#VU17778 Input validation error in jackson-databind - CVE-2018-14719

Vulnerability identifier: #VU17778

Vulnerability risk: High

CVSSv4.0: 8.1 [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-2018-14719

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 execute arbitrary code.

The vulnerability exists due to fail to block blaze-ds-opt and blaze-ds-core classes from polymorphic deserialization. A remote attacker can send a specially crafted request that submits malicious input to execute arbitrary code.

Successful exploitation of the vulnerability may result in system compromise.

Mitigation
Update to version 2.9.7.

Vulnerable software versions

jackson-databind: 2.9.0 - 2.9.6

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External links
http://github.com/FasterXML/jackson-databind/commit/87d29af25e82a249ea15858e2d4ecbf64091db44
http://github.com/FasterXML/jackson-databind/issues/2097
http://github.com/FasterXML/jackson/wiki/Jackson-Release-2.9.7
http://www.oracle.com/technetwork/security-advisory/cpujan2019-5072801.html

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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.