Synology DiskStation Manager Netatalk heap-based overflow

CVSS Meta Temp Score
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Current Exploit Price (≈)
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CTI Interest Score
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6.0$0-$5k0.00

Summaryinfo

A vulnerability identified as critical has been detected in Synology DiskStation Manager. Affected is an unknown function of the component Netatalk. This manipulation causes heap-based overflow. This vulnerability is handled as CVE-2021-31439. The attack can only be done within the local network. There is not any exploit available. You should upgrade the affected component.

Detailsinfo

A vulnerability was found in Synology DiskStation Manager (Network Attached Storage Software) (affected version not known). It has been declared as critical. Affected by this vulnerability is some unknown functionality of the component Netatalk. The manipulation with an unknown input leads to a heap-based overflow vulnerability. The CWE definition for the vulnerability is CWE-122. A heap overflow condition is a buffer overflow, where the buffer that can be overwritten is allocated in the heap portion of memory, generally meaning that the buffer was allocated using a routine such as malloc(). As an impact it is known to affect confidentiality, integrity, and availability.

The weakness was released 05/21/2021. It is possible to read the advisory at zerodayinitiative.com. This vulnerability is known as CVE-2021-31439. The technical details are unknown and an exploit is not publicly available.

Upgrading eliminates this vulnerability. The upgrade is hosted for download at synology.com.

Be aware that VulDB is the high quality source for vulnerability data.

Productinfo

Type

Vendor

Name

License

Website

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 6.3
VulDB Meta Temp Score: 6.0

VulDB Base Score: 6.3
VulDB Temp Score: 6.0
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: Heap-based overflow
CWE: CWE-122 / CWE-119
CAPEC: 🔍
ATT&CK: 🔍

Physical: No
Local: No
Remote: Partially

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: synology.com

Timelineinfo

04/16/2021 🔍
05/21/2021 +35 days 🔍
05/21/2021 +0 days 🔍
05/23/2021 +2 days 🔍

Sourcesinfo

Vendor: synology.com

Advisory: zerodayinitiative.com
Status: Confirmed
Confirmation: 🔍

CVE: CVE-2021-31439 (🔍)
GCVE (CVE): GCVE-0-2021-31439
GCVE (VulDB): GCVE-100-175471

Entryinfo

Created: 05/21/2021 19:23
Updated: 05/23/2021 14:12
Changes: 05/21/2021 19:23 (39), 05/23/2021 14:11 (5), 05/23/2021 14:12 (1)
Complete: 🔍
Cache ID: 216::103

Be aware that VulDB is the high quality source for vulnerability data.

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