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CVE-2023-6729
Nokia SR OS: File Access Security Vulnerability

Public disclosure

17-10-2024

Last updated

17-10-2024

Vulnerability type

Incorrect Access Control

CVSS vector

CVSS:3.1/AV:L/AC:L/PR:L/UI:R/S:U/C:H/I:H/A:H

CVSS score

7.3

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.

Affected products and versions

Product

Versions

SR OS (7250 IXR, 7450 ESS, 7750 SR, 7950 IXR, VSR), 7705 SAR OS, 7210 SAS OS

All supported releases prior to Release 24

Mitigation plan

Mitigations are available for software releases prior to release 24. Please contact Nokia support for details. Secure defaults are introduced in Release 24.

 

Acknowledgements

  • Gianpiero Costantino (National Cybersecurity Agency (ACN))
  • Alessandro Esposito (National Cybersecurity Agency (ACN))
  • Alessandro Casale (National Cybersecurity Agency (ACN))

References

Change history : Initial version is published on 17-10-2024