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: 9.3 [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]
CVE-ID: CVE-2020-15148
CWE-ID: CWE-502
Exploitation vector: Remote access
Exploit availability: Public exploit is available

Vulnerability details

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.


Affected software

Yii

How to mitigate CVE-2020-15148

Install updates from vendor's website.

Yii - update to 2.0.38

Links to Public Exploits and PoC-codes

External References

Related Security Bulletins