Zoom Keybase Client up to 5.6.x on Windows Team Folder path traversal

CVSS Meta Temp Score
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Current Exploit Price (≈)
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CTI Interest Score
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7.1$0-$5k0.00

Summaryinfo

A vulnerability, which was classified as critical, has been found in Zoom Keybase Client up to 5.6.x on Windows. Impacted is an unknown function of the component Team Folder Handler. This manipulation causes path traversal. This vulnerability is registered as CVE-2021-34422. Remote exploitation of the attack is possible. No exploit is available. It is advisable to upgrade the affected component.

Detailsinfo

A vulnerability has been found in Zoom Keybase Client up to 5.6.x on Windows and classified as critical. Affected by this vulnerability is an unknown functionality of the component Team Folder Handler. The manipulation with an unknown input leads to a path traversal vulnerability. The CWE definition for the vulnerability is CWE-22. The product uses external input to construct a pathname that is intended to identify a file or directory that is located underneath a restricted parent directory, but the product does not properly neutralize special elements within the pathname that can cause the pathname to resolve to a location that is outside of the restricted directory. As an impact it is known to affect confidentiality, integrity, and availability.

The weakness was published 11/12/2021. The advisory is shared at explore.zoom.us. This vulnerability is known as CVE-2021-34422 since 06/09/2021. Neither technical details nor an exploit are publicly available. MITRE ATT&CK project uses the attack technique T1006 for this issue.

Upgrading to version 5.7.0 eliminates this vulnerability.

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Productinfo

Vendor

Name

Version

License

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 7.3
VulDB Meta Temp Score: 7.1

VulDB Base Score: 7.3
VulDB Temp Score: 7.0
VulDB Vector: 🔍
VulDB Reliability: 🔍

CNA Base Score: 7.2
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: Path traversal
CWE: CWE-22
CAPEC: 🔍
ATT&CK: 🔍

Physical: No
Local: No
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: Keybase Client 5.7.0

Timelineinfo

06/09/2021 🔍
11/12/2021 +156 days 🔍
11/12/2021 +0 days 🔍
11/16/2021 +4 days 🔍

Sourcesinfo

Advisory: explore.zoom.us
Status: Confirmed

CVE: CVE-2021-34422 (🔍)
GCVE (CVE): GCVE-0-2021-34422
GCVE (VulDB): GCVE-100-186565

Entryinfo

Created: 11/12/2021 08:13
Updated: 11/16/2021 09:31
Changes: 11/12/2021 08:13 (50), 11/16/2021 09:31 (1)
Complete: 🔍
Cache ID: 216::103

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