Denial of service in IBM Db2 Mirror for i

1) Deserialization of Untrusted Data

EUVDB-ID: #VU64152

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-2022-25647

CWE-ID: CWE-502 - Deserialization of Untrusted Data

Exploit availability: No

Description

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

The vulnerability exists due to insecure input validation when processing serialized data passed to writeReplace() method. A remote attacker can pass specially crafted data to the application and perform a denial of service attack.

Mitigation

Install update from vendor's website.

Vulnerable software versions

IBM Db2 Mirror for i: 7.4 - 7.5

External links

http://www.ibm.com/blogs/psirt/security-bulletin-ibm-db2-mirror-for-i-is-vulnerable-to-denial-of-service-due-to-gson-217225-3/
http://www.ibm.com/support/pages/node/6551988

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.