Remote code execution in IBM Cloud Automation Manager

1) Use-after-free

EUVDB-ID: #VU55560

Risk: High

CVSSv3.1: 8.5 [CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H/E:U/RL:O/RC:C]

CVE-ID: CVE-2021-22930

CWE-ID: CWE-416 - Use After Free

Exploit availability: No

Description

The vulnerability allows a remote attacker to compromise vulnerable system.

The vulnerability exists due to a use-after-free error when processing HTTP/2 stream canceling requests. A remote attacker can send a specially crafted HTTP/2 request, trigger a use-after-free error and execute arbitrary code on the system.

Successful exploitation of the vulnerability may allow an attacker to compromise vulnerable system.

Mitigation

Install update from vendor's website.

Vulnerable software versions

IBM Cloud Automation Manager: 4.2.0.1

External links

http://www.ibm.com/blogs/psirt/security-bulletin-a-security-vulnerability-in-node-js-affects-ibm-cloud-automation-manager-3/
http://www.ibm.com/support/pages/node/6489845

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.