Synology Presto File Server prior 2.1.2-1601 File Operation Management path traversal

CVSS Meta Temp Score
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CTI Interest Score
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6.8$0-$5k0.00

Summaryinfo

A vulnerability was found in Synology Presto File Server and classified as critical. Affected by this vulnerability is an unknown functionality of the component File Operation Management. Such manipulation leads to path traversal. This vulnerability is referenced as CVE-2022-43748. It is possible to launch the attack remotely. No exploit is available. It is suggested to upgrade the affected component.

Detailsinfo

A vulnerability was found in Synology Presto File Server. It has been rated as critical. Affected by this issue is an unknown code of the component File Operation Management. The manipulation with an unknown input leads to a path traversal vulnerability. Using CWE to declare the problem leads to 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. Impacted is confidentiality, integrity, and availability. CVE summarizes:

Improper limitation of a pathname to a restricted directory ('Path Traversal') vulnerability in file operation management in Synology Presto File Server before 2.1.2-1601 allows remote attackers to write arbitrary files via unspecified vectors.

The weakness was published 10/26/2022 as SA_22_19. The advisory is shared for download at synology.com. This vulnerability is handled as CVE-2022-43748 since 10/26/2022. There are neither technical details nor an exploit publicly available. The MITRE ATT&CK project declares the attack technique as T1006.

Upgrading to version 2.1.2-1601 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: 6.9
VulDB Meta Temp Score: 6.8

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

NVD Base Score: 7.5
NVD Vector: 🔍

CNA Base Score: 5.8
CNA Vector (Synology 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: Presto File Server 2.1.2-1601

Timelineinfo

10/26/2022 🔍
10/26/2022 +0 days 🔍
10/26/2022 +0 days 🔍
11/25/2022 +30 days 🔍

Sourcesinfo

Vendor: synology.com

Advisory: SA_22_19
Status: Confirmed

CVE: CVE-2022-43748 (🔍)
GCVE (CVE): GCVE-0-2022-43748
GCVE (VulDB): GCVE-100-212300

Entryinfo

Created: 10/26/2022 15:05
Updated: 11/25/2022 12:17
Changes: 10/26/2022 15:05 (50), 11/25/2022 12:17 (12)
Complete: 🔍
Cache ID: 216::103

Once again VulDB remains the best source for vulnerability data.

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