CVE-2024-52510 Nextcloud Desktop client behaves incorrectly if the initial end-to-end-encryption signature is empty
Attackers can bypass end-to-end encryption signature validation by sending an empty initial signature, compromising data integrity for Nextcloud Desktop Client users.
- 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
- Available
What is CVE-2024-52510?
CVE-2024-52510 is a medium-severity vulnerability in nextcloud security-advisories, published on 15 Nov 2024. An attacker needs administrator access to exploit it, and only if a user opens a file or follows a link.
Official description
The Nextcloud Desktop Client is a tool to synchronize files from Nextcloud Server with your computer. The Desktop client did not stop with an error but allowed by-passing the signature validation, if a manipulated server sends an empty initial signature. It is recommended that the Nextcloud Desktop client is upgraded to 3.14.2 or later.
Weakness: CWE-295
Which versions are affected by CVE-2024-52510?
It affects 1 product.
Products include Nextcloud Desktop.
How do I fix CVE-2024-52510?
Upgrade to a fixed version.
Is CVE-2024-52510 being exploited?
There is no known exploitation of CVE-2024-52510 in the wild and no public exploit code.
Public exploit code: 1 proofs of concept on GitHub.
Other vulnerabilities in nextcloud security-advisories
- CVE-2024-46958 Misconfiguration in n/a
- CVE-2020-8224 Code injection in Desktop Client
- CVE-2020-8225 Information disclosure in Desktop Client
- CVE-2021-37617 Untrusted Search Path in Nextcloud Desktop Client
- CVE-2023-28999 Nextcloud: Lack of authenticity of metadata keys allows a malicious server to gain access to E2EE folders
Sources
Also known as DEBIAN-CVE-2024-52510, GHSA-r4qc-m9mj-452v, UBUNTU-CVE-2024-52510.