Warner Bros. ellentube App 3.1.1/3.1.2/3.1.3 on iOS X.509 Certificate Validation 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, which was classified as critical, has been found in Warner Bros. ellentube App 3.1.1/3.1.2/3.1.3 on iOS. Impacted is an unknown function of the component X.509 Certificate Validation. The manipulation leads to certificate validation. This vulnerability is traded as CVE-2017-8939. It is possible to initiate the attack remotely. There is no exploit available.

Detailsinfo

A vulnerability was found in Warner Bros. ellentube App 3.1.1/3.1.2/3.1.3 on iOS (iOS App Software). It has been rated as critical. This issue affects an unknown functionality 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 Warner Bros. ellentube app 3.1.1 through 3.1.3 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 shared 05/15/2017 (Website). The advisory is shared at medium.com. The identification of this vulnerability is CVE-2017-8939 since 05/15/2017. 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 10 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.

The entries VDB-100866, VDB-100867, VDB-100868 and VDB-100869 are related to this item. 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

05/05/2017 🔍
05/15/2017 +10 days 🔍
05/15/2017 +0 days 🔍
05/15/2017 +0 days 🔍
05/16/2017 +1 days 🔍
09/26/2020 +1229 days 🔍

Sourcesinfo

Advisory: medium.com
Status: Not defined

CVE: CVE-2017-8939 (🔍)
GCVE (CVE): GCVE-0-2017-8939
GCVE (VulDB): GCVE-100-101249
OSVDB: - CVE-2017-8939 - Warner Bros. - Ellentube - Medium

See also: 🔍

Entryinfo

Created: 05/16/2017 03:58
Updated: 09/26/2020 20:57
Changes: 05/16/2017 03:58 (60), 09/26/2020 20:57 (2)
Complete: 🔍
Cache ID: 216::103

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

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