Synology Router Manager up to 1.1.4 SYNO.Core.PortForwarding.Rules resource consumption

EntryHistoryDiffjsonxmlCTI

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 (≈) Our analysts are monitoring exploit markets and are in contact with vulnerability brokers. The range indicates the observed or calculated exploit price to be seen on exploit markets. A good indicator to understand the monetary effort required for and the popularity of an attack.	CTI Interest Score Our Cyber Threat Intelligence team is monitoring different web sites, mailing lists, exploit markets and social media networks. The CTI Interest Score identifies the interest of attackers and the security community for this specific vulnerability in real-time. A high score indicates an elevated risk to be targeted for this vulnerability.
3.7	$0-$5k	0.00

A vulnerability was found in Synology Router Manager up to 1.1.4 (Router Operating System). It has been classified as problematic. Affected is an unknown code block of the component SYNO.Core.PortForwarding.Rules. The manipulation with an unknown input leads to a resource consumption vulnerability. CWE is classifying the issue as 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. This is going to have an impact on availability. CVE summarizes:

Uncontrolled Resource Consumption vulnerability in SYNO.Core.PortForwarding.Rules in Synology Router Manager (SRM) before 1.1.4-6509 allows remote authenticated attacker to exhaust the memory resources of the machine, causing a denial of service attack.

The bug was discovered 08/28/2017. The weakness was published 08/28/2017 (Website). The advisory is available at synology.com. This vulnerability is traded as CVE-2017-12077 since 07/31/2017. The exploitability is told to be easy. It is possible to launch the attack remotely. The requirement for exploitation is a authentication. The technical details are unknown and an exploit is not available. This vulnerability is assigned to T1499 by the MITRE ATT&CK project.

Upgrading to version 1.1.4-6509 eliminates this vulnerability.

Productinfo

Type

Router Operating System

Vendor

Synology

Name

Router Manager

Version

License

commercial

CPE 2.3info

CPE 2.2info

CVSSv3info

VulDB Meta Base Score: 3.8
VulDB Meta Temp Score: 3.7

VulDB Base Score: 2.7
VulDB Temp Score: 2.6
VulDB Vector: 🔍
VulDB Reliability: 🔍

NVD Base Score: 4.9
NVD Vector: 🔍

CVSSv2info

AV	AC	Au	C	I	A
💳	💳	💳	💳	💳	💳
💳	💳	💳	💳	💳	💳
💳	💳	💳	💳	💳	💳

Vector	Complexity	Authentication	Confidentiality	Integrity	Availability
unlock	unlock	unlock	unlock	unlock	unlock
unlock	unlock	unlock	unlock	unlock	unlock
unlock	unlock	unlock	unlock	unlock	unlock

VulDB Base Score: 🔍
VulDB Temp Score: 🔍
VulDB Reliability: 🔍

NVD Base Score: 🔍

Exploitinginfo

Class: Resource consumption
CWE: CWE-400 / CWE-404
ATT&CK: T1499

Local: No
Remote: Yes

Availability: 🔍
Status: Not defined

EPSS Score: 🔍
EPSS Percentile: 🔍

Price Prediction: 🔍
Current Price Estimation: 🔍

0-Day	unlock	unlock	unlock	unlock
Today	unlock	unlock	unlock	unlock

Threat Intelligenceinfo

Interest: 🔍
Active Actors: 🔍
Active APT Groups: 🔍

Countermeasuresinfo

Recommended: Upgrade
Status: 🔍

0-Day Time: 🔍

Upgrade: Router Manager 1.1.4-6509

Timelineinfo

07/31/2017 🔍
08/28/2017 +28 days 🔍
08/28/2017 +0 days 🔍
08/28/2017 +0 days 🔍
08/29/2017 +1 days 🔍
12/16/2022 +1935 days 🔍

Sourcesinfo

Vendor: synology.com

Advisory: SA_17_49
Status: Not defined
Confirmation: 🔍

CVE: CVE-2017-12077 (🔍)

Entryinfo

Created: 08/29/2017 10:32 AM
Updated: 12/16/2022 07:05 PM
Changes: 08/29/2017 10:32 AM (52), 11/10/2019 07:26 PM (8), 12/16/2022 07:05 PM (4)
Complete: 🔍