CVE-2019-18893
CVSS V2 Medium 4.3
CVSS V3 Medium 6.1
Description
XSS in the Video Downloader component before 1.5 of Avast Secure Browser 77.1.1831.91 and AVG Secure Browser 77.0.1790.77 allows websites to execute their code in the context of this component. While Video Downloader is technically a browser extension, it is granted a very wide set of privileges and can for example access cookies and browsing history, spy on the user while they are surfing the web, and alter their surfing experience in almost arbitrary ways.
Overview
- CVE ID
- CVE-2019-18893
- Assigner
- cve@mitre.org
- Vulnerability Status
- Analyzed
- Published Version
- 2020-01-13T17:15:11
- Last Modified Date
- 2020-01-22T19:47:09
Weakness Enumerations
CPE Configuration (Product)
| CPE | Vulnerable | Operator | Version Start | Version End |
|---|---|---|---|---|
| cpe:2.3:a:avast:secure_browser:77.1.1831.91:*:*:*:*:*:*:* | 1 | OR | ||
| cpe:2.3:a:avg:secure_browser:77.0.1790.77:*:*:*:*:*:*:* | 1 | OR | ||
| cpe:2.3:a:video_downloader_project:video_downloader:*:*:*:*:*:*:*:* | 1 | OR | 1.5 |
CVSS Version 2
- Version
- 2.0
- Vector String
- AV:N/AC:M/Au:N/C:N/I:P/A:N
- Access Vector
- NETWORK
- Access Compatibility
- MEDIUM
- Authentication
- NONE
- Confidentiality Impact
- NONE
- Integrity Impact
- PARTIAL
- Availability Impact
- NONE
- Base Score
- 4.3
- Severity
- MEDIUM
- Exploitability Score
- 8.6
- Impact Score
- 2.9
CVSS Version 3
- Version
- 3.1
- Vector String
- CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N
- Attack Vector
- NETWORK
- Attack Compatibility
- LOW
- Privileges Required
- NONE
- User Interaction
- REQUIRED
- Scope
- CHANGED
- Confidentiality Impact
- LOW
- Availability Impact
- NONE
- Base Score
- 6.1
- Base Severity
- MEDIUM
- Exploitability Score
- 2.8
- Impact Score
- 2.7
References
| Reference URL | Reference Tags |
|---|---|
| https://palant.de/2020/01/13/pwning-avast-secure-browser-for-fun-and-profit/ | Exploit Third Party Advisory |
Sources
| Source Name | Source URL |
|---|---|
| NIST | https://nvd.nist.gov/vuln/detail/CVE-2019-18893 |
| MITRE | https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2019-18893 |
History
| Created | Old Value | New Value | Data Type | Notes |
|---|---|---|---|---|
| 2022-05-10 16:52:45 | Added to TrackCVE | |||
| 2022-12-04 09:19:32 | 2020-01-13T17:15Z | 2020-01-13T17:15:11 | CVE Published Date | updated |
| 2022-12-04 09:19:32 | 2020-01-22T19:47:09 | CVE Modified Date | updated | |
| 2022-12-04 09:19:32 | Analyzed | Vulnerability Status | updated |