PT-2023-32152 · Mattermost · Mattermost Mobile

Šimon Čecháček · Published 2023-10-17 · Updated 2023-10-24 · CVE-2023-5522

Positive Technologies (AI Summary)

CVSS v3.1

4.3

Medium

Base vector

AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:L

Name of the Vulnerable Software and Affected Versions Mattermost Mobile (affected versions not specified)

Description The issue allows an attacker to send a post with hundreds of emojis to a channel, which can freeze the mobile app of users when viewing that particular channel. This occurs because Mattermost Mobile fails to limit the maximum number of Markdown elements in a post.

Recommendations At the moment, there is no information about a newer version that contains a fix for this vulnerability.

Resource Exhaustion

Weakness Enumeration

CWE-400

Related Identifiers

CVE-2023-5522

Affected Products

Mattermost Mobile

References · 6

• https://osv.dev/vulnerability/CVE-2023-5522 · Vendor Advisory
• https://mattermost.com/security-updates · Vendor Advisory
• https://nvd.nist.gov/vuln/detail/CVE-2023-5522 · Security Note
• https://t.me/cibsecurity/72414 · Telegram Post
• https://twitter.com/CVEnew/status/1714218052072701953 · Twitter Post
• https://twitter.com/VulmonFeeds/status/1714258908846408137 · Twitter Post