certfr_avis - certfr-2022-avi-173

CERTFR-2022-AVI-173

Vulnerability from certfr_avis

Une vulnérabilité a été découverte dans Mitel MiCollab et MiVoice Business Express. Elle permet à un attaquant de provoquer une exécution de code arbitraire à distance, un déni de service à distance et une atteinte à la confidentialité des données.

Solution

Se référer au bulletin de sécurité de l'éditeur pour l'obtention des correctifs (cf. section Documentation).

Contournement provisoire

Mitel déclare fournir un script qui permet de mettre en place une mesure de contournement provisoire pour Micollab versions R8.0 à R9.4 ainsi que pour les versions R8.0 et R8.1 de MiVoice Business Express.

La version R9.4 SP1 FP1 de Micollab est prévue pour mars 2022.

None

Impacted products

	Vendor	Product	Description
	Mitel	MiCollab	Mitel MiCollab versions R9.4 SP1 et antérieures
	Mitel	MiVoice	MiVoice Business Express versions R8.1 et antérieures

References

Title

Publication Time

CVE-2022-26143 (GCVE-0-2022-26143)

Vulnerability from cvelistv5

Published

2022-03-09 15:32

Modified

2025-10-21 23:15

Severity ?

9.8 (Critical) - CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

CWE

Summary

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.

References

URL

Tags

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

Impacted products

	Vendor	Product	Version
	n/a	n/a	Version: n/a

Show details on NVD website

JSON

To clipboard

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Sightings

Author	Source	Type	Date

Nomenclature

Seen: The vulnerability was mentioned, discussed, or seen somewhere by the user.
Confirmed: The vulnerability is confirmed from an analyst perspective.
Published Proof of Concept: A public proof of concept is available for this vulnerability.
Exploited: This vulnerability was exploited and seen by the user reporting the sighting.
Patched: This vulnerability was successfully patched by the user reporting the sighting.
Not exploited: This vulnerability was not exploited or seen by the user reporting the sighting.
Not confirmed: The user expresses doubt about the veracity of the vulnerability.
Not patched: This vulnerability was not successfully patched by the user reporting the sighting.

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