Avast Free Antivirus up to 19.1 AvastUI.exe Credentials credentials management

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.
5.5$0-$5k0.00

Summaryinfo

A vulnerability labeled as problematic has been found in Avast Free Antivirus up to 19.1. Impacted is an unknown function of the file AvastUI.exe. The manipulation results in credentials management (Credentials). This vulnerability is reported as CVE-2018-12572. The attack requires a local approach. No exploit exists. The affected component should be upgraded.

Detailsinfo

A vulnerability, which was classified as problematic, was found in Avast Free Antivirus up to 19.1 (Anti-Malware Software). Affected is an unknown part of the file AvastUI.exe. The manipulation with an unknown input leads to a credentials management vulnerability (Credentials). CWE is classifying the issue as CWE-255. This is going to have an impact on confidentiality. CVE summarizes:

Avast Free Antivirus prior to 19.1.2360 stores user credentials in memory upon login, which allows local users to obtain sensitive information by dumping AvastUI.exe application memory and parsing the data.

The bug was discovered 02/10/2019. The weakness was disclosed 03/21/2019. This vulnerability is traded as CVE-2018-12572 since 06/19/2018. Local access is required to approach this attack. A authentication is necessary for exploitation. Technical details are known, but there is no available exploit. This vulnerability is assigned to T1552 by the MITRE ATT&CK project.

The vulnerability was handled as a non-public zero-day exploit for at least 39 days. During that time the estimated underground price was around $0-$5k.

Upgrading to version 19.1.2360 eliminates this vulnerability.

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Productinfo

Type

Vendor

Name

Version

License

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 5.5
VulDB Meta Temp Score: 5.5

VulDB Base Score: 3.3
VulDB Temp Score: 3.2
VulDB Vector: 🔍
VulDB Reliability: 🔍

NVD Base Score: 7.8
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: Credentials
Class: Credentials management / Credentials
CWE: CWE-255
CAPEC: 🔍
ATT&CK: 🔍

Physical: Partially
Local: Yes
Remote: No

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: Free Antivirus 19.1.2360

Timelineinfo

06/19/2018 🔍
02/10/2019 +236 days 🔍
03/21/2019 +39 days 🔍
03/21/2019 +0 days 🔍
08/03/2023 +1596 days 🔍

Sourcesinfo

Advisory: 151590
Status: Not defined

CVE: CVE-2018-12572 (🔍)
GCVE (CVE): GCVE-0-2018-12572
GCVE (VulDB): GCVE-100-131862

Entryinfo

Created: 03/21/2019 22:27
Updated: 08/03/2023 08:21
Changes: 03/21/2019 22:27 (57), 05/17/2020 14:52 (1), 08/03/2023 08:21 (5)
Complete: 🔍
Cache ID: 216::103

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