CVE Vulnerability

CVE-2020-5234

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.

6.8 /10

CVSS v2.0 :

V3 Legend

Vector :

Exploitability : 8 / Impact : 6.9

Attack Vector

Attack Complexity

Privileges Required

User Interaction

Confidentiality Impact NONE

Integrity Impact NONE

Availability Impact COMPLETE

Scope

6.5 /10

CVSS v3.0 : MEDIUM

V3 Legend

Vector :

Exploitability : 2.8 / Impact : 3.6

Attack Vector NETWORK

Attack Complexity LOW

Privileges Required LOW

User Interaction NONE

Confidentiality Impact NONE

Integrity Impact NONE

Availability Impact HIGH

Scope UNCHANGED

References
Link Resource
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
Configurations

Configuration 1

cpe:2.3:a:messagepack:messagepack:2.0.94:alpha:*:*:*:c#:*:*
cpe:2.3:a:messagepack:messagepack:2.0.110:alpha:*:*:*:c#:*:*
cpe:2.3:a:messagepack:messagepack:2.0.119:beta:*:*:*:c#:*:*
cpe:2.3:a:messagepack:messagepack:2.0.123:beta:*:*:*:c#:*:*
cpe:2.3:a:messagepack:messagepack:2.0.204:beta:*:*:*:c#:*:*
cpe:2.3:a:messagepack:messagepack:2.0.270:rc:*:*:*:c#:*:*
cpe:2.3:a:messagepack:messagepack:2.0.299:rc:*:*:*:c#:*:*
cpe:2.3:a:messagepack:messagepack:*:*:*:*:*:c#:*:*
cpe:2.3:a:messagepack:messagepack:*:*:*:*:*:c#:*:*
Information

Published : 2020-01-31 06:15

Updated : 2020-02-24 11:15

NVD link : CVE-2020-5234

Mitre link : CVE-2020-5234

Products Affected
No products.
CWE
CWE-787