PT-2024-28668 · Mattermost · Mattermost Desktop App

C0Rydoras + 1 · Published 2024-09-16 · Updated 2024-11-01 · CVE-2024-39772

Positive Technologies (AI Summary)

CVSS v4.0

6.3

Medium

Base vector

AV:N/AC:H/AT:N/PR:N/UI:N/VC:L/VI:N/VA:N/SC:N/SI:N/SA:N

Name of the Vulnerable Software and Affected Versions Mattermost Desktop App versions <=5.8.0

Description The issue concerns a flaw in the screen capture functionality of the Mattermost Desktop App, allowing an attacker to silently capture high-quality screenshots via JavaScript APIs.

Recommendations For Mattermost Desktop App versions <=5.8.0, update to a version higher than 5.8.0 to resolve the issue. As a temporary workaround, consider disabling the screen capture functionality until a patch is available. Restrict access to sensitive information on devices running the affected versions to minimize the risk of exploitation.

Fix

Improper Access Control

Weakness Enumeration

CWE-284

Related Identifiers

BIT-MATTERMOST-2024-39772

CVE-2024-39772

GHSA-5777-RCJJ-9P22

Affected Products

Mattermost Desktop App

References · 9

• https://nvd.nist.gov/vuln/detail/CVE-2024-39772 · Security Note
• https://mattermost.com/security-updates · Vendor Advisory
• https://osv.dev/vulnerability/CVE-2024-39772 · Vendor Advisory
• https://osv.dev/vulnerability/BIT-mattermost-2024-39772 · Vendor Advisory
• https://osv.dev/vulnerability/GHSA-5777-rcjj-9p22 · Vendor Advisory
• https://github.com/mattermost/desktop · Note
• https://twitter.com/VulmonFeeds/status/1835723481410879501 · Twitter Post
• https://t.me/cvedetector/5728 · Telegram Post
• https://twitter.com/CVEnew/status/1835688854700921058 · Twitter Post