CVE-2023-22737 wire-server vulnerable to unauthorized removal of Bots from Conversations
Regular conversation members can remove bots due to missing permission checks, requiring an upgrade to the Wire backend server.
- 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-2023-22737?
CVE-2023-22737 is a medium-severity missing authorization vulnerability in wireapp wire-server, published on 27 Jan 2023. Any signed-in user can exploit it over the network, with no action from the victim.
Official description
wire-server provides back end services for Wire, a team communication and collaboration platform. Prior to version 2022-12-09, every member of a Conversation can remove a Bot from a Conversation due to a missing permissions check. Only Conversation admins should be able to remove Bots. Regular Conversations are not allowed to do so. The issue is fixed in wire-server 2022-12-09 and is already deployed on all Wire managed services. On-premise instances of wire-server need to be updated to 2022-12-09/Chart 4.29.0, so that their backends are no longer affected. There are no known workarounds.
Which versions are affected by CVE-2023-22737?
It affects 1 product.
Products include Wire Wire.
How do I fix CVE-2023-22737?
No fix has been published for CVE-2023-22737 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-2023-22737 being exploited?
There is no known exploitation of CVE-2023-22737 in the wild and no public exploit code.
Other vulnerabilities in wireapp wire-server
Sources
Also known as GHSA-xmjc-c6w3-pcp4.