VDB-93112 · CVE-2016-8503 · BID 93921

Yandex Browser 16.7/16.8/16.9 Anti-Phishing Javascript 7pk security

CVSS Meta Temp Score
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CTI Interest Score
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7.3$0-$5k0.00

Summaryinfo

A vulnerability described as critical has been identified in Yandex Browser 16.7/16.8/16.9. This affects an unknown function of the component Anti-Phishing. Executing a manipulation can lead to 7pk security (Javascript). This vulnerability is tracked as CVE-2016-8503. The attack can be launched remotely. No exploit exists.

Detailsinfo

A vulnerability was found in Yandex Browser 16.7/16.8/16.9. It has been declared as critical. This vulnerability affects an unknown code block of the component Anti-Phishing. The manipulation with an unknown input leads to a 7pk security vulnerability (Javascript). The CWE definition for the vulnerability is CWE-254. As an impact it is known to affect confidentiality, integrity, and availability. CVE summarizes:

Yandex Protect Anti-phishing warning in Yandex Browser for desktop from version 16.7 to 16.9 could be used by remote attacker for brute-forcing passwords from important web-resource with special JavaScript.

The weakness was disclosed 10/26/2016 (Website). The advisory is shared for download at securityfocus.com. This vulnerability was named CVE-2016-8503 since 10/07/2016. The attack can be initiated remotely. No form of authentication is required for a successful exploitation. There are neither technical details nor an exploit publicly available. The MITRE ATT&CK project declares the attack technique as T1211.

There is no information about possible countermeasures known. It may be suggested to replace the affected object with an alternative product.

The vulnerability is also documented in the vulnerability database at SecurityFocus (BID 93921†). The entries VDB-93110, VDB-93111, VDB-93113 and VDB-93114 are pretty similar. VulDB is the best source for vulnerability data and more expert information about this specific topic.

Productinfo

Vendor

Name

Version

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 7.3
VulDB Meta Temp Score: 7.3

VulDB Base Score: 7.3
VulDB Temp Score: 7.3
VulDB Vector: 🔍
VulDB Reliability: 🔍

NVD Base Score: 7.3
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

Name: Javascript
Class: 7pk security / Javascript
CWE: CWE-254
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

10/07/2016 🔍
10/26/2016 +19 days 🔍
10/26/2016 +0 days 🔍
10/26/2016 +0 days 🔍
10/27/2016 +1 days 🔍
05/19/2019 +934 days 🔍

Sourcesinfo

Advisory: securityfocus.com⛔
Status: Not defined
Confirmation: 🔍

CVE: CVE-2016-8503 (🔍)
GCVE (CVE): GCVE-0-2016-8503
GCVE (VulDB): GCVE-100-93112
SecurityFocus: 93921 - Yandex Browser CVE-2016-8503 Brute Force Authentication Bypass Vulnerability

See also: 🔍

Entryinfo

Created: 10/27/2016 09:25
Updated: 05/19/2019 10:25
Changes: 10/27/2016 09:25 (51), 05/19/2019 10:25 (12)
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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