Synology MailPlus Server up to 2.0.5 TLS Configuration resource consumption

CVSS Meta Temp Score
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Current Exploit Price (≈)
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CTI Interest Score
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6.7$0-$5k0.00

Summaryinfo

A vulnerability classified as problematic was found in Synology MailPlus Server up to 2.0.5. This issue affects some unknown processing of the component TLS Configuration. Executing a manipulation can lead to resource consumption. The identification of this vulnerability is CVE-2018-13296. The attack may be launched remotely. There is no exploit available. Upgrading the affected component is advised.

Detailsinfo

A vulnerability has been found in Synology MailPlus Server up to 2.0.5 and classified as problematic. This vulnerability affects an unknown function of the component TLS Configuration. The manipulation with an unknown input leads to a resource consumption vulnerability. The CWE definition for the vulnerability is CWE-400. The product does not properly control the allocation and maintenance of a limited resource, thereby enabling an actor to influence the amount of resources consumed, eventually leading to the exhaustion of available resources. As an impact it is known to affect availability. CVE summarizes:

Uncontrolled resource consumption vulnerability in TLS configuration in Synology MailPlus Server before 2.0.5-0606 allows remote attackers to conduct denial-of-service attacks via client-initiated renegotiation.

The weakness was shared 04/01/2019 (Website). The advisory is shared for download at synology.com. This vulnerability was named CVE-2018-13296 since 07/05/2018. The exploitation appears to be easy. The attack can be initiated remotely. No form of authentication is required for a successful exploitation. There are neither technical details nor an exploit publicly available. The MITRE ATT&CK project declares the attack technique as T1499.

Upgrading to version 2.0.5-0606 eliminates this vulnerability.

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Productinfo

Vendor

Name

Version

License

Website

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 6.8
VulDB Meta Temp Score: 6.7

VulDB Base Score: 5.3
VulDB Temp Score: 5.1
VulDB Vector: 🔍
VulDB Reliability: 🔍

NVD Base Score: 7.5
NVD Vector: 🔍

CNA Base Score: 7.5
CNA Vector (Synology Inc.): 🔍

CVSSv2info

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

NVD Base Score: 🔍

Exploitinginfo

Class: Resource consumption
CWE: CWE-400 / CWE-404
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: MailPlus Server 2.0.5-0606

Timelineinfo

07/05/2018 🔍
04/01/2019 +270 days 🔍
04/01/2019 +0 days 🔍
08/21/2023 +1603 days 🔍

Sourcesinfo

Vendor: synology.com

Advisory: SA_18_43
Status: Not defined
Confirmation: 🔍

CVE: CVE-2018-13296 (🔍)
GCVE (CVE): GCVE-0-2018-13296
GCVE (VulDB): GCVE-100-132664

Entryinfo

Created: 04/01/2019 22:39
Updated: 08/21/2023 09:01
Changes: 04/01/2019 22:39 (56), 05/23/2020 12:39 (1), 08/21/2023 08:57 (4), 08/21/2023 09:01 (12)
Complete: 🔍
Cache ID: 216::103

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