#VU17777 XXE attack in jackson-databind


Published: 2019-02-19

Vulnerability identifier: #VU17777

Vulnerability risk: Low

CVSSv3.1: 5.7 [CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:L/E:U/RL:O/RC:C]

CVE-ID: CVE-2018-14720

CWE-ID: CWE-611

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 perform XXE attacks.

The vulnerability exists due to fail to block unspecified Java Development Kit (JDK) classes from polymorphic deserialization. A remote attacker can send a specially crafted request that submits malicious input, conduct an XXE attack to access sensitive information, bypass security restrictions, or cause a denial of service (DoS) condition on the targeted system. 

Mitigation
Update to version 2.9.7.

Vulnerable software versions

jackson-databind: 2.9.0 - 2.9.6


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


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