High severity · published Jun 16, 2022
CVE-2022-31626
In PHP versions 7.4.x below 7.4.30, 8.0.x below 8.0.20, and 8.1.x below 8.1.7, when pdo_mysql extension with mysqlnd driver, if the third party is allowed to supply host to…
8.8
CVSS
58.1%
EPSS
No
On KEV
Description
In PHP versions 7.4.x below 7.4.30, 8.0.x below 8.0.20, and 8.1.x below 8.1.7, when pdo_mysql extension with mysqlnd driver, if the third party is allowed to supply host to connect to and the password for the connection, password of excessive length can trigger a buffer overflow in PHP, which can lead to a remote code execution vulnerability.
CVSS vector
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
Attack vector
Network
Complexity
Low
Privileges
Low
User interaction
None
Confidentiality
High
Integrity
High
Availability
High
Scope
Unchanged
Exploitation
Is it being used?
Exploit prediction (EPSS)58.1% · higher than 99% of CVEs
Exploited in the wildNo evidence yet
CISA KEVNot listed
Ransomware campaign useNot known
Affected products
Which versions
PH
PHP · PHP
7.4.0 before 7.4.30; 8.0.0 before 8.0.20; 8.1.0 before 8.1.7 · source: NVD
DL
Debian Linux · Debian
10.0; 11.0 · source: NVD
References
NVD
https://nvd.nist.gov/vuln/detail/CVE-2022-31626
CVE.org
https://www.cve.org/CVERecord?id=CVE-2022-31626
Exploit
https://bugs.php.net/bug.php?id=81719
Mailing List
https://lists.debian.org/debian-lts-announce/2022/12/msg00030.html
lists.fedoraproject.org
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/3T4MMEEZYYAEHPQMZDFN44PHORJWJFZQ/
lists.fedoraproject.org
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/ZZTZQKRGEYJT5UB4FGG3MOE72SQUHSL4/
Third Party Advisory
https://security.gentoo.org/glsa/202209-20
Third Party Advisory
https://security.netapp.com/advisory/ntap-20220722-0005/
More from PHP
9.8
CVE-2026-109618
RCE via OOM corruption
9.8
CVE-2024-4577
Argument Injection in PHP-CGI
9.8
CVE-2019-11043
Underflow in PHP-FPM can lead to RCE
9.8
CVE-2016-10033
The mailSend function in the isMail transport in PHPMailer before 5.2.18 might allow remote attackers to pass extra parameters to the mail command and consequently execute…
9.8
CVE-2012-1823
PHP-CGI Query String Parameter Vulnerability