IBM Log Analysis update for FasterXML jackson-dataformat-cbor

1) Input validation error

EUVDB-ID: #VU60986

Risk: Medium

CVSSv3.1: 6.5 [CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H/E:U/RL:O/RC:C]

CVE-ID: CVE-2020-28491

CWE-ID: CWE-20 - Improper input validation

Exploit availability: No

Description

The vulnerability allows a remote attacker to perform a denial of service (DoS) attack.

The vulnerability exists due to insufficient validation of user-supplied input. A remote attacker can pass specially crafted input to the application and perform a denial of service (DoS) attack.

Mitigation

Install update from vendor's website.

Vulnerable software versions

Log Analysis: 1.3.5.3 - 1.3.7.2 IF002

External links

http://www.ibm.com/blogs/psirt/security-bulletin-information-disclosure-in-fasterxml-jackson-dataformats-affect-ibm-operations-analytics-log-analysis-cve-2020-28491/
http://www.ibm.com/support/pages/node/6840977

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.