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CVE-2022-26143 Detail

Current Description

The TP-240 (aka tp240dvr) component in Mitel MiCollab before 9.4 SP1 FP1 and MiVoice Business Express through 8.1 allows remote attackers to obtain sensitive information and cause a denial of service (performance degradation and excessive outbound traffic). This was exploited in the wild in February and March 2022 for the TP240PhoneHome DDoS attack.


View Analysis Description

Severity



CVSS 3.x Severity and Metrics:

NIST CVSS score
NIST: NVD
Base Score:  9.8 CRITICAL
Vector:  CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H


NVD Analysts use publicly available information to associate vector strings and CVSS scores. We also display any CVSS information provided within the CVE List from the CNA.

Note: NVD Analysts have published a CVSS score for this CVE based on publicly available information at the time of analysis. The CNA has not provided a score within the CVE List.

References to Advisories, Solutions, and Tools

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Hyperlink Resource
https://arstechnica.com/information-technology/2022/03/ddosers-use-new-method-capable-of-amplifying-traffic-by-a-factor-of-4-billion/ Exploit  Press/Media Coverage  Third Party Advisory 
https://blog.cloudflare.com/cve-2022-26143/ Mitigation  Third Party Advisory 
https://news.ycombinator.com/item?id=30614073 Issue Tracking  Third Party Advisory 
https://team-cymru.com/blog/2022/03/08/record-breaking-ddos-potential-discovered-cve-2022-26143/ Mitigation  Third Party Advisory 
https://www.akamai.com/blog/security/phone-home-ddos-attack-vector Mitigation  Third Party Advisory 
https://www.mitel.com/en-ca/support/security-advisories/mitel-product-security-advisory-22-0001 Vendor Advisory 
https://www.shadowserver.org/news/cve-2022-26143-tp240phonehome-reflection-amplification-ddos-attack-vector/ Mitigation  Third Party Advisory 

This CVE is in CISA's Known Exploited Vulnerabilities Catalog

Reference CISA's ED 21-03 and Known Exploited Vulnerabilities Catalog for further guidance and requirements.

Date Added Due Date Required Action
03/25/2022 04/15/2022 Apply updates per vendor instructions.

Weakness Enumeration

CWE-ID CWE Name Source
CWE-863 Incorrect Authorization cwe source acceptance level NIST  

Known Affected Software Configurations Switch to CPE 2.2

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Change History

1 change records found show changes

Quick Info

CVE Dictionary Entry:
CVE-2022-26143
NVD Published Date:
03/10/2022
NVD Last Modified:
03/18/2022
Source:
MITRE