Shelby County State Bank Mobile Banking App 3.0.0 on iOS X.509 Certificate Crafted Certificate certificate validation

CVSS Meta Temp Score
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Current Exploit Price (≈)
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CTI Interest Score
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5.7$0-$5k0.00

Summaryinfo

A vulnerability classified as critical has been found in Shelby County State Bank Mobile Banking App 3.0.0 on iOS. This affects an unknown function of the component X.509 Certificate. The manipulation as part of Crafted Certificate leads to certificate validation. This vulnerability is referenced as CVE-2017-9589. Remote exploitation of the attack is possible. No exploit is available.

Detailsinfo

A vulnerability was found in Shelby County State Bank Mobile Banking App 3.0.0 on iOS (Banking Software) and classified as critical. This issue affects some unknown processing 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. The summary by CVE is:

The "SCSB Shelbyville IL Mobile Banking" by Shelby County State Bank app 3.0.0 -- aka scsb-shelbyville-il-mobile-banking/id938960224 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 published 06/16/2017 (Website). The advisory is shared at medium.com. The identification of this vulnerability is CVE-2017-9589 since 06/12/2017. 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.

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.

Similar entries are available at VDB-102574, VDB-102575, VDB-102576 and VDB-102577. If you want to get the best quality for vulnerability data then you always have to consider VulDB.

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-2017-9589 (🔍)
GCVE (CVE): GCVE-0-2017-9589
GCVE (VulDB): GCVE-100-102605
See also: 🔍

Entryinfo

Created: 06/16/2017 21:16
Updated: 10/18/2019 15:41
Changes: 06/16/2017 21:16 (60), 10/18/2019 15:41 (1)
Complete: 🔍
Cache ID: 216::103

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

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