Deserialization of Untrusted Data in Yii - CVE-2020-15148

 

Deserialization of Untrusted Data in Yii - CVE-2020-15148

Published: September 15, 2020 / Updated: December 18, 2020


Vulnerability identifier: #VU47003
CSH Severity: Critical
CVSS v4.0: CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:P/U:Red
CVE-ID: CVE-2020-15148
CWE-ID: CWE-502
Exploitation vector: Remote access
Exploit availability: Public exploit is available
Vendor: Yii Software
Affected software:
Yii

Detailed vulnerability description

The vulnerability allows a remote attacker to execute arbitrary code on the target system.

The vulnerability exists due to insecure input validation when processing serialized data on arbitrary user input in "framework/db/BatchQueryResult.php" file. A remote attacker can pass specially crafted data to the application and execute arbitrary code on the target system.

Successful exploitation of this vulnerability may result in complete compromise of vulnerable system.


How to mitigate CVE-2020-15148

Install updates from vendor's website.

Sources