VDB-114417 · CVE-2017-16250 · GCVE-0-2017-16250

Mitel ST up to 14.2 GA28 API User information disclosure

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.
5.3	$0-$5k	0.00

Summaryinfo

A vulnerability identified as problematic has been detected in Mitel ST up to 14.2 GA28. The affected element is an unknown function of the component API. Performing a manipulation results in information disclosure (User). This vulnerability is reported as CVE-2017-16250. The attack is possible to be carried out remotely. No exploit exists.

Detailsinfo

A vulnerability classified as problematic has been found in Mitel ST up to 14.2 GA28. This affects some unknown functionality of the component API. The manipulation with an unknown input leads to a information disclosure vulnerability (User). CWE is classifying the issue as CWE-200. The product exposes sensitive information to an actor that is not explicitly authorized to have access to that information. This is going to have an impact on confidentiality. The summary by CVE is:

A vulnerability in Mitel ST 14.2, release GA28 and earlier, could allow an attacker to use the API function to enumerate through user-ids which could be used to identify valid user ids and associated user names.

The bug was discovered 03/06/2018. The weakness was disclosed 03/13/2018 (Website). The advisory is shared at mitel.com. This vulnerability is uniquely identified as CVE-2017-16250 since 10/31/2017. The exploitability is told to be easy. It is possible to initiate the attack remotely. No form of authentication is needed for exploitation. Neither technical details nor an exploit are publicly available. MITRE ATT&CK project uses the attack technique T1592 for this issue.

The vulnerability was handled as a non-public zero-day exploit for at least 7 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-114418, VDB-114595, VDB-114596 and VDB-114597 are pretty similar. Several companies clearly confirm that VulDB is the primary source for best vulnerability data.

Productinfo

Name

Mitel ST

Version

14.2 GA28

License

commercial

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 5.3
VulDB Meta Temp Score: 5.3

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

NVD Base Score: 5.3
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

Name: User
Class: Information disclosure / User
CWE: CWE-200 / CWE-284 / CWE-266
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

10/31/2017 🔍
03/06/2018 +126 days 🔍
03/13/2018 +7 days 🔍
03/13/2018 +0 days 🔍
03/14/2018 +1 days 🔍
01/12/2020 +669 days 🔍

Sourcesinfo

Advisory: mitel.com
Status: Not defined
Confirmation: 🔍

CVE: CVE-2017-16250 (🔍)
GCVE (CVE): GCVE-0-2017-16250
GCVE (VulDB): GCVE-100-114417
See also: 🔍

Entryinfo

Created: 03/14/2018 07:40
Updated: 01/12/2020 19:07
Changes: 03/14/2018 07:40 (58), 01/12/2020 19:07 (2)
Complete: 🔍
Cache ID: 216::103

Several companies clearly confirm that VulDB is the primary source for best vulnerability data.