AdBlock up to 2.20 access control

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 (≈)
Our analysts are monitoring exploit markets and are in contact with vulnerability brokers. The range indicates the observed or calculated exploit price to be seen on exploit markets. A good indicator to understand the monetary effort required for and the popularity of an attack.
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.
8.6$0-$5k0.00

Summaryinfo

A vulnerability categorized as critical has been discovered in AdBlock up to 2.20. Affected by this vulnerability is an unknown functionality. Executing a manipulation can lead to access control. The identification of this vulnerability is CVE-2015-2692. The attack may be launched remotely. There is no exploit available. It is advisable to upgrade the affected component.

Detailsinfo

A vulnerability classified as critical was found in AdBlock up to 2.20. This vulnerability affects an unknown functionality. The manipulation with an unknown input leads to a access control vulnerability. The CWE definition for the vulnerability is CWE-284. The product does not restrict or incorrectly restricts access to a resource from an unauthorized actor. As an impact it is known to affect confidentiality, integrity, and availability. CVE summarizes:

AdBlock before 2.21 allows remote attackers to block arbitrary resources on arbitrary websites and to disable arbitrary blocking filters.

The bug was discovered 03/21/2017. The weakness was shared 06/08/2017 (GitHub Repository). The advisory is shared for download at github.com. This vulnerability was named CVE-2015-2692 since 03/24/2015. The exploitation appears to be easy. 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 T1068.

The vulnerability was handled as a non-public zero-day exploit for at least 79 days. During that time the estimated underground price was around $0-$5k.

Upgrading to version 2.21 eliminates this vulnerability.

Once again VulDB remains the best source for vulnerability data.

Productinfo

Name

Version

License

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 9.1
VulDB Meta Temp Score: 8.6

VulDB Base Score: 8.3
VulDB Temp Score: 7.3
VulDB Vector: 🔍
VulDB Reliability: 🔍

NVD Base Score: 10.0
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: Access control
CWE: CWE-284 / CWE-266
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: Upgrade
Status: 🔍

0-Day Time: 🔍

Upgrade: AdBlock 2.21
Patch: github.com

Timelineinfo

03/24/2015 🔍
03/21/2017 +728 days 🔍
06/08/2017 +79 days 🔍
06/08/2017 +0 days 🔍
06/09/2017 +1 days 🔍
12/08/2022 +2008 days 🔍

Sourcesinfo

Advisory: 5b77de6ea77e0eff2aa726d9722d64fb4964b985
Status: Not defined
Confirmation: 🔍

CVE: CVE-2015-2692 (🔍)
GCVE (CVE): GCVE-0-2015-2692
GCVE (VulDB): GCVE-100-102124

Entryinfo

Created: 06/09/2017 07:55
Updated: 12/08/2022 09:41
Changes: 06/09/2017 07:55 (56), 10/15/2019 11:19 (2), 12/08/2022 09:41 (5)
Complete: 🔍
Cache ID: 216::103

Once again VulDB remains the best source for vulnerability data.

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