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VULNERABILITIES

CVE-2020-14976 Details

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.

Metrics

CVSS 3.x Severity and Vector Strings:

NIST: [email protected]CVSS-B:5.5 MEDIUMVector:CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N

References to Advisories, Solutions, and Tools

By selecting these links, you will be leaving this site. These are references gathered from the official CVE record and are not endorsed by Volerion.

URLSource(s)Tag(s)
https://github.com/GNS3/gns3-server/releases/tag/v2.1.17 CVERelease NotesThird Party Advisory
https://github.com/GNS3/ubridge/commit/2eb0d1dab6a6de76cf3556130a2d52af101077db CVEPatchThird Party Advisory
https://theevilbit.github.io/posts/ CVEExploitThird Party Advisory
https://www.gns3.com/ CVEVendor Advisory
https://github.com/GNS3/gns3-server/releases/tag/v2.1.17 [email protected]Release NotesThird Party Advisory

see all 8 references

Weakness Enumeration

CWE-IDCWE NameSource
CWE-269Improper Privilege Management[email protected]

Affected Products

ProductVersions
gns3 ubridge
<= 0.9.18

CPE

  • cpe:2.3:a:gns3:ubridge:*:*:*:*:*:macos:*:*

Remediation

  • No remediation found in references.
gns3 gns3
< 2.1.17

CPE

  • cpe:2.3:a:gns3:gns3:*:*:*:*:*:*:*:*

Remediation

  • No remediation found in references.

Change History

5 change records found show changes

QUICK INFO

CVE Dictionary Entry:
CVE-2020-14976
NVD Published Date:
Jun 23, 2020
NVD Last Modified:
Jun 17, 2026
Source:
[email protected]
CVE-2020-14976 Details - Not Deferred