#VU11268 Deserialization of untrusted data in jackson-databind - CVE-2018-7489

Vulnerability identifier: #VU11268

Vulnerability risk: High

CVSSv4.0: 7.2 [CVSS:4.0/AV:N/AC:L/AT:P/PR:N/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:U/U:Amber]

CVE-ID: CVE-2018-7489

CWE-ID: CWE-502

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 unauthenticated attacker to bypass security restrictions and execute arbitrary code on the target system.

The weakness exists in the readValue method due to improper validation of user-input. A remote attacker can send malicious JSON input, bypass security restrictions and execute arbitrary code with elevated privileges.

Successful exploitation of the vulnerability may result in system compromise.

Mitigation
Update to version 2.8.11.1.

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 - 2.7.9.3, 2.8.0 - 2.8.11, 2.9.0 - 2.9.4

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External links
https://github.com/FasterXML/jackson-databind/issues/1931

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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.