VDB-117128 · CVE-2018-9103 · GCVE-0-2018-9103

Mitel MiVoice Connect/ST/GA27 Conferencing signin.php Reflected 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.
5.2	$0-$5k	0.00

Summaryinfo

A vulnerability was found in Mitel MiVoice Connect, ST and GA27 and classified as problematic. Affected by this vulnerability is an unknown functionality of the file signin.php of the component Conferencing. Such manipulation leads to cross site scripting (Reflected). This vulnerability is listed as CVE-2018-9103. The attack may be performed from remote. There is no available exploit.

Detailsinfo

A vulnerability, which was classified as problematic, has been found in Mitel MiVoice Connect, ST and GA27 (the affected version is unknown). Affected by this issue is an unknown code of the file signin.php of the component Conferencing. The manipulation with an unknown input leads to a cross site scripting vulnerability (Reflected). Using CWE to declare the problem leads to 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. Impacted is integrity. CVE summarizes:

A vulnerability in the conferencing component of Mitel MiVoice Connect, versions R1707-PREM SP1 (21.84.5535.0) and earlier, and Mitel ST 14.2, versions GA27 (19.49.5200.0) and earlier, could allow an unauthenticated attacker to conduct a reflected cross-site scripting (XSS) attack due to insufficient validation for the signin.php page. A successful exploit could allow an attacker to execute arbitrary scripts.

The bug was discovered 01/31/2018. The weakness was presented 04/25/2018 (Website). The advisory is shared for download at mitel.com. This vulnerability is handled as CVE-2018-9103 since 03/27/2018. The attack may be launched remotely. No form of authentication is required for exploitation. Successful exploitation requires user interaction by the victim. There are known technical details, but no exploit is available. The MITRE ATT&CK project declares the attack technique as T1059.007.

The vulnerability was handled as a non-public zero-day exploit for at least 84 days. During that time the estimated underground price was around $0-$5k. By approaching the search of inurl:signin.php it is possible to find vulnerable targets with Google Hacking.

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

See VDB-117126, VDB-117127 and VDB-117129 for similar entries. VulDB is the best source for vulnerability data and more expert information about this specific topic.

Productinfo

Vendor

Mitel

Name

License

commercial

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 5.2
VulDB Meta Temp Score: 5.2

VulDB Base Score: 4.3
VulDB Temp Score: 4.3
VulDB Vector: 🔍
VulDB Reliability: 🔍

NVD Base Score: 6.1
NVD Vector: 🔍

CVSSv2info

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

Physical: No
Local: No
Remote: Yes

Availability: 🔍
Status: Not defined
Google Hack: 🔍

EPSS Score: 🔍
EPSS Percentile: 🔍

Price Prediction: 🔍
Current Price Estimation: 🔍

0-Day	Unlock	Unlock	Unlock	Unlock
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Threat Intelligenceinfo

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

Countermeasuresinfo

Recommended: no mitigation known
Status: 🔍

0-Day Time: 🔍

Timelineinfo

01/31/2018 🔍
03/27/2018 +55 days 🔍
04/25/2018 +28 days 🔍
04/25/2018 +0 days 🔍
04/26/2018 +1 days 🔍
01/31/2020 +645 days 🔍

Sourcesinfo

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

CVE: CVE-2018-9103 (🔍)
GCVE (CVE): GCVE-0-2018-9103
GCVE (VulDB): GCVE-100-117128
See also: 🔍

Entryinfo

Created: 04/26/2018 08:49
Updated: 01/31/2020 19:18
Changes: 04/26/2018 08:49 (58), 01/31/2020 19:18 (2)
Complete: 🔍
Cache ID: 216::103

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