#VU17779 Input validation error in jackson-databind


Published: 2019-02-19

Vulnerability identifier: #VU17779

Vulnerability risk: High

CVSSv3.1: 8.7 [CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:H/I:H/A:H/E:U/RL:O/RC:C]

CVE-ID: CVE-2018-19361

CWE-ID: CWE-20

Exploitation vector: Network

Exploit availability: No

Vulnerable software:
jackson-databind
Universal components / Libraries / Libraries used by multiple products

Vendor: FasterXML

Description

The disclosed vulnerability allows a remote attacker to cause DoS condition or execute arbitrary code.

The vulnerability exists due to fail to block the openjpa class from polymorphic deserialization. A remote attacker can send a specially crafted request that submits malicious input to perform unauthorized actions on the system, which could allow the attacker to execute arbitrary code or cause a denial of service (DoS) condition.

Mitigation
Update to version 2.9.8.

Vulnerable software versions

jackson-databind: 2.9.0 - 2.9.7


External links
http://github.com/FasterXML/jackson-databind/commit/42912cac4753f3f718ece875e4d486f8264c2f2b
http://github.com/FasterXML/jackson-databind/issues/2186
http://github.com/FasterXML/jackson/wiki/Jackson-Release-2.9.8
http://issues.apache.org/jira/browse/TINKERPOP-2121


Q & A

Can this vulnerability be exploited remotely?

Yes. This vulnerability can be exploited by a remote non-authenticated attacker via the Internet.

Is there known malware, which exploits this vulnerability?

No. We are not aware of malware exploiting this vulnerability.


Latest bulletins with this vulnerability