#VU18961 Information disclosure in jackson-databind


Published: 2019-07-02 | Updated: 2019-09-16

Vulnerability identifier: #VU18961

Vulnerability risk: Medium

CVSSv3.1: 5.2 [CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:N/A:N/E:U/RL:O/RC:C]

CVE-ID: CVE-2019-12814

CWE-ID: CWE-200

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 access sensitive information on a targeted system.

The vulnerability exist due to a polymorphic typing issue when Default Typing is enabled. A remote attacker can send a crafted JSON message that submits malicious input and gain access to sensitive information on the targeted system.


Mitigation
Install update from vendor's website..

Vulnerable software versions

jackson-databind: 2.9.0 - 2.9.9, 2.8.0 - 2.8.11.3, 2.7.0 - 2.7.9.5, 2.6.0 - 2.6.8, 2.5.0 - 2.5.5, 2.4.0 - 2.4.6.1, 2.3.0 - 2.3.5, 2.1.0 - 2.1.4, 2.0.0 - 2.0.4


External links
http://github.com/FasterXML/jackson-databind/commit/5f7c69bba07a7155adde130d9dee2e54a54f1fa5
http://github.com/FasterXML/jackson-databind/issues/2341


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