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.

CVSS v3.0 5.5 MEDIUM
CVSS v2.0 4.9 MEDIUM

5.5^/10

CVSS v3.0 : MEDIUM

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

4.9^/10

CVSS v2.0 : MEDIUM

Vector : AV:L/AC:L/Au:N/C:C/I:N/A:N

Exploitability : 3.9 / Impact : 6.9

Access Vector LOCAL

Access Complexity LOW

Authentication NONE

Confidentiality Impact COMPLETE

Integrity Impact NONE

Availability Impact NONE

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

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Configurations

Configuration 1 (hide)

AND

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

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

Information

Published : 2020-06-23 13:15

Updated : 2021-07-21 04:39

NVD link : CVE-2020-14976

Mitre link : CVE-2020-14976

JSON object : View

CWE

CWE-269

Improper Privilege Management

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Products Affected

gns3

ubridge
gns3

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