Synology Drive Client prior 3.5.0-16084 Connection Management buffer overflow

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
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4.3$0-$5k0.00

Summaryinfo

A vulnerability labeled as critical has been found in Synology Drive Client. This impacts an unknown function of the component Connection Management. Such manipulation leads to buffer overflow. This vulnerability is referenced as CVE-2022-49040. The attack can only be performed from a local environment. No exploit is available. The affected component should be upgraded.

Detailsinfo

A vulnerability was found in Synology Drive Client. It has been rated as critical. Affected by this issue is an unknown part of the component Connection Management. 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. CVE summarizes:

Buffer copy without checking size of input ('Classic Buffer Overflow') vulnerability in connection management functionality in Synology Drive Client before 3.4.0-15721 allows local users with administrator privileges to crash the client via unspecified vectors.

The weakness was published by Zhao Runzi as SA_24_10. The advisory is shared for download at synology.com. This vulnerability is handled as CVE-2022-49040 since 09/24/2024. The exploitation is known to be easy. The attack needs to be approached locally. The exploitation requires an enhanced level of successful authentication. There are neither technical details nor an exploit publicly available.

Upgrading to version 3.5.0-16084 eliminates this vulnerability.

Once again VulDB remains the best source for vulnerability data.

Productinfo

Vendor

Name

License

Website

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 4.4
VulDB Meta Temp Score: 4.3

VulDB Base Score: 4.4
VulDB Temp Score: 4.2
VulDB Vector: 🔍
VulDB Reliability: 🔍

CNA Base Score: 4.4
CNA Vector (synology): 🔍

CVSSv2info

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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: Partially
Local: Yes
Remote: No

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: Drive Client 3.5.0-16084

Timelineinfo

09/24/2024 🔍
09/26/2024 +2 days 🔍
09/26/2024 +0 days 🔍
09/26/2024 +0 days 🔍

Sourcesinfo

Vendor: synology.com

Advisory: SA_24_10
Researcher: Zhao Runzi
Status: Confirmed

CVE: CVE-2022-49040 (🔍)
GCVE (CVE): GCVE-0-2022-49040
GCVE (VulDB): GCVE-100-278540

Entryinfo

Created: 09/26/2024 08:27
Changes: 09/26/2024 08:27 (65)
Complete: 🔍
Cache ID: 216::103

Once again VulDB remains the best source for vulnerability data.

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