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.
References (4)
Core 4
Core References
Vendor Advisory x_refsource_misc
https://www.gns3.com/
Patch, Third Party Advisory x_refsource_misc
https://github.com/GNS3/ubridge/commit/2eb0d1dab6a6de76cf3556130a2d52af101077db
Release Notes, Third Party Advisory x_refsource_misc
https://github.com/GNS3/gns3-server/releases/tag/v2.1.17
Exploit, Third Party Advisory x_refsource_misc
https://theevilbit.github.io/posts/
Scores
CVSS v3
5.5
EPSS
0.0048
EPSS Percentile
38.0%
Attack Vector
LOCAL
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N
Details
CWE
CWE-269
Status
published
Products (1)
gns3/ubridge
< 0.9.18
Published
Jun 23, 2020
Tracked Since
Feb 18, 2026