CVE-2023-2784 Apps Framework allows install requests from regular members via an internal path
Regular users can install apps due to missing admin verification, potentially leading to privilege escalation or code execution.
- Exploited in the wild
- Not known
- Login needed
- Any signed-in user
- Attackable
- Over the internet
- Victim action needed
- Not needed
- Fix
- None listed
What is CVE-2023-2784?
CVE-2023-2784 is a medium-severity missing authorization vulnerability in Mattermost Mattermost, published on 16 Jun 2023. Any signed-in user can exploit it over the network, with no action from the victim.
Official description
Mattermost fails to verify if the requestor is a sysadmin or not, before allowing `install` requests to the Apps allowing a regular user send install requests to the Apps.
Weakness: CWE-862
Which versions are affected by CVE-2023-2784?
It affects 1 product.
Products include Mattermost Mattermost.
How do I fix CVE-2023-2784?
No fix has been published for CVE-2023-2784 yet. Limit exposure of the affected software until one is available.
Upgrade, and check permissions on every request on the server, not only in the interface. More about Missing authorization.
Is CVE-2023-2784 being exploited?
There is no known exploitation of CVE-2023-2784 in the wild and no public exploit code.
Other vulnerabilities in Mattermost Mattermost
- CVE-2019-20851 Path traversal in n/a
- CVE-2024-39274 Malicious remote can add users to arbitrary teams and channels
- CVE-2024-39777 Malicious remote can invite itself to an arbitrary local channel
- CVE-2024-39830 Timing attack during remote cluster token comparison when shared channels are enabled
- CVE-2023-3615 Lack of server certificate validation in websockets connection
Sources
Also known as GHSA-8jf2-78m7-7f8v.