CVE-2020-14976

CVSS V2 Medium 4.9 CVSS V3 Medium 5.5
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.
Overview
  • CVE ID
  • CVE-2020-14976
  • Assigner
  • cve@mitre.org
  • Vulnerability Status
  • Analyzed
  • Published Version
  • 2020-06-23T20:15:12
  • Last Modified Date
  • 2021-07-21T11:39:23
Weakness Enumerations
CWE URL
CWE-269 http://cwe.mitre.org/data/definitions/269.html
CPE Configuration (Product)
CPE Vulnerable Operator Version Start Version End
AND
cpe:2.3:a:gns3:ubridge:*:*:*:*:*:macos:*:* 1 OR 0.9.18
cpe:2.3:a:gns3:gns3:*:*:*:*:*:*:*:* 0 OR 2.1.17
CVSS Version 2
  • Version
  • 2.0
  • Vector String
  • AV:L/AC:L/Au:N/C:C/I:N/A:N
  • Access Vector
  • LOCAL
  • Access Compatibility
  • LOW
  • Authentication
  • NONE
  • Confidentiality Impact
  • COMPLETE
  • Integrity Impact
  • NONE
  • Availability Impact
  • NONE
  • Base Score
  • 4.9
  • Severity
  • MEDIUM
  • Exploitability Score
  • 3.9
  • Impact Score
  • 6.9
CVSS Version 3
  • Version
  • 3.1
  • Vector String
  • CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N
  • Attack Vector
  • LOCAL
  • Attack Compatibility
  • LOW
  • Privileges Required
  • LOW
  • User Interaction
  • NONE
  • Scope
  • UNCHANGED
  • Confidentiality Impact
  • HIGH
  • Availability Impact
  • NONE
  • Base Score
  • 5.5
  • Base Severity
  • MEDIUM
  • Exploitability Score
  • 1.8
  • Impact Score
  • 3.6
References
Reference URL Reference Tags
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
Sources
Source Name Source URL
NIST https://nvd.nist.gov/vuln/detail/CVE-2020-14976
MITRE https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2020-14976
History
Created Old Value New Value Data Type Notes
2022-05-10 07:02:30 Added to TrackCVE
2022-12-04 18:38:20 2020-06-23T20:15Z 2020-06-23T20:15:12 CVE Published Date updated
2022-12-04 18:38:20 2021-07-21T11:39:23 CVE Modified Date updated
2022-12-04 18:38:20 Analyzed Vulnerability Status updated