Deserialization of Untrusted Data in jackson-databind - CVE-2020-11620

 

Deserialization of Untrusted Data in jackson-databind - CVE-2020-11620

Published: April 20, 2020


Vulnerability identifier: #VU27032
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-2020-11620
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 the affected software mishandles the interaction between serialization gadgets and typing, related to "org.apache.commons.jelly.impl.Embedded" (aka commons-jelly). 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-2020-11620

Install updates from vendor's website.

Sources