Deserialization of Untrusted Data in jackson-databind - CVE-2020-35491

 

Deserialization of Untrusted Data in jackson-databind - CVE-2020-35491

Published: December 17, 2020 / Updated: January 11, 2021


Vulnerability identifier: #VU49380
CSH Severity: High
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:U/U:Amber
CVE-ID: CVE-2020-35491
CWE-ID: CWE-502
Exploitation vector: Remote access
Exploit availability: No public exploit available
Vendor: FasterXML
Affected software:
jackson-databind

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 related to org.apache.commons.dbcp2.datasources.SharedPoolDataSource. 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-2020-35491

Install updates from vendor's website.

Sources