Bug 2098523 (CVE-2022-31626)

Summary:	CVE-2022-31626 php: password of excessive length triggers buffer overflow leading to RCE
Product:	[Other] Security Response	Reporter:	TEJ RATHI <trathi>
Component:	vulnerability	Assignee:	Red Hat Product Security <security-response-team>
Status:	CLOSED ERRATA	QA Contact:
Severity:	high	Docs Contact:
Priority:	high
Version:	unspecified	CC:	fedora, hhorak, jorton, rcollet
Target Milestone:	---	Keywords:	Security
Target Release:	---
Hardware:	All
OS:	Linux
Whiteboard:
Fixed In Version:	php-7.4.30, php-8.0.20, php-8.1.7	Doc Type:	If docs needed, set a value
Doc Text:	A buffer overflow vulnerability was found in PHP when processing passwords in mysqlnd/pdo in mysqlnd_wireprotocol.c. When using the pdo_mysql extension with mysqlnd driver, if the third party is allowed to supply a MySQL database server password in the mysqlnd driver to the host for the connection, a password of excessive length can trigger a buffer overflow in PHP. This flaw allows a remote attacker to pass a password (with an excessive length) via PDO to the MySQL server, triggering arbitrary code execution on the target system.	Story Points:	---
Clone Of:		Environment:
Last Closed:	2022-07-04 16:12:39 UTC	Type:	---
Regression:	---	Mount Type:	---
Documentation:	---	CRM:
Verified Versions:		Category:	---
oVirt Team:	---	RHEL 7.3 requirements from Atomic Host:
Cloudforms Team:	---	Target Upstream Version:
Embargoed:
Bug Depends On:	2098528, 2098538, 2098539, 2098540, 2098541, 2098542, 2098543, 2098544, 2098545, 2098546, 2098547, 2098548, 2098549, 2098550, 2098551
Bug Blocks:	2097923

Description TEJ RATHI 2022-06-20 04:50:46 UTC

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. 

References:
https://bugs.php.net/bug.php?id=81719
https://github.com/php/php-src/commit/58006537fc5f133ae8549efe5118cde418b3ace9

Comment 1 Sandipan Roy 2022-06-20 05:02:17 UTC

Created php tracking bugs for this issue:

Affects: fedora-all [bug 2098528]

Comment 4 errata-xmlrpc 2022-06-30 23:17:34 UTC

This issue has been addressed in the following products:

  Red Hat Enterprise Linux 8.4 Extended Update Support

Via RHSA-2022:5471 https://access.redhat.com/errata/RHSA-2022:5471

Comment 5 errata-xmlrpc 2022-06-30 23:21:22 UTC

This issue has been addressed in the following products:

  Red Hat Enterprise Linux 8

Via RHSA-2022:5467 https://access.redhat.com/errata/RHSA-2022:5467

Comment 6 errata-xmlrpc 2022-06-30 23:21:30 UTC

This issue has been addressed in the following products:

  Red Hat Enterprise Linux 8

Via RHSA-2022:5468 https://access.redhat.com/errata/RHSA-2022:5468

Comment 7 errata-xmlrpc 2022-07-04 07:43:23 UTC

This issue has been addressed in the following products:

  Red Hat Software Collections for Red Hat Enterprise Linux 7

Via RHSA-2022:5491 https://access.redhat.com/errata/RHSA-2022:5491

Comment 8 Product Security DevOps Team 2022-07-04 16:12:38 UTC

This bug is now closed. Further updates for individual products will be reflected on the CVE page(s):

https://access.redhat.com/security/cve/cve-2022-31626

Comment 9 errata-xmlrpc 2022-08-04 10:33:29 UTC

This issue has been addressed in the following products:

  Red Hat Enterprise Linux 9

Via RHSA-2022:5904 https://access.redhat.com/errata/RHSA-2022:5904