CVE-2020-5234

CVSS V2 Medium 6.8 CVSS V3 Medium 6.5
Description
MessagePack for C# and Unity before version 1.9.11 and 2.1.90 has a vulnerability where untrusted data can lead to DoS attack due to hash collisions and stack overflow. Review the linked GitHub Security Advisory for more information and remediation steps.
Overview
  • CVE ID
  • CVE-2020-5234
  • Assigner
  • security-advisories@github.com
  • Vulnerability Status
  • Modified
  • Published Version
  • 2020-01-31T18:15:11
  • Last Modified Date
  • 2020-02-24T23:15:13
Weakness Enumerations
CWE URL
CWE-787 http://cwe.mitre.org/data/definitions/787.html
CPE Configuration (Product)
CPE Vulnerable Operator Version Start Version End
cpe:2.3:a:messagepack:messagepack:*:*:*:*:*:c\#:*:* 1 OR 1.9.3
cpe:2.3:a:messagepack:messagepack:*:*:*:*:*:c\#:*:* 1 OR 2.0.323 2.1.80
cpe:2.3:a:messagepack:messagepack:2.0.94:alpha:*:*:*:c\#:*:* 1 OR
cpe:2.3:a:messagepack:messagepack:2.0.110:alpha:*:*:*:c\#:*:* 1 OR
cpe:2.3:a:messagepack:messagepack:2.0.119:beta:*:*:*:c\#:*:* 1 OR
cpe:2.3:a:messagepack:messagepack:2.0.123:beta:*:*:*:c\#:*:* 1 OR
cpe:2.3:a:messagepack:messagepack:2.0.204:beta:*:*:*:c\#:*:* 1 OR
cpe:2.3:a:messagepack:messagepack:2.0.270:rc:*:*:*:c\#:*:* 1 OR
cpe:2.3:a:messagepack:messagepack:2.0.299:rc:*:*:*:c\#:*:* 1 OR
CVSS Version 2
  • Version
  • 2.0
  • Vector String
  • AV:N/AC:L/Au:S/C:N/I:N/A:C
  • Access Vector
  • NETWORK
  • Access Compatibility
  • LOW
  • Authentication
  • SINGLE
  • Confidentiality Impact
  • NONE
  • Integrity Impact
  • NONE
  • Availability Impact
  • COMPLETE
  • Base Score
  • 6.8
  • Severity
  • MEDIUM
  • Exploitability Score
  • 8
  • Impact Score
  • 6.9
CVSS Version 3
  • Version
  • 3.1
  • Vector String
  • CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
  • Attack Vector
  • NETWORK
  • Attack Compatibility
  • LOW
  • Privileges Required
  • LOW
  • User Interaction
  • NONE
  • Scope
  • UNCHANGED
  • Confidentiality Impact
  • NONE
  • Availability Impact
  • HIGH
  • Base Score
  • 6.5
  • Base Severity
  • MEDIUM
  • Exploitability Score
  • 2.8
  • Impact Score
  • 3.6
References
Reference URL Reference Tags
https://github.com/neuecc/MessagePack-CSharp/commit/56fa86219d01d0a183babbbbcb34abbdea588a02 Patch Third Party Advisory
https://github.com/neuecc/MessagePack-CSharp/security/advisories/GHSA-7q36-4xx7-xcxf Third Party Advisory
https://github.com/neuecc/MessagePack-CSharp/issues/810
https://github.com/neuecc/MessagePack-CSharp/commit/f88684078698386df02204f13faeff098a61f007
Sources
Source Name Source URL
NIST https://nvd.nist.gov/vuln/detail/CVE-2020-5234
MITRE https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2020-5234
History
Created Old Value New Value Data Type Notes
2022-05-10 16:48:57 Added to TrackCVE
2022-12-04 10:31:08 2020-01-31T18:15Z 2020-01-31T18:15:11 CVE Published Date updated
2022-12-04 10:31:08 2020-02-24T23:15:13 CVE Modified Date updated
2022-12-04 10:31:08 Modified Vulnerability Status updated