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CVE-2021-34823

CRITICAL

9.1

Beschreibung

The ON24 ScreenShare (aka DesktopScreenShare.app) plugin before 2.0 for macOS allows remote file access via its built-in HTTP server. This allows unauthenticated remote users to retrieve files accessible to the logged-on macOS user. When a remote user sends a crafted HTTP request to the server, it triggers a code path that will download a configuration file from a specified remote machine over HTTP. There is an XXE flaw in processing of this configuration file that allows reading local (to macOS) files and uploading them to remote machines.

CVE Details

CVSS v3.1 Bewertung9.1

SchweregradCRITICAL

CVSS VektorCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:N

AngriffsvektorNETWORK

KomplexitatLOW

Erforderliche PrivilegienNONE

BenutzerinteraktionNONE

Veroffentlicht8/13/2021

Zuletzt geandert11/21/2024

Quellenvd

Honeypot-Sichtungen0

Betroffene Produkte

on24:screenshare

Schwachen (CWE)

CWE-611

Referenzen

https://www.trustwave.com/en-us/resources/security-resources/security-advisories/(cve@mitre.org)

https://www.trustwave.com/en-us/resources/security-resources/security-advisories/?fid=29105(cve@mitre.org)

https://www.trustwave.com/en-us/resources/security-resources/security-advisories/(af854a3a-2127-422b-91ae-364da2661108)

https://www.trustwave.com/en-us/resources/security-resources/security-advisories/?fid=29105(af854a3a-2127-422b-91ae-364da2661108)

IOC Korrelationen

Keine Korrelationen erfasst

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