Pierluigi Paganini in Breaking NewsSecurity

Google experts found 2 flaws in video conferencing software Zoom

Google Project Zero researchers have discovered two vulnerabilities in the video conferencing software Zoom that expose users to attacks.

Security researchers from Google Project Zero discovered two vulnerabilities in the video conferencing software Zoom that expose users to attacks. The vulnerabilities impact Zoom Client for Meetings on Windows, macOS, Linux, iOS, and Android.

The issues in the video conferencing software Zoom were discovered by Google Project Zero researcher Natalie Silvanovich. The first flaw, tracked as CVE-2021-34423, is a high-severity buffer overflow vulnerability that received a CVSS base score of 7.3.

“A buffer overflow vulnerability was discovered in the products listed in the “Affected Products” section of this bulletin. This can potentially allow a malicious actor to crash the service or application, or leverage this vulnerability to execute arbitrary code.” reads the security advisory published by Zoom.

The second vulnerability addressed by the company is a memory corruption issue, tracked as CVE-2021-34424, that received a CVSS base score of 7.3.

“A vulnerability was discovered in the products listed in the “Affected Products” section of this bulletin which potentially allowed for the exposure of the state of process memory. This issue could be used to potentially gain insight into arbitrary areas of the product’s memory.” reads the advisory.

Below is the list of affected Zoom products:

Zoom Client for Meetings (for Android, iOS, Linux, macOS, and Windows) before version 5.8.4
Zoom Client for Meetings for Blackberry (for Android and iOS) before version 5.8.1
Zoom Client for Meetings for intune (for Android and iOS) before version 5.8.4
Zoom Client for Meetings for Chrome OS before version 5.0.1
Zoom Rooms for Conference Room (for Android, AndroidBali, macOS, and Windows) before version 5.8.3
Controllers for Zoom Rooms (for Android, iOS, and Windows) before version 5.8.3
Zoom VDI before version 5.8.4
Zoom Meeting SDK for Android before version 5.7.6.1922
Zoom Meeting SDK for iOS before version 5.7.6.1082
Zoom Meeting SDK for macOS before version 5.7.6.1340
Zoom Meeting SDK for Windows before version 5.7.6.1081
Zoom Video SDK (for Android, iOS, macOS, and Windows) before version 1.1.2
Zoom On-Premise Meeting Connector Controller before version 4.8.12.20211115
Zoom On-Premise Meeting Connector MMR before version 4.8.12.20211115
Zoom On-Premise Recording Connector before version 5.1.0.65.20211116
Zoom On-Premise Virtual Room Connector before version 4.4.7266.20211117
Zoom On-Premise Virtual Room Connector Load Balancer before version 2.5.5692.20211117
Zoom Hybrid Zproxy before version 1.0.1058.20211116
Zoom Hybrid MMR before version 4.6.20211116.131_x86-64

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Pierluigi Paganini

(SecurityAffairs – hacking, video conferencing software Zoom)

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Pierluigi Paganini: Pierluigi Paganini is member of the ENISA (European Union Agency for Network and Information Security) Threat Landscape Stakeholder Group and Cyber G7 Group, he is also a Security Evangelist, Security Analyst and Freelance Writer. Editor-in-Chief at "Cyber Defense Magazine", Pierluigi is a cyber security expert with over 20 years experience in the field, he is Certified Ethical Hacker at EC Council in London. The passion for writing and a strong belief that security is founded on sharing and awareness led Pierluigi to find the security blog "Security Affairs" recently named a Top National Security Resource for US. Pierluigi is a member of the "The Hacker News" team and he is a writer for some major publications in the field such as Cyber War Zone, ICTTF, Infosec Island, Infosec Institute, The Hacker News Magazine and for many other Security magazines. Author of the Books "The Deep Dark Web" and “Digital Virtual Currency and Bitcoin”.