Red Hat OpenStack Platform 16 update for etcd

Published: 2022-08-15

Risk	Medium
Patch available	YES
Number of vulnerabilities	2
CVE-ID	CVE-2022-21698 CVE-2022-30631
CWE-ID	CWE-20 CWE-400
Exploitation vector	Network
Public exploit	N/A
Vulnerable software Subscribe	etcd (Red Hat package) Operating systems & Components / Operating system package or component Red Hat OpenStack for IBM Power Server applications / Other server solutions Red Hat OpenStack Server applications / Other server solutions
Vendor	Red Hat Inc.

Security Bulletin

This security bulletin contains information about 2 vulnerabilities.

1) Input validation error

EUVDB-ID: #VU61599

Risk: Medium

CVSSv3.1: 6.5 [CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H/E:U/RL:O/RC:C]

CVE-ID: CVE-2022-21698

CWE-ID: CWE-20 - Improper input validation

Exploit availability: No

Description

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

The vulnerability exists due to insufficient validation of user-supplied input within method label cardinality. A remote attacker can pass specially crafted input to the application and perform a denial of service (DoS) attack.

Mitigation

Install updates from vendor's website.

Vulnerable software versions

etcd (Red Hat package): 3.3.23-1.el8ost - 3.3.23-7.el8ost

Red Hat OpenStack for IBM Power: 16.1

Red Hat OpenStack: 16.1

External links

http://access.redhat.com/errata/RHSA-2022:6066

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.

2) Resource exhaustion

EUVDB-ID: #VU66062