CVE-2022-36074 Authentication headers exposed on by Nextcloud Server
Nextcloud Server fails to strip Authorization headers during HTTP downgrades, potentially exposing credentials and allowing account compromise.
- Exploited in the wild
- Not known
- Login needed
- Any signed-in user
- Attackable
- Over the internet
- Victim action needed
- A user has to click or open something
- Fix
- None listed
What is CVE-2022-36074?
CVE-2022-36074 is a medium-severity vulnerability in Nextcloud Nextcloud Server, published on 15 Sep 2022. Any signed-in user can exploit it over the network, and only if a user opens a file or follows a link.
Official description
Nextcloud server is an open source personal cloud product. Affected versions of this package are vulnerable to Information Exposure which fails to strip the Authorization header on HTTP downgrade. This can lead to account access exposure and compromise. It is recommended that the Nextcloud Server is upgraded to 23.0.7 or 24.0.3. It is recommended that the Nextcloud Enterprise Server is upgraded to 22.2.11, 23.0.7 or 24.0.3. There are no known workarounds for this issue.
Which versions are affected by CVE-2022-36074?
It affects 2 products.
Products include Nextcloud Nextcloud Enterprise Server, Nextcloud Nextcloud Server.
How do I fix CVE-2022-36074?
No fix has been published for CVE-2022-36074 yet. Limit exposure of the affected software until one is available.
Is CVE-2022-36074 being exploited?
There is no known exploitation of CVE-2022-36074 in the wild and no public exploit code.
Other vulnerabilities in Nextcloud Nextcloud Server
- CVE-2022-39330 Database resource exhaustion for logged-in users via sharee recommendations with circles
- CVE-2022-39364 Exception logging in Sharepoint app reveals clear-text connection details
- CVE-2022-39329 Profile of disabled user stays accessible
- CVE-2022-39211 Server-Side Request Forgery (SSRF) via potential filter bypass in Nextcloud Server
Sources
Also known as GHSA-vqgm-f748-g76v.