CVE-2022-26143

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.

CVSS v3.0 9.8 CRITICAL
CVSS v2.0 9.0 HIGH

9.8^/10

CVSS v3.0 : CRITICAL

V3 Legend

Vector :

Exploitability : 3.9 / Impact : 5.9

Attack Vector NETWORK

Attack Complexity LOW

Privileges Required NONE

User Interaction NONE

Confidentiality Impact HIGH

Integrity Impact HIGH

Availability Impact HIGH

Scope UNCHANGED

9.0^/10

CVSS v2.0 : HIGH

V2 Legend

Vector : AV:N/AC:L/Au:N/C:P/I:P/A:C

Exploitability : 10.0 / Impact : 8.5

Access Vector NETWORK

Access Complexity LOW

Authentication NONE

Confidentiality Impact PARTIAL

Integrity Impact PARTIAL

Availability Impact COMPLETE

References

Link	Resource
https://www.akamai.com/blog/security/phone-home-ddos-attack-vector	Mitigation Third Party Advisory
https://blog.cloudflare.com/cve-2022-26143/	Mitigation 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.shadowserver.org/news/cve-2022-26143-tp240phonehome-reflection-amplification-ddos-attack-vector/	Mitigation Third Party Advisory
https://news.ycombinator.com/item?id=30614073	Issue Tracking Third Party Advisory
https://www.mitel.com/en-ca/support/security-advisories/mitel-product-security-advisory-22-0001	Vendor Advisory
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

Configurations

Configuration 1 (hide)

OR	cpe:2.3:a:mitel:micollab::::::-::*
	cpe:2.3:a:mitel:micollab:9.4:-::::-::*
	cpe:2.3:a:mitel:micollab:9.4:sp1::::-::*
	cpe:2.3:a:mitel:mivoice_business_express::::::::

Information

Published : 2022-03-10 09:47

Updated : 2022-03-18 12:52

NVD link : CVE-2022-26143

Mitre link : CVE-2022-26143

JSON object : View

CWE

CWE-863

Incorrect Authorization

Products Affected

mitel

micollab
mivoice_business_express

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9.8 /10