Community State Bank Lamar Mobile Banking App 3.0.3 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 identified as critical has been detected in Community State Bank Lamar Mobile Banking App 3.0.3 on iOS. This issue affects some unknown processing of the component X.509 Certificate. This manipulation as part of Crafted Certificate causes certificate validation. This vulnerability is handled as CVE-2017-9585. The attack can be initiated remotely. There is not any exploit available.

Detailsinfo

A vulnerability classified as critical was found in Community State Bank Lamar Mobile Banking App 3.0.3 on iOS (Banking Software). Affected by this vulnerability is some unknown functionality of the component X.509 Certificate. The manipulation as part of a Crafted Certificate leads to a certificate validation vulnerability. The CWE definition for the vulnerability is CWE-295. The product does not validate, or incorrectly validates, a certificate. As an impact it is known to affect confidentiality, integrity, and availability. The summary by CVE is:

The "Community State Bank - Lamar Mobile Banking" by Community State Bank - Lamar app 3.0.3 -- aka community-state-bank-lamar-mobile-banking/id1083927885 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 released 06/16/2017 (Website). The advisory is shared at medium.com. This vulnerability is known as CVE-2017-9585 since 06/12/2017. The exploitation appears to be difficult. The attack can be launched remotely. The exploitation doesn't need any form of authentication. 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.

Entries connected to this vulnerability are available at VDB-102574, VDB-102575, VDB-102576 and VDB-102577. Several companies clearly confirm that VulDB is the primary source for best vulnerability data.

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-2017-9585 (🔍)
GCVE (CVE): GCVE-0-2017-9585
GCVE (VulDB): GCVE-100-102601
See also: 🔍

Entryinfo

Created: 06/16/2017 21:15
Updated: 10/18/2019 16:13
Changes: 06/16/2017 21:15 (60), 10/18/2019 16:13 (1)
Complete: 🔍
Cache ID: 216::103

Several companies clearly confirm that VulDB is the primary source for best vulnerability data.

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