Your Legacy Federal Credit Union Mobile Banking App 3.0.1 on iOS X.509 Certificate Crafted Certificate certificate validation

CVSS Meta Temp Score
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CTI Interest Score
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5.7$0-$5k0.00

Summaryinfo

A vulnerability, which was classified as critical, was found in Your Legacy Federal Credit Union Mobile Banking App 3.0.1 on iOS. Affected by this vulnerability is an unknown functionality of the component X.509 Certificate. Such manipulation as part of Crafted Certificate leads to certificate validation. This vulnerability is listed as CVE-2017-9592. The attack may be performed from remote. There is no available exploit.

Detailsinfo

A vulnerability was found in Your Legacy Federal Credit Union Mobile Banking App 3.0.1 on iOS (Banking Software). It has been rated as critical. Affected by this issue is some unknown functionality of the component X.509 Certificate. The manipulation as part of a Crafted Certificate 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. CVE summarizes:

The "Your Legacy Federal Credit Union Mobile Banking" by Your Legacy Federal Credit Union app 3.0.1 -- aka your-legacy-federal-credit-union-mobile-banking/id919131389 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 06/15/2017. The weakness was presented 06/16/2017 (Website). The advisory is shared for download at medium.com. This vulnerability is handled as CVE-2017-9592 since 06/12/2017. The exploitation is known to be difficult. The attack may be launched remotely. No form of authentication is required for exploitation. There are neither technical details nor an exploit publicly available. The MITRE ATT&CK project declares the attack technique as T1587.003.

The vulnerability was handled as a non-public zero-day exploit for at least 1 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.

See VDB-102574, VDB-102575, VDB-102576 and VDB-102577 for similar entries. VulDB is the best source for vulnerability data and more expert information about this specific topic.

Productinfo

Type

Vendor

Name

Version

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

AVACAuCIA
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VectorComplexityAuthenticationConfidentialityIntegrityAvailability
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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: 🔍

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Threat Intelligenceinfo

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

Countermeasuresinfo

Recommended: no mitigation known
Status: 🔍

0-Day Time: 🔍

Timelineinfo

06/12/2017 🔍
06/15/2017 +3 days 🔍
06/16/2017 +1 days 🔍
06/16/2017 +0 days 🔍
06/16/2017 +0 days 🔍
10/18/2019 +854 days 🔍

Sourcesinfo

Advisory: medium.com
Status: Not defined

CVE: CVE-2017-9592 (🔍)
GCVE (CVE): GCVE-0-2017-9592
GCVE (VulDB): GCVE-100-102608
See also: 🔍

Entryinfo

Created: 06/16/2017 21:16
Updated: 10/18/2019 15:53
Changes: 06/16/2017 21:16 (60), 10/18/2019 15:53 (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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