Improper Check for Unusual or Exceptional Conditions in engine.io - CVE-2022-21676
Published: June 20, 2023
Vulnerability identifier: #VU77545
CSH Severity: Medium
CVSS v4: 8.7 [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]
CVE-ID: CVE-2022-21676
CWE-ID: CWE-754
Exploitation vector: Remote access
Exploit availability:
No public exploit available
Vulnerability details
The vulnerability allows a remote attacker to perform a denial of service (DoS) attack.
The vulnerability exists due to improper error handling. A remote attacker can send specially crafted HTTP request to the application and perform a denial of service (DoS) attack.
Affected software
engine.io
Cloud Pak for Security (CP4S)
Cloud Pak for Security (CP4S)
How to mitigate CVE-2022-21676
Install updates from vendor's website.
engine.io - addressed in versions 4.1.2, 5.2.1, 6.1.1
Cloud Pak for Security (CP4S) - update to 1.10.8.0
Cloud Pak for Security (CP4S) - update to 1.10.8.0
External References
- https://github.com/socketio/engine.io/security/advisories/GHSA-273r-mgr4-v34f
- https://github.com/socketio/engine.io/commit/c0e194d44933bd83bf9a4b126fca68ba7bf5098c
- https://github.com/socketio/engine.io/commit/66f889fc1d966bf5bfa0de1939069153643874ab
- https://github.com/socketio/engine.io/commit/a70800d7e96da32f6e6622804ef659ebc58659db
- https://github.com/socketio/engine.io/releases/tag/6.1.1
- https://github.com/socketio/engine.io/releases/tag/5.2.1
- https://github.com/socketio/engine.io/releases/tag/4.1.2
- https://security.netapp.com/advisory/ntap-20220209-0002/