VDB-100877 · CVE-2017-5916 · GCVE-0-2017-5916

America's First Federal Credit Union Mobile Banking 3.1.0 on iOS X.509 Certificate Validation certificate validation

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.
5.7	$0-$5k	0.00

Summaryinfo

A vulnerability was found in America's First Federal Credit Union Mobile Banking 3.1.0 on iOS. It has been rated as critical. The impacted element is an unknown function of the component X.509 Certificate Validation. The manipulation leads to certificate validation. This vulnerability is uniquely identified as CVE-2017-5916. The attack is possible to be carried out remotely. No exploit exists.

Detailsinfo

A vulnerability was found in America's First Federal Credit Union Mobile Banking 3.1.0 on iOS (Banking Software) and classified as critical. This issue affects an unknown function of the component X.509 Certificate Validation. The manipulation with an unknown input leads to a certificate validation vulnerability. Using CWE to declare the problem leads to CWE-295. The product does not validate, or incorrectly validates, a certificate. Impacted is confidentiality, integrity, and availability. The summary by CVE is:

The America's First Federal Credit Union (FCU) Mobile Banking app 3.1.0 for iOS does not verify X.509 certificates from SSL servers, which allows man-in-the-middle attackers to spoof servers and obtain sensitive information via a crafted certificate.

The bug was discovered 05/05/2017. The weakness was disclosed 05/05/2017 (Website). The advisory is shared at medium.com. The identification of this vulnerability is CVE-2017-5916 since 02/07/2017. The exploitation is known to be difficult. The attack may be initiated remotely. No form of authentication is needed for a successful exploitation. Neither technical details nor an exploit are publicly available. MITRE ATT&CK project uses the attack technique T1587.003 for this issue.

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

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Productinfo

Type

Banking Software

Vendor

America's First Federal Credit Union

Name

Mobile Banking

Version

3.1.0

CPE 2.3info

🔍

CPE 2.2info

🔍

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 5.7
VulDB Meta Temp Score: 5.7

VulDB Base Score: 5.6
VulDB Temp Score: 5.6
VulDB Vector: 🔍
VulDB Reliability: 🔍

NVD Base Score: 5.9
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

Class: Certificate validation
CWE: CWE-295 / CWE-287
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

02/07/2017 🔍
05/05/2017 +87 days 🔍
05/05/2017 +0 days 🔍
05/05/2017 +0 days 🔍
05/05/2017 +0 days 🔍
09/24/2020 +1238 days 🔍

Sourcesinfo

Advisory: medium.com
Status: Not defined

CVE: CVE-2017-5916 (🔍)
GCVE (CVE): GCVE-0-2017-5916
GCVE (VulDB): GCVE-100-100877
OSVDB: - America's First Federal Credit Union (FCU) Mobile Banking App for iOS information disclosure

See also: 🔍

Entryinfo

Created: 05/05/2017 15:53
Updated: 09/24/2020 08:44
Changes: 05/05/2017 15:53 (59), 09/24/2020 08:44 (2)
Complete: 🔍
Cache ID: 216::103

If you want to get the best quality for vulnerability data then you always have to consider VulDB.