CVE-2020-5234
Untrusted data can lead to DoS attack in MessagePack for C# and Unity
- State
- Published
- Severity
- 4.8 Medium
- Published
- Jan 31, 2020
- Updated
- Aug 4, 2024
- Reserved
- Jan 2, 2020
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.
Scores
| CVSS | Score | Vector | Source |
|---|---|---|---|
| 3.1 | 4.8 Medium | CVSS:3.1/AV:N/AC:H/PR:L/UI:R/S:U/C:N/I:N/A:H | GitHub_M |
Weaknesses
- CWE-121 Stack-based Buffer Overflow
Affected Products
| Product | Versions |
|---|---|
MessagePackneuecc |
|
MessagePack.ImmutableCollectionneuecc |
|
MessagePack.ReactivePropertyneuecc |
|
MessagePack.UnityShimsneuecc |
|
References
- 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/issues/810
- https://github.com/neuecc/MessagePack-CSharp/commit/f88684078698386df02204f13faeff098a61f007
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