935) Moderate: php:7.4 security update
2022-05-10 06:39:36
(RHSA-2022:5491) Important: rh-php73-php security and bug fix update
2022-07-04 07:07:16
suse
suse
Recommended update for php7 (moderate)
2021-12-06 00:00:00
Recommended update for php7 (moderate)
2021-12-10 00:00:00
Security update for php8 (important)
2022-10-19 00:00:00
almalinux
almalinux
Moderate: php:7.4 security update
2022-05-10 00:00:00
oraclelinux
oraclelinux
php:7.4 security update
2022-05-17 00:00:00
rocky
rocky
php:7.4 security update
2022-05-10 06:39:36
cloudlinux
cloudlinux
Fix of CVE: CVE-2021-21704, CVE-2021-21703, CVE-2021-21705
2021-11-23 13:13:13
Fix of CVE: CVE-2021-21705, CVE-2021-21704, CVE-2021-21703
2021-11-10 18:27:35
ibm
ibm
Security Bulletin: Vulnerabilities in PHP may affect IBM Spectrum Sentinel Anomaly Scan Engine (CVE-2021-21703, CVE-2021-21708, CVE-2021-21707, CVE-2022-31629, CVE-2022-31628)
2022-12-16 17:01:05
gentoo
gentoo
PHP: Multiple Vulnerabilities
2022-09-29 00:00:00
redos
redos
ROS-20220826-01
2022-08-26 00:00:00
oracle
oracle
Oracle Critical Patch Update Advisory - January 2022
2022-01-18 00:00:00
Oracle Critical Patch Update Advisory - April 2022
2022-04-19 00:00:00

7 High

CVSS3

Attack Vector

LOCAL

Attack Complexity

HIGH

Privileges Required

LOW

User Interaction

NONE

Scope

UNCHANGED

Confidentiality Impact

HIGH

Integrity Impact

HIGH

Availability Impact

HIGH

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

6.8 Medium

AI Score

Confidence

High

6.9 Medium

CVSS2

Access Vector

LOCAL

Access Complexity

MEDIUM

Authentication

NONE

Confidentiality Impact

COMPLETE

Integrity Impact

COMPLETE

Availability Impact

COMPLETE

AV:L/AC:M/Au:N/C:C/I:C/A:C

0.001 Low

EPSS

Percentile

50.2%

JSON
Related for OSV:BIT-PHP-2021-21703
debian5nessus26openvas23osv7debiancve1fedora3altlinux4f51cve1cbl_mariner1alpinelinux1ubuntu1veracode1prion1redhatcve1ubuntucve1mageia1redhat2suse4almalinux1oraclelinux1rocky1cloudlinux2ibm1gentoo1redos1oracle2