CVE-2019-18893

Published: Jan 13, 2020Updated: Nov 21, 2024 Sources: CVE List NVDCWE-79

6.1MEDIUM

NVD MITRE

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.

No summary for this CVE yet.

CVSS Vector Breakdown

Exploitability

AV:NAttack Vector

Network

AC:LAttack Complexity

Low

PR:NPrivileges Required

None

UI:RUser Interaction

Required

Scope

S:CScope

Changed

Impact

C:LConfidentiality

Low

I:LIntegrity

Low

A:NAvailability

None

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Weaknesses

CWE-79

Affected Products

avast

commercial·CZaka avast free antivirus, avast antivirus

secure browserOn-premDesktop App

Security Products / secure-gateway-vpn

avg

commercialaka anti-virus, avg antivirus, avg anti-virus, antivirus

secure browserMixed

Security Products / endpoint-av-edr

video downloader project

video downloader

Consumer Software / file-utility

and 1 more affected products View all →

Exploitability

1 exploit source identified

Exploit details including PoC links, Metasploit modules, and scanner templates are available after registration.

View exploit details

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Attack Graph

Products CVE Techniques Tactics

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MITRE ATT&CK

2 techniques

Execution

Initial Access

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References

https://palant.de/2020/01/13/pwning-avast-secure-browser-for-fun-and-profit/

palant.de

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Exploit details & PoC links

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