CVE-2020-5234

Summary

CVECVE-2020-5234
StatePUBLIC
Assigner[email protected]
Source PriorityCVE Program / NVD first with legacy fallback
Published2020-01-31 18:15:00 UTC
Updated2020-02-24 23:15:00 UTC
DescriptionMessagePack 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.

Risk And Classification

Problem Types: CWE-787

NVD Known Affected Configurations (CPE 2.3)

TypeVendorProductVersionUpdateEditionLanguage
Application Messagepack Messagepack All All All All
Application Messagepack Messagepack 2.0.110 alpha All All
Application Messagepack Messagepack 2.0.119 beta All All
Application Messagepack Messagepack 2.0.123 beta All All
Application Messagepack Messagepack 2.0.204 beta All All
Application Messagepack Messagepack 2.0.270 rc All All
Application Messagepack Messagepack 2.0.299 rc All All
Application Messagepack Messagepack 2.0.94 alpha All All
Application Messagepack Messagepack All All All All
Application Messagepack Messagepack 2.0.110 alpha All All
Application Messagepack Messagepack 2.0.119 beta All All
Application Messagepack Messagepack 2.0.123 beta All All
Application Messagepack Messagepack 2.0.204 beta All All
Application Messagepack Messagepack 2.0.270 rc All All
Application Messagepack Messagepack 2.0.299 rc All All
Application Messagepack Messagepack 2.0.94 alpha All All

References

ReferenceSourceLinkTags
Untrusted data can lead to DoS attack due to hash collisions and stack overflow · Advisory · neuecc/MessagePack-CSharp · GitHub CONFIRM github.com Third Party Advisory
MessagePackSecurity.GetEqualityComparer<object> returns null on copied instances · Issue #810 · neuecc/MessagePack-CSharp · GitHub MISC github.com
Merge security fixes in for v2.1 · neuecc/MessagePack-CSharp@56fa862 · GitHub MISC github.com Patch, Third Party Advisory
Merge pull request #811 from AArnott/fixNullHasher · neuecc/MessagePack-CSharp@f886840 · GitHub MISC github.com
CVE Program record CVE.ORG www.cve.org canonical
NVD vulnerability detail NVD nvd.nist.gov canonical, analysis

Legacy QID Mappings

  • 982818 Dotnet (nuget) Security Update for MessagePack.UnityShims (GHSA-7q36-4xx7-xcxf)
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