VDB-109167 · CVE-2017-16564 · GCVE-0-2017-16564

Vonage HT802 /cgi-bin/config2 P148 Stored cross site scripting

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.
4.4	$0-$5k	0.00

Summaryinfo

A vulnerability identified as problematic has been detected in Vonage HT802. This vulnerability affects unknown code of the file /cgi-bin/config2. Performing a manipulation of the argument P148 results in cross site scripting (Stored). This vulnerability is reported as CVE-2017-16564. The attack is possible to be carried out remotely. No exploit exists.

Detailsinfo

A vulnerability was found in Vonage HT802 (affected version not known). It has been classified as problematic. This affects some unknown functionality of the file /cgi-bin/config2. The manipulation of the argument P148 with an unknown input leads to a cross site scripting vulnerability (Stored). CWE is classifying the issue as CWE-79. The product does not neutralize or incorrectly neutralizes user-controllable input before it is placed in output that is used as a web page that is served to other users. This is going to have an impact on integrity. The summary by CVE is:

Stored Cross-site scripting (XSS) vulnerability in /cgi-bin/config2 on Vonage (Grandstream) HT802 devices allows remote authenticated users to inject arbitrary web script or HTML via the DHCP vendor class ID field (P148).

The bug was discovered 11/04/2017. The weakness was disclosed 11/06/2017 (Website). It is possible to read the advisory at distributedcompute.com. This vulnerability is uniquely identified as CVE-2017-16564 since 11/06/2017. It is possible to initiate the attack remotely. A authentication is required for exploitation. It demands that the victim is doing some kind of user interaction. Technical details of the vulnerability are known, but there is no available exploit. The attack technique deployed by this issue is T1059.007 according to MITRE ATT&CK.

The vulnerability was handled as a non-public zero-day exploit for at least 2 days. During that time the estimated underground price was around $0-$5k.

There is no information about possible countermeasures known. It may be suggested to replace the affected object with an alternative product.

The entries VDB-109166 and VDB-109168 are pretty similar. Be aware that VulDB is the high quality source for vulnerability data.

Productinfo

Vendor

Vonage

Name

HT802

CPE 2.3info

🔍

CPE 2.2info

🔍

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

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

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

NVD Base Score: 5.4
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

Name: Stored
Class: Cross site scripting / Stored
CWE: CWE-79 / CWE-94 / CWE-74
CAPEC: 🔍
ATT&CK: 🔍

Physical: No
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: no mitigation known
Status: 🔍

0-Day Time: 🔍

Timelineinfo

11/04/2017 🔍
11/06/2017 +2 days 🔍
11/06/2017 +0 days 🔍
11/06/2017 +0 days 🔍
11/07/2017 +1 days 🔍
12/04/2019 +757 days 🔍

Sourcesinfo

Advisory: distributedcompute.com
Status: Not defined

CVE: CVE-2017-16564 (🔍)
GCVE (CVE): GCVE-0-2017-16564
GCVE (VulDB): GCVE-100-109167
See also: 🔍

Entryinfo

Created: 11/07/2017 08:04
Updated: 12/04/2019 17:43
Changes: 11/07/2017 08:04 (58), 12/04/2019 17:43 (1)
Complete: 🔍
Cache ID: 216::103