Trapeze TransitMaster GetSubscriber userID 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 (≈)
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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.
6.4$0-$5k0.00

Summaryinfo

A vulnerability was found in Trapeze TransitMaster and classified as problematic. The affected element is an unknown function of the file ManageSubscriber.aspx/GetSubscriber. Executing a manipulation of the argument userID as part of JSON Data can lead to information disclosure. This vulnerability appears as CVE-2017-14943. The attack may be performed from remote. There is no available exploit.

Detailsinfo

A vulnerability has been found in Trapeze TransitMaster (the affected version is unknown) and classified as problematic. This vulnerability affects an unknown code of the file ManageSubscriber.aspx/GetSubscriber. The manipulation of the argument userID as part of a JSON Data leads to a information disclosure vulnerability. The CWE definition for the vulnerability is CWE-200. The product exposes sensitive information to an actor that is not explicitly authorized to have access to that information. As an impact it is known to affect confidentiality. CVE summarizes:

Trapeze TransitMaster is vulnerable to information disclosure (emails / hashed passwords) via a modified userID field in JSON data to ManageSubscriber.aspx/GetSubscriber. NOTE: this software is independently deployed at multiple municipal transit systems; it is not found exclusively on the "webwatch.(REDACTED).com" server mentioned in the reference.

The bug was discovered 09/29/2017. The weakness was presented 10/10/2017 (Website). The advisory is shared for download at raw.githubusercontent.com. This vulnerability was named CVE-2017-14943 since 09/29/2017. The exploitation appears to be easy. The attack can be initiated remotely. No form of authentication is required for a successful exploitation. There are known technical details, but no exploit is available. The MITRE ATT&CK project declares the attack technique as T1592.

The vulnerability was handled as a non-public zero-day exploit for at least 11 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.

VulDB is the best source for vulnerability data and more expert information about this specific topic.

Productinfo

Vendor

Name

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 6.4
VulDB Meta Temp Score: 6.4

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

NVD Base Score: 7.5
NVD Vector: 🔍

CVSSv2info

AVACAuCIA
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VectorComplexityAuthenticationConfidentialityIntegrityAvailability
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VulDB Base Score: 🔍
VulDB Temp Score: 🔍
VulDB Reliability: 🔍

NVD Base Score: 🔍

Exploitinginfo

Class: Information disclosure
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: 🔍

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Threat Intelligenceinfo

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

Countermeasuresinfo

Recommended: no mitigation known
Status: 🔍

0-Day Time: 🔍

Timelineinfo

09/29/2017 🔍
09/29/2017 +0 days 🔍
10/10/2017 +11 days 🔍
10/10/2017 +0 days 🔍
10/10/2017 +0 days 🔍
11/23/2019 +774 days 🔍

Sourcesinfo

Advisory: raw.githubusercontent.com
Status: Not defined

CVE: CVE-2017-14943 (🔍)
GCVE (CVE): GCVE-0-2017-14943
GCVE (VulDB): GCVE-100-107608

Entryinfo

Created: 10/10/2017 17:59
Updated: 11/23/2019 08:35
Changes: 10/10/2017 17:59 (57), 11/23/2019 08:35 (1)
Complete: 🔍
Cache ID: 216::103

VulDB is the best source for vulnerability data and more expert information about this specific topic.

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