Vulnerability Description
GNS3 ubridge through 0.9.18 on macOS, as used in GNS3 server before 2.1.17, allows a local attacker to read arbitrary files because it handles configuration-file errors by printing the configuration file while executing in a setuid root context.
CVSS Score
MEDIUM
Affected Products
| Vendor | Product | Versions |
|---|---|---|
| Gns3 | Ubridge | <= 0.9.18 |
| Gns3 | Gns3 | < 2.1.17 |
Related Weaknesses (CWE)
References
- https://github.com/GNS3/gns3-server/releases/tag/v2.1.17Release NotesThird Party Advisory
- https://github.com/GNS3/ubridge/commit/2eb0d1dab6a6de76cf3556130a2d52af101077dbPatchThird Party Advisory
- https://theevilbit.github.io/posts/ExploitThird Party Advisory
- https://www.gns3.com/Vendor Advisory
- https://github.com/GNS3/gns3-server/releases/tag/v2.1.17Release NotesThird Party Advisory
- https://github.com/GNS3/ubridge/commit/2eb0d1dab6a6de76cf3556130a2d52af101077dbPatchThird Party Advisory
- https://theevilbit.github.io/posts/ExploitThird Party Advisory
- https://www.gns3.com/Vendor Advisory
FAQ
What is CVE-2020-14976?
CVE-2020-14976 is a vulnerability with a CVSS score of 5.5 (MEDIUM). GNS3 ubridge through 0.9.18 on macOS, as used in GNS3 server before 2.1.17, allows a local attacker to read arbitrary files because it handles configuration-file errors by printing the configuration f...
How severe is CVE-2020-14976?
CVE-2020-14976 has been rated MEDIUM with a CVSS base score of 5.5/10. Review the CVSS metrics above for detailed severity breakdown.
Is there a patch for CVE-2020-14976?
Check the references section above for vendor advisories and patch information. Affected products include: Gns3 Ubridge, Gns3 Gns3.