#VU89626 NULL pointer dereference in socket.io-client-java - CVE-2022-25867

Vulnerability identifier: #VU89626

Vulnerability risk: Medium

CVSSv4.0: 6.6 [CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N/E:U/U:Green]

CVE-ID: CVE-2022-25867

CWE-ID: CWE-476

Exploitation vector: Network

Exploit availability: No

Vulnerable software:
socket.io-client-java
Other software / Other software solutions

Vendor: socket.io

Description

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

The vulnerability exists due to a NULL pointer dereference error when parsing a packet with with invalid payload format. A remote attacker can pass specially crafted data to the application and perform a denial of service (DoS) attack.

Mitigation
Install updates from vendor's website.

Vulnerable software versions

socket.io-client-java: before 2.0.1

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External links
https://security.snyk.io/vuln/SNYK-JAVA-IOSOCKET-2949738
https://github.com/socketio/socket.io-client-java/issues/508%23issuecomment-1179817361
https://github.com/socketio/socket.io-client-java/releases/tag/socket.io-client-2.0.1
https://github.com/socketio/socket.io-client-java/commit/e8ffe9d1383736f6a21090ab959a2f4fa5a41284
https://github.com/socketio/socket.io-client-java/commit/8664499b6f31154f49783531f778dac5387b766b

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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.