CVE-2023-6729 Nokia SR OS: File Access Security Vulnerability
Low-privilege users with console access can read or modify router configuration files via SFTP/SCP, potentially causing compromise or denial of service.
- Exploited in the wild
- Not known
- Login needed
- Any signed-in user
- Attackable
- Local or same network only
- Victim action needed
- A user has to click or open something
- Fix
- None listed
What is CVE-2023-6729?
CVE-2023-6729 is a high-severity missing authorization vulnerability in Nokia SR OS (7250 IXR, 7450 ESS, 7750 SR, 7950 IXR, VSR), 7705 SAR OS, 7210 SAS OS, published on 17 Oct 2024. It can only be exploited from the same machine or local network, and only if a user opens a file or follows a link.
Official description
Nokia SR OS routers allow read-write access to the entire file system via SFTP or SCP for users configured with "access console." Consequently, a low privilege authenticated user with "access console" can read or replace the router configuration file as well as other files stored in the Compact Flash or SD card without using CLI commands. This type of attack can lead to a compromise or denial of service of the router after the system is rebooted.
Weakness: CWE-732
Which versions are affected by CVE-2023-6729?
How do I fix CVE-2023-6729?
No fix has been published for CVE-2023-6729 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-2023-6729 being exploited?
There is no known exploitation of CVE-2023-6729 in the wild and no public exploit code.
Sources
Also known as GHSA-wmqp-549h-p884.