CVE Vulnerability

CVE-2020-14976

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.

4.9 /10

CVSS v2.0 :

V3 Legend

Vector :

Exploitability : 3.9 / Impact : 6.9

Attack Vector

Attack Complexity

Privileges Required

User Interaction

Confidentiality Impact COMPLETE

Integrity Impact NONE

Availability Impact NONE

Scope

5.5 /10

CVSS v3.0 : MEDIUM

V3 Legend

Vector :

Exploitability : 1.8 / Impact : 3.6

Attack Vector LOCAL

Attack Complexity LOW

Privileges Required LOW

User Interaction NONE

Confidentiality Impact HIGH

Integrity Impact NONE

Availability Impact NONE

Scope UNCHANGED

References
Link Resource
https://github.com/GNS3/ubridge/commit/2eb0d1dab6a6de76cf3556130a2d52af101077db Patch Third Party Advisory
https://theevilbit.github.io/posts/ Exploit Third Party Advisory
https://github.com/GNS3/gns3-server/releases/tag/v2.1.17 Release Notes Third Party Advisory
https://www.gns3.com/ Vendor Advisory
Configurations

Configuration 1
Information

Published : 2020-06-23 08:15

Updated : 2021-07-21 11:39

NVD link : CVE-2020-14976

Mitre link : CVE-2020-14976

Products Affected
No products.
CWE
CWE-269