Zoom Client buffer overflow

CVSS Meta Temp Score
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Current Exploit Price (≈)
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CTI Interest Score
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5.3$0-$5k0.00

Summaryinfo

A vulnerability has been found in Zoom Client and classified as critical. Affected by this vulnerability is an unknown functionality. The manipulation leads to buffer overflow. This vulnerability is referenced as CVE-2023-39204. Remote exploitation of the attack is possible. No exploit is available. The affected component should be upgraded.

Detailsinfo

A vulnerability was found in Zoom Client (Unified Communication Software) (the affected version unknown). It has been rated as critical. This issue affects an unknown part. The manipulation with an unknown input leads to a buffer overflow vulnerability. Using CWE to declare the problem leads to CWE-120. The product copies an input buffer to an output buffer without verifying that the size of the input buffer is less than the size of the output buffer, leading to a buffer overflow. Impacted is availability. The summary by CVE is:

Buffer overflow in some Zoom clients may allow an unauthenticated user to conduct a denial of service via network access.

The weakness was published 11/15/2023. The advisory is shared at explore.zoom.us. The identification of this vulnerability is CVE-2023-39204 since 07/25/2023. It demands that the victim is doing some kind of user interaction. Neither technical details nor an exploit are publicly available.

Upgrading eliminates this vulnerability.

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

Productinfo

Type

Vendor

Name

License

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 5.4
VulDB Meta Temp Score: 5.3

VulDB Base Score: 4.3
VulDB Temp Score: 4.1
VulDB Vector: 🔍
VulDB Reliability: 🔍

NVD Base Score: 7.5
NVD Vector: 🔍

CNA Base Score: 4.3
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: Buffer overflow
CWE: CWE-120 / CWE-119
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: 🔍

Timelineinfo

07/25/2023 🔍
11/15/2023 +113 days 🔍
11/15/2023 +0 days 🔍
12/10/2023 +25 days 🔍

Sourcesinfo

Advisory: explore.zoom.us
Status: Confirmed

CVE: CVE-2023-39204 (🔍)
GCVE (CVE): GCVE-0-2023-39204
GCVE (VulDB): GCVE-100-245465

Entryinfo

Created: 11/15/2023 04:15
Updated: 12/10/2023 12:08
Changes: 11/15/2023 04:15 (48), 12/10/2023 12:08 (11)
Complete: 🔍
Cache ID: 216::103

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

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