#VU71593 Session Fixation in Hazelcast Jet and Hazelcast - CVE-2022-36437

Vulnerability identifier: #VU71593

Vulnerability risk: High

CVSSv4.0: 7.2 [CVSS:4.0/AV:N/AC:L/AT:P/PR:N/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:U/U:Amber]

CVE-ID: CVE-2022-36437

CWE-ID: CWE-384

Exploitation vector: Network

Exploit availability: No

Vulnerable software:
Hazelcast Jet
Server applications / Other server solutions
Hazelcast
Server applications / Other server solutions

Vendor: Hazelcast

Description

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

The vulnerability exists due to a connection caching issue. A unauthenticated attacker can access and manipulate data in the cluster with the identity of another already authenticated connection.

Mitigation
Install updates from vendor's website.

Vulnerable software versions

Hazelcast Jet: 0.1 - 4.5.3

Hazelcast: before 3.12.13, 4.1.10, 4.2.6, 5.0.4, 5.1.3, 3.12.13, 3.12.13, 3.12.13, 3.12.13, 3.12.13

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External links
https://github.com/hazelcast/hazelcast/security/advisories/GHSA-c5hg-mr8r-f6jp

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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.