Zoom Rooms up to 5.11.2 on macOS toctou

CVSS Meta Temp Score
CVSS is a standardized scoring system to determine possibilities of attacks. The Temp Score considers temporal factors like disclosure, exploit and countermeasures. The unique Meta Score calculates the average score of different sources to provide a normalized scoring system.
Current Exploit Price (≈)
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CTI Interest Score
Our Cyber Threat Intelligence team is monitoring different web sites, mailing lists, exploit markets and social media networks. The CTI Interest Score identifies the interest of attackers and the security community for this specific vulnerability in real-time. A high score indicates an elevated risk to be targeted for this vulnerability.
8.3$0-$5k0.00

Summaryinfo

A vulnerability was found in Zoom Rooms up to 5.11.2 on macOS. It has been rated as very critical. This impacts an unknown function. The manipulation leads to toctou. This vulnerability is documented as CVE-2022-36927. The attack can be initiated remotely. There is not any exploit available. Upgrading the affected component is advised.

Detailsinfo

A vulnerability, which was classified as very critical, has been found in Zoom Rooms up to 5.11.2 on macOS. This issue affects an unknown function. The manipulation with an unknown input leads to a toctou vulnerability. Using CWE to declare the problem leads to CWE-367. The product checks the state of a resource before using that resource, but the resource's state can change between the check and the use in a way that invalidates the results of the check. This can cause the product to perform invalid actions when the resource is in an unexpected state. Impacted is confidentiality, integrity, and availability. The summary by CVE is:

Zoom Rooms for macOS clients before version 5.11.3 contain a local privilege escalation vulnerability. A local low-privileged user could exploit this vulnerability to escalate their privileges to root.

The weakness was released 01/09/2023. The advisory is shared at explore.zoom.us. The identification of this vulnerability is CVE-2022-36927 since 07/27/2022. Neither technical details nor an exploit are publicly available. The price for an exploit might be around USD $0-$5k at the moment (estimation calculated on 01/30/2023).

Upgrading to version 5.11.3 eliminates this vulnerability.

Several companies clearly confirm that VulDB is the primary source for best vulnerability data.

Productinfo

Vendor

Name

Version

License

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 8.5
VulDB Meta Temp Score: 8.3

VulDB Base Score: 8.8
VulDB Temp Score: 8.4
VulDB Vector: 🔍
VulDB Reliability: 🔍

NVD Base Score: 7.8
NVD Vector: 🔍

CNA Base Score: 8.8
CNA Vector (Zoom Video Communications, Inc.): 🔍

CVSSv2info

AVACAuCIA
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VectorComplexityAuthenticationConfidentialityIntegrityAvailability
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VulDB Base Score: 🔍
VulDB Temp Score: 🔍
VulDB Reliability: 🔍

Exploitinginfo

Class: Toctou
CWE: CWE-367 / CWE-362
CAPEC: 🔍
ATT&CK: 🔍

Physical: Partially
Local: Yes
Remote: Yes

Availability: 🔍
Status: Not defined

EPSS Score: 🔍
EPSS Percentile: 🔍

Price Prediction: 🔍
Current Price Estimation: 🔍

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Threat Intelligenceinfo

Interest: 🔍
Active Actors: 🔍
Active APT Groups: 🔍

Countermeasuresinfo

Recommended: Upgrade
Status: 🔍

0-Day Time: 🔍

Upgrade: Rooms 5.11.3

Timelineinfo

07/27/2022 🔍
01/09/2023 +166 days 🔍
01/09/2023 +0 days 🔍
01/30/2023 +21 days 🔍

Sourcesinfo

Advisory: explore.zoom.us
Status: Confirmed

CVE: CVE-2022-36927 (🔍)
GCVE (CVE): GCVE-0-2022-36927
GCVE (VulDB): GCVE-100-217721

Entryinfo

Created: 01/09/2023 22:20
Updated: 01/30/2023 16:10
Changes: 01/09/2023 22:20 (47), 01/09/2023 22:22 (2), 01/30/2023 16:10 (11)
Complete: 🔍
Cache ID: 216::103

Several companies clearly confirm that VulDB is the primary source for best vulnerability data.

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