CVE-2023-23944 Nexcloud Mail app temporarily stores cleartext password in database
Attackers with database access can read cleartext user passwords stored during OAuth2 setup in the Nextcloud Mail app.
- Exploited in the wild
- Not known
- Login needed
- An administrator
- Attackable
- Over the internet
- Victim action needed
- A user has to click or open something
- Fix
- None listed
What is CVE-2023-23944?
CVE-2023-23944 is a low-severity vulnerability in nextcloud security-advisories, published on 6 Feb 2023. An attacker needs administrator access to exploit it, and only if a user opens a file or follows a link.
Official description
Nextcloud mail is an email app for the nextcloud home server platform. In versions prior to 2.2.2 user's passwords were stored in cleartext in the database during the duration of OAuth2 setup procedure. Any attacker or malicious user with access to the database would have access to these user passwords until the OAuth setup has been completed. It is recommended that the Nextcloud Mail app is upgraded to 2.2.2. There are no known workarounds for this issue.
Weakness: CWE-312
Which versions are affected by CVE-2023-23944?
It affects 1 product.
Products include Nextcloud Mail.
How do I fix CVE-2023-23944?
No fix has been published for CVE-2023-23944 yet. Limit exposure of the affected software until one is available.
Is CVE-2023-23944 being exploited?
There is no known exploitation of CVE-2023-23944 in the wild and no public exploit code.
Other vulnerabilities in nextcloud security-advisories
- CVE-2021-32652 Missing permission check on email metadata retrieval
- CVE-2022-31132 Unauthenticated SSRF in 3rd party module "cerdic/csstidy"
- CVE-2024-52508 Nextcloud Mail auto configurator can be tricked into sending account information to wrong servers
- CVE-2023-23943 Blind SSRF via server URL input in the Nextcloud Mail app
- CVE-2023-45660 Require strict cookies for image proxy requests in Nextcloud Mail
Sources
Also known as GHSA-g86r-x755-93f4.