CVE-2023-5160 Full name disclosure via team top membership with Show Full Name option disabled
Attackers can retrieve other users' full names via an API endpoint, bypassing the privacy setting that hides this information.
- 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-2023-5160?
CVE-2023-5160 is a medium-severity vulnerability in Mattermost Mattermost, published on 2 Oct 2023. Any signed-in user can exploit it over the network, with no action from the victim.
Official description
Mattermost fails to check the Show Full Name option at the /api/v4/teams/TEAM_ID/top/team_members endpoint allowing a member to get the full name of another user even if the Show Full Name option was disabled
Weakness: CWE-200
Which versions are affected by CVE-2023-5160?
It affects 1 product.
Products include Mattermost Mattermost.
How do I fix CVE-2023-5160?
No fix has been published for CVE-2023-5160 yet. Limit exposure of the affected software until one is available.
Is CVE-2023-5160 being exploited?
There is no known exploitation of CVE-2023-5160 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-4f96-v6r6-c7jh.