VDB-164318 · CVE-2020-27690 · GCVE-0-2020-27690

Relish VH510 prior 1.0.1.6L0516 Web Management Portal formDOMAINBLK blkDomain buffer overflow

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.
4.3	$0-$5k	0.00

Summaryinfo

A vulnerability classified as critical was found in Relish VH510. Affected by this vulnerability is an unknown functionality of the file /boaform/admin/formDOMAINBLK of the component Web Management Portal. Such manipulation of the argument blkDomain leads to buffer overflow. This vulnerability is listed as CVE-2020-27690. There is no available exploit. Upgrading the affected component is advised.

Detailsinfo

A vulnerability was found in Relish VH510 and classified as problematic. Affected by this issue is an unknown function of the file /boaform/admin/formDOMAINBLK of the component Web Management Portal. The manipulation of the argument blkDomain with an unknown input leads to a buffer overflow vulnerability. Using CWE to declare the problem leads to CWE-120. The product copies an input buffer to an output buffer without verifying that the size of the input buffer is less than the size of the output buffer, leading to a buffer overflow. Impacted is availability.

The weakness was presented 11/05/2020. The advisory is available at 6point6.co.uk. This vulnerability is handled as CVE-2020-27690. The exploitation is known to be easy. Technical details are known, but there is no available exploit.

Upgrading to version 1.0.1.6L0516 eliminates this vulnerability.

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Productinfo

Vendor

Relish

Name

VH510

CPE 2.3info

🔍

CPE 2.2info

🔍

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 4.5
VulDB Meta Temp Score: 4.4

VulDB Base Score: 3.5
VulDB Temp Score: 3.4
VulDB Vector: 🔍
VulDB Reliability: 🔍

NVD Base Score: 5.5
NVD Vector: 🔍

CVSSv2info

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Vector	Complexity	Authentication	Confidentiality	Integrity	Availability
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VulDB Base Score: 🔍
VulDB Temp Score: 🔍
VulDB Reliability: 🔍

NVD Base Score: 🔍

Exploitinginfo

Class: Buffer overflow
CWE: CWE-120 / CWE-119
CAPEC: 🔍
ATT&CK: 🔍

Physical: Partially
Local: Yes
Remote: Partially

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: VH510 1.0.1.6L0516

Timelineinfo

10/23/2020 🔍
11/05/2020 +13 days 🔍
11/05/2020 +0 days 🔍
12/02/2020 +27 days 🔍

Sourcesinfo

Advisory: 6point6.co.uk
Status: Confirmed

CVE: CVE-2020-27690 (🔍)
GCVE (CVE): GCVE-0-2020-27690
GCVE (VulDB): GCVE-100-164318

Entryinfo

Created: 11/05/2020 07:09
Updated: 12/02/2020 11:17
Changes: 11/05/2020 07:09 (39), 12/02/2020 11:12 (2), 12/02/2020 11:17 (18)
Complete: 🔍
Cache ID: 216::103