Vulnerability Details 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.
Exploit prediction scoring system (EPSS) score
EPSS Score 0.006
EPSS Ranking 67.9%
CVSS Severity
CVSS v3 Score 4.8
CVSS v2 Score 6.8
References
- https://github.com/neuecc/MessagePack-CSharp/commit/56fa86219d01d0a183babbbbcb34abbdea588a02
- https://github.com/neuecc/MessagePack-CSharp/commit/f88684078698386df02204f13faeff098a61f007
- https://github.com/neuecc/MessagePack-CSharp/issues/810
- https://github.com/neuecc/MessagePack-CSharp/security/advisories/GHSA-7q36-4xx7-xcxf
- https://github.com/neuecc/MessagePack-CSharp/commit/56fa86219d01d0a183babbbbcb34abbdea588a02
- https://github.com/neuecc/MessagePack-CSharp/commit/f88684078698386df02204f13faeff098a61f007
- https://github.com/neuecc/MessagePack-CSharp/issues/810
- https://github.com/neuecc/MessagePack-CSharp/security/advisories/GHSA-7q36-4xx7-xcxf
Products affected by CVE-2020-5234
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cpe:2.3:a:messagepack:messagepack:.1.7.3.5
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cpe:2.3:a:messagepack:messagepack:.1.7.3.6
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cpe:2.3:a:messagepack:messagepack:1.0.1
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cpe:2.3:a:messagepack:messagepack:1.0.2
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cpe:2.3:a:messagepack:messagepack:1.0.3
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cpe:2.3:a:messagepack:messagepack:1.1.0
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cpe:2.3:a:messagepack:messagepack:1.1.1
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cpe:2.3:a:messagepack:messagepack:1.1.2
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cpe:2.3:a:messagepack:messagepack:1.2.0
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cpe:2.3:a:messagepack:messagepack:1.2.1
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cpe:2.3:a:messagepack:messagepack:1.2.3
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cpe:2.3:a:messagepack:messagepack:1.3.0
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cpe:2.3:a:messagepack:messagepack:1.3.1
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cpe:2.3:a:messagepack:messagepack:1.3.2
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cpe:2.3:a:messagepack:messagepack:1.3.3
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cpe:2.3:a:messagepack:messagepack:1.4.0
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cpe:2.3:a:messagepack:messagepack:1.4.1
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cpe:2.3:a:messagepack:messagepack:1.4.2
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cpe:2.3:a:messagepack:messagepack:1.4.3
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cpe:2.3:a:messagepack:messagepack:1.4.4
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cpe:2.3:a:messagepack:messagepack:1.5.0
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cpe:2.3:a:messagepack:messagepack:1.5.1
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cpe:2.3:a:messagepack:messagepack:1.6.0
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cpe:2.3:a:messagepack:messagepack:1.6.1
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cpe:2.3:a:messagepack:messagepack:1.6.1.2
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cpe:2.3:a:messagepack:messagepack:1.6.2
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cpe:2.3:a:messagepack:messagepack:1.7.0
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cpe:2.3:a:messagepack:messagepack:1.7.1
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cpe:2.3:a:messagepack:messagepack:1.7.2
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cpe:2.3:a:messagepack:messagepack:1.7.3
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cpe:2.3:a:messagepack:messagepack:1.7.3.1
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cpe:2.3:a:messagepack:messagepack:1.7.3.2
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cpe:2.3:a:messagepack:messagepack:1.7.3.3
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cpe:2.3:a:messagepack:messagepack:1.7.3.4
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cpe:2.3:a:messagepack:messagepack:1.7.3.7
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cpe:2.3:a:messagepack:messagepack:2.0.110
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cpe:2.3:a:messagepack:messagepack:2.0.119
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cpe:2.3:a:messagepack:messagepack:2.0.123
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cpe:2.3:a:messagepack:messagepack:2.0.204
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cpe:2.3:a:messagepack:messagepack:2.0.270
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cpe:2.3:a:messagepack:messagepack:2.0.299
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cpe:2.3:a:messagepack:messagepack:2.0.323
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cpe:2.3:a:messagepack:messagepack:2.0.335
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cpe:2.3:a:messagepack:messagepack:2.0.94