Red Hat Software Collections update for rh-maven35-jackson-databind



Published: 2019-12-11
Risk Medium
Patch available YES
Number of vulnerabilities 1
CVE-ID CVE-2019-17531
CWE-ID CWE-20
Exploitation vector Network
Public exploit N/A
Vulnerable software
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Vendor Red Hat Inc.

Security Bulletin

This security bulletin contains one medium risk vulnerability.

1) Input validation error

EUVDB-ID: #VU21750

Risk: Medium

CVSSv3.1: 4.7 [CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:N/E:U/RL:O/RC:C]

CVE-ID: CVE-2019-17531

CWE-ID: CWE-20 - Improper input validation

Exploit availability: No

Description

The vulnerability allows a remote attacker to compromise the affected software.

The vulnerability exists due to a Polymorphic Typing in jackson-databind when processing JSON requests. A remote attacker can send specially crafted JSON data to JNDI service and execute a malicious payload.

Successful exploitation of the vulnerability requires that Default Typing is enabled (either globally or for a specific property) for an externally exposed JSON endpoint and the service has the apache-log4j-extra (version 1.2.x) jar in the classpath.

Mitigation

Install updates from vendor's website.

Vulnerable software versions

Red Hat Software Collections: 1 for RHEL 7 - 1 for RHEL 7.7

External links

http://access.redhat.com/errata/RHSA-2019:4192


Q & A

Can this vulnerability be exploited remotely?

Yes. This vulnerability can be exploited by a remote authenticated user via the Internet.

Is there known malware, which exploits this vulnerability?

No. We are not aware of malware exploiting this vulnerability.



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