CVE-2020-5234 (GCVE-0-2020-5234)
Vulnerability from cvelistv5 – Published: 2020-01-31 17:50 – Updated: 2024-08-04 08:22
VLAI
Title
Untrusted data can lead to DoS attack in MessagePack for C# and Unity
Summary
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.
Severity
4.8 (Medium)
CWE
- CWE-121 - Stack-based Buffer Overflow
Assigner
References
4 references
| URL | Tags |
|---|---|
| https://github.com/neuecc/MessagePack-CSharp/secu… | x_refsource_CONFIRM |
| https://github.com/neuecc/MessagePack-CSharp/comm… | x_refsource_MISC |
| https://github.com/neuecc/MessagePack-CSharp/issues/810 | x_refsource_MISC |
| https://github.com/neuecc/MessagePack-CSharp/comm… | x_refsource_MISC |
Impacted products
4 products
| Vendor | Product | Version | |
|---|---|---|---|
| neuecc | MessagePack |
Affected:
< 1.9.11
Affected: >= 2.0.0, < 2.1.90 |
|
| neuecc | MessagePack.ImmutableCollection |
Affected:
< 1.9.11
Affected: >= 2.0.0, < 2.1.90 |
|
| neuecc | MessagePack.ReactiveProperty |
Affected:
< 1.9.11
Affected: >= 2.0.0, < 2.1.90 |
|
| neuecc | MessagePack.UnityShims |
Affected:
< 1.9.11
Affected: >= 2.0.0, < 2.1.90 |
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Revise el Aviso de seguridad de GitHub vinculado para obtener m\u00e1s informaci\u00f3n y pasos de reparaci\u00f3n.\"}],\"metrics\":{\"cvssMetricV31\":[{\"source\":\"security-advisories@github.com\",\"type\":\"Secondary\",\"cvssData\":{\"version\":\"3.1\",\"vectorString\":\"CVSS:3.1/AV:N/AC:H/PR:L/UI:R/S:U/C:N/I:N/A:H\",\"baseScore\":4.8,\"baseSeverity\":\"MEDIUM\",\"attackVector\":\"NETWORK\",\"attackComplexity\":\"HIGH\",\"privilegesRequired\":\"LOW\",\"userInteraction\":\"REQUIRED\",\"scope\":\"UNCHANGED\",\"confidentialityImpact\":\"NONE\",\"integrityImpact\":\"NONE\",\"availabilityImpact\":\"HIGH\"},\"exploitabilityScore\":1.2,\"impactScore\":3.6},{\"source\":\"nvd@nist.gov\",\"type\":\"Primary\",\"cvssData\":{\"version\":\"3.1\",\"vectorString\":\"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H\",\"baseScore\":6.5,\"baseSeverity\":\"MEDIUM\",\"attackVector\":\"NETWORK\",\"attackComplexity\":\"LOW\",\"privilegesRequired\":\"LOW\",\"userInteraction\":\"NONE\",\"scope\":\"UNCHANGED\",\"confidentialityImpact\":\"NONE\",\"integrityImpact\":\"NONE\",\"availabilityImpact\":\"HIGH\"},\"exploitabilityScore\":2.8,\"impactScore\":3.6}],\"cvssMetricV2\":[{\"source\":\"nvd@nist.gov\",\"type\":\"Primary\",\"cvssData\":{\"version\":\"2.0\",\"vectorString\":\"AV:N/AC:L/Au:S/C:N/I:N/A:C\",\"baseScore\":6.8,\"accessVector\":\"NETWORK\",\"accessComplexity\":\"LOW\",\"authentication\":\"SINGLE\",\"confidentialityImpact\":\"NONE\",\"integrityImpact\":\"NONE\",\"availabilityImpact\":\"COMPLETE\"},\"baseSeverity\":\"MEDIUM\",\"exploitabilityScore\":8.0,\"impactScore\":6.9,\"acInsufInfo\":false,\"obtainAllPrivilege\":false,\"obtainUserPrivilege\":false,\"obtainOtherPrivilege\":false,\"userInteractionRequired\":false}]},\"weaknesses\":[{\"source\":\"security-advisories@github.com\",\"type\":\"Secondary\",\"description\":[{\"lang\":\"en\",\"value\":\"CWE-121\"}]},{\"source\":\"nvd@nist.gov\",\"type\":\"Primary\",\"description\":[{\"lang\":\"en\",\"value\":\"CWE-787\"}]}],\"configurations\":[{\"nodes\":[{\"operator\":\"OR\",\"negate\":false,\"cpeMatch\":[{\"vulnerable\":true,\"criteria\":\"cpe:2.3:a:messagepack:messagepack:*:*:*:*:*:c\\\\#:*:*\",\"versionEndExcluding\":\"1.9.3\",\"matchCriteriaId\":\"6E3E3D7A-9BC4-4387-9EBD-EE1DEE62266D\"},{\"vulnerable\":true,\"criteria\":\"cpe:2.3:a:messagepack:messagepack:*:*:*:*:*:c\\\\#:*:*\",\"versionStartIncluding\":\"2.0.323\",\"versionEndExcluding\":\"2.1.80\",\"matchCriteriaId\":\"F24DBCF3-4F9D-4409-9343-7B258B4F1B3F\"},{\"vulnerable\":true,\"criteria\":\"cpe:2.3:a:messagepack:messagepack:2.0.94:alpha:*:*:*:c\\\\#:*:*\",\"matchCriteriaId\":\"5507008B-B8F8-4147-8E65-1481E479ABE6\"},{\"vulnerable\":true,\"criteria\":\"cpe:2.3:a:messagepack:messagepack:2.0.110:alpha:*:*:*:c\\\\#:*:*\",\"matchCriteriaId\":\"37BBAB86-0E12-4B68-A325-C168F7BB2C1C\"},{\"vulnerable\":true,\"criteria\":\"cpe:2.3:a:messagepack:messagepack:2.0.119:beta:*:*:*:c\\\\#:*:*\",\"matchCriteriaId\":\"C1D65411-111F-4243-AFC7-F561CED839B7\"},{\"vulnerable\":true,\"criteria\":\"cpe:2.3:a:messagepack:messagepack:2.0.123:beta:*:*:*:c\\\\#:*:*\",\"matchCriteriaId\":\"D61D5CEA-5EB9-4C11-B379-604D8DE9F368\"},{\"vulnerable\":true,\"criteria\":\"cpe:2.3:a:messagepack:messagepack:2.0.204:beta:*:*:*:c\\\\#:*:*\",\"matchCriteriaId\":\"129F03B4-C739-4EE9-ADCA-D9DC9337101E\"},{\"vulnerable\":true,\"criteria\":\"cpe:2.3:a:messagepack:messagepack:2.0.270:rc:*:*:*:c\\\\#:*:*\",\"matchCriteriaId\":\"C6BB270F-6012-4C07-A070-E1F13048A439\"},{\"vulnerable\":true,\"criteria\":\"cpe:2.3:a:messagepack:messagepack:2.0.299:rc:*:*:*:c\\\\#:*:*\",\"matchCriteriaId\":\"CB524CF3-98FF-41DF-9C44-553ED740152D\"}]}]}],\"references\":[{\"url\":\"https://github.com/neuecc/MessagePack-CSharp/commit/56fa86219d01d0a183babbbbcb34abbdea588a02\",\"source\":\"security-advisories@github.com\",\"tags\":[\"Patch\",\"Third Party Advisory\"]},{\"url\":\"https://github.com/neuecc/MessagePack-CSharp/commit/f88684078698386df02204f13faeff098a61f007\",\"source\":\"security-advisories@github.com\"},{\"url\":\"https://github.com/neuecc/MessagePack-CSharp/issues/810\",\"source\":\"security-advisories@github.com\"},{\"url\":\"https://github.com/neuecc/MessagePack-CSharp/security/advisories/GHSA-7q36-4xx7-xcxf\",\"source\":\"security-advisories@github.com\",\"tags\":[\"Third Party Advisory\"]},{\"url\":\"https://github.com/neuecc/MessagePack-CSharp/commit/56fa86219d01d0a183babbbbcb34abbdea588a02\",\"source\":\"af854a3a-2127-422b-91ae-364da2661108\",\"tags\":[\"Patch\",\"Third Party Advisory\"]},{\"url\":\"https://github.com/neuecc/MessagePack-CSharp/commit/f88684078698386df02204f13faeff098a61f007\",\"source\":\"af854a3a-2127-422b-91ae-364da2661108\"},{\"url\":\"https://github.com/neuecc/MessagePack-CSharp/issues/810\",\"source\":\"af854a3a-2127-422b-91ae-364da2661108\"},{\"url\":\"https://github.com/neuecc/MessagePack-CSharp/security/advisories/GHSA-7q36-4xx7-xcxf\",\"source\":\"af854a3a-2127-422b-91ae-364da2661108\",\"tags\":[\"Third Party Advisory\"]}]}}"
}
}
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Experimental. This forecast is provided for visualization only and may change without notice. Do not use it for operational decisions.
Forecast uses a logistic model when the trend is rising, or an exponential decay model when the trend is falling. Fitted via linearized least squares.
Sightings
| Author | Source | Type | Date | Other |
|---|
Nomenclature
- Seen: The vulnerability was mentioned, discussed, or observed by the user.
- Confirmed: The vulnerability has been validated from an analyst's perspective.
- Published Proof of Concept: A public proof of concept is available for this vulnerability.
- Exploited: The vulnerability was observed as exploited by the user who reported the sighting.
- Patched: The vulnerability was observed as successfully patched by the user who reported the sighting.
- Not exploited: The vulnerability was not observed as exploited by the user who reported the sighting.
- Not confirmed: The user expressed doubt about the validity of the vulnerability.
- Not patched: The vulnerability was not observed as successfully patched by the user who reported the sighting.
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