Improper Authentication in ADOdb - CVE-2021-3850
Published: May 30, 2022
Vulnerability identifier: #VU63809
CSH Severity: High
CVSS v4: 9.3 [CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:N/SC:N/SI:N/SA:N]
CVE-ID: CVE-2021-3850
CWE-ID: CWE-287
Exploitation vector: Remote access
Exploit availability:
No public exploit available
Vulnerability details
The vulnerability allows a remote attacker to bypass authentication process.
The vulnerability exists due to an error when processing PostgreSQL connection strings. A remote attacker can inject values into a PostgreSQL connection string by providing a parameter surrounded by single quotes, bypass authentication process and gain unauthorized access to the application.
Affected software
ADOdb
Debian Linux
Fedora
libphp-adodb (Debian package)
php-adodb
Debian Linux
Fedora
libphp-adodb (Debian package)
php-adodb
How to mitigate CVE-2021-3850
Install updates from vendor's website.
ADOdb - addressed in versions 5.20.21, 5.21.4
libphp-adodb (Debian package) - addressed in versions 5.20.14-1+deb10u1, 5.20.19-1+deb11u1
php-adodb - update to 5.22.7-1.el8
libphp-adodb (Debian package) - addressed in versions 5.20.14-1+deb10u1, 5.20.19-1+deb11u1
php-adodb - update to 5.22.7-1.el8