Synology DiskStation Manager prior 6.2.3-25426-3 SYNO.Core.Network.PPPoE realname os command injection

CVSS Meta Temp Score
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Current Exploit Price (≈)
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CTI Interest Score
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6.9$0-$5k0.00

Summaryinfo

A vulnerability marked as critical has been reported in Synology DiskStation Manager. This impacts an unknown function of the component SYNO.Core.Network.PPPoE. Performing a manipulation of the argument realname results in os command injection. This vulnerability is identified as CVE-2021-29083. The attack can be initiated remotely. There is not any exploit available. It is suggested to upgrade the affected component.

Detailsinfo

A vulnerability classified as critical has been found in Synology DiskStation Manager (Network Attached Storage Software). This affects an unknown code of the component SYNO.Core.Network.PPPoE. The manipulation of the argument realname with an unknown input leads to a os command injection vulnerability. CWE is classifying the issue as CWE-78. The product constructs all or part of an OS command using externally-influenced input from an upstream component, but it does not neutralize or incorrectly neutralizes special elements that could modify the intended OS command when it is sent to a downstream component. This is going to have an impact on confidentiality, integrity, and availability.

The weakness was released 04/01/2021 as SA_20_26. It is possible to read the advisory at synology.com. This vulnerability is uniquely identified as CVE-2021-29083. Technical details of the vulnerability are known, but there is no available exploit. The attack technique deployed by this issue is T1202 according to MITRE ATT&CK.

Upgrading to version 6.2.3-25426-3 eliminates this vulnerability.

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Productinfo

Type

Vendor

Name

License

Website

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 7.2
VulDB Meta Temp Score: 6.9

VulDB Base Score: 7.2
VulDB Temp Score: 6.9
VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv2info

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

Exploitinginfo

Class: Os command injection
CWE: CWE-78 / CWE-77 / CWE-74
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: DiskStation Manager 6.2.3-25426-3

Timelineinfo

03/23/2021 🔍
04/01/2021 +8 days 🔍
04/01/2021 +0 days 🔍
04/07/2021 +6 days 🔍

Sourcesinfo

Vendor: synology.com

Advisory: SA_20_26
Status: Confirmed
Confirmation: 🔍

CVE: CVE-2021-29083 (🔍)
GCVE (CVE): GCVE-0-2021-29083
GCVE (VulDB): GCVE-100-172071

Entryinfo

Created: 04/01/2021 15:05
Updated: 04/07/2021 16:55
Changes: 04/01/2021 15:05 (40), 04/07/2021 16:51 (6), 04/07/2021 16:55 (1)
Complete: 🔍
Cache ID: 216::103

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