{
"id": "GHSA-v5rv-hpxg-8x49",
"aliases": [
"CVE-2020-28042"
],
"details": "ServiceStack before 5.9.2 mishandles JWT signature verification unless an application has a custom ValidateToken function that establishes a valid minimum length for a signature.",
"summary": "Signature validation bypass in ServiceStack",
"affected": [
{
"ranges": [
{
"type": "ECOSYSTEM",
"events": [
{
"introduced": "0"
},
{
"fixed": "5.9.2"
}
]
}
],
"package": {
"name": "ServiceStack",
"ecosystem": "NuGet"
}
}
],
"modified": "2021-01-13T19:12:58Z",
"severity": [],
"published": "2021-01-13T19:13:11Z",
"references": [
{
"url": "https://nvd.nist.gov/vuln/detail/CVE-2020-28042",
"type": "ADVISORY"
},
{
"url": "https://github.com/ServiceStack/ServiceStack/commit/540d4060e877a03ae95343c1a8560a26768585ee",
"type": "WEB"
},
{
"url": "https://forums.servicestack.net/t/servicestack-v5-9-2-released/8850",
"type": "WEB"
},
{
"url": "https://snyk.io/vuln/SNYK-DOTNET-SERVICESTACK-1035519",
"type": "WEB"
},
{
"url": "https://www.nuget.org/packages/ServiceStack",
"type": "WEB"
},
{
"url": "https://www.shielder.it/advisories/servicestack-jwt-signature-verification-bypass",
"type": "WEB"
},
{
"url": "https://www.shielder.it/blog/2020/11/re-discovering-a-jwt-authentication-bypass-in-servicestack",
"type": "WEB"
}
],
"schema_version": "1.4.0",
"database_specific": {
"cwe_ids": [
"CWE-347"
],
"severity": "MODERATE",
"github_reviewed": true,
"nvd_published_at": "2020-11-02T21:15:00Z",
"github_reviewed_at": "2021-01-13T19:12:58Z"
}
}