Resource exhaustion in ws - CVE-2021-32640

 

Resource exhaustion in ws - CVE-2021-32640

Published: June 1, 2021


Vulnerability identifier: #VU53703
CSH Severity: Medium
CVSS v4: 6.9 [CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:L/SC:N/SI:N/SA:N]
CVE-ID: CVE-2021-32640
CWE-ID: CWE-400
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 application does not properly control consumption of internal resources in the "Sec-Websocket-Protocol" header. A remote attacker can trigger resource exhaustion and perform a denial of service (DoS) attack.


Affected software

ws
IBM Cloud Transformation Advisor
IBM Watson Machine Learning Accelerator

How to mitigate CVE-2021-32640

Install updates from vendor's website.

ws - update to 7.4.6
IBM Cloud Transformation Advisor - update to 3.1.0

External References

Related Security Bulletins