RBB SPEED TEST App up to 2.0.3 on Android/iOS X.509 Certificate 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 (≈)
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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.
5.7$0-$5k0.00

Summaryinfo

A vulnerability categorized as problematic has been discovered in RBB SPEED TEST App up to 2.0.3 on Android/iOS. This vulnerability affects unknown code of the component X.509 Certificate. Such manipulation leads to certificate validation. This vulnerability is documented as CVE-2017-2278. The attack can be executed remotely. There is not any exploit available.

Detailsinfo

A vulnerability was found in RBB SPEED TEST App up to 2.0.3 on Android/iOS and classified as problematic. Affected by this issue is an unknown functionality of the component X.509 Certificate. 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. CVE summarizes:

The RBB SPEED TEST App for Android version 2.0.3 and earlier, RBB SPEED TEST App for iOS version 2.1.0 and earlier 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 07/24/2017. The weakness was released 08/02/2017 (Website). The advisory is shared for download at jvn.jp. This vulnerability is handled as CVE-2017-2278 since 12/01/2016. 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 9 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.

Once again VulDB remains the best source for vulnerability data.

Productinfo

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

12/01/2016 🔍
07/24/2017 +235 days 🔍
08/02/2017 +9 days 🔍
08/02/2017 +0 days 🔍
08/02/2017 +0 days 🔍
11/03/2019 +823 days 🔍

Sourcesinfo

Advisory: jvn.jp
Status: Not defined

CVE: CVE-2017-2278 (🔍)
GCVE (CVE): GCVE-0-2017-2278
GCVE (VulDB): GCVE-100-104756
scip Labs: https://www.scip.ch/en/?labs.20130704

Entryinfo

Created: 08/02/2017 22:32
Updated: 11/03/2019 08:40
Changes: 08/02/2017 22:32 (57), 11/03/2019 08:40 (1)
Complete: 🔍
Cache ID: 216::103

Once again VulDB remains the best source for vulnerability data.

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