Denial of service in VMware Tanzu Application Service for VMs



Risk Medium
Patch available YES
Number of vulnerabilities 1
CVE-ID CVE-2021-22101
CWE-ID CWE-400
Exploitation vector Network
Public exploit N/A
Vulnerable software
Subscribe 		VMware Tanzu Application Service for VMs
Server applications / Other server solutions

Vendor VMware, Inc

Security Bulletin

This security bulletin contains one medium risk vulnerability.

1) Resource exhaustion

EUVDB-ID: #VU58173

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-2021-22101

CWE-ID: CWE-400 - Resource exhaustion

Exploit availability: No

Description

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. A remote attacker can trigger resource exhaustion by using REST HTTP requests with label_selectors on multiple V3 endpoints by generating an enormous SQL query.

Mitigation

Install update from vendor's website.

Vulnerable software versions

VMware Tanzu Application Service for VMs: 2.7.0 - 2.12.0

CPE2.3 External links

http://www.vmware.com/security/advisories/VMSA-2021-0026.html


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.



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