#VU19933 Permissions, Privileges, and Access Controls in jackson-databind - CVE-2019-14379

Vulnerability identifier: #VU19933

Vulnerability risk: High

CVSSv4.0: 6.9 [CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:L/VA:H/SC:N/SI:N/SA:N/E:U/U:Amber]

CVE-ID: CVE-2019-14379

CWE-ID: CWE-264

Exploitation vector: Network

Exploit availability: No

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

Vendor: FasterXML

Description

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

The vulnerability exists due to the "SubTypeValidator.java" file mishandles default typing when Ehcache is used. A remote attacker can send a request that submits malicious input to the targeted system and execute arbitrary code.

Mitigation
Install updates from vendor's website.

Vulnerable software versions

jackson-databind: 2.0.0 - 2.0.4, 2.1.0 - 2.1.4, 2.3.0 - 2.3.5, 2.4.0 - 2.4.6.1, 2.5.0 - 2.5.5, 2.6.0 - 2.6.8, 2.7.0 - 2.7.9.6, 2.8.0 - 2.8.11.4, 2.9.0 - 2.9.9.1

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External links
https://github.com/FasterXML/jackson-databind/compare/jackson-databind-2.9.9.1...jackson-databind-2.9.9.2
https://github.com/FasterXML/jackson-databind/issues/2387

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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.