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ghsa-cmhx-cq75-c4mj
Vulnerability from github
Published
2021-08-04 21:03
Modified
2023-02-21 18:57
Severity ?
Summary
Regular Expression Denial of Service in System.Text.RegularExpressions
Details
A denial of service vulnerability exists when .NET Framework and .NET Core improperly process RegEx strings, aka '.NET Framework and .NET Core Denial of Service Vulnerability'. This CVE ID is unique from CVE-2019-0980, CVE-2019-0981.
{
"affected": [
{
"package": {
"ecosystem": "NuGet",
"name": "System.Text.RegularExpressions"
},
"ranges": [
{
"events": [
{
"introduced": "4.3.0"
},
{
"fixed": "4.3.1"
}
],
"type": "ECOSYSTEM"
}
]
}
],
"aliases": [
"CVE-2019-0820"
],
"database_specific": {
"cwe_ids": [
"CWE-1333",
"CWE-400"
],
"github_reviewed": true,
"github_reviewed_at": "2021-08-04T21:03:27Z",
"nvd_published_at": "2019-05-16T19:29:00Z",
"severity": "HIGH"
},
"details": "A denial of service vulnerability exists when .NET Framework and .NET Core improperly process RegEx strings, aka \u0027.NET Framework and .NET Core Denial of Service Vulnerability\u0027. This CVE ID is unique from CVE-2019-0980, CVE-2019-0981.",
"id": "GHSA-cmhx-cq75-c4mj",
"modified": "2023-02-21T18:57:08Z",
"published": "2021-08-04T21:03:46Z",
"references": [
{
"type": "ADVISORY",
"url": "https://nvd.nist.gov/vuln/detail/CVE-2019-0820"
},
{
"type": "WEB",
"url": "https://access.redhat.com/errata/RHSA-2019:1259"
},
{
"type": "WEB",
"url": "https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2019-0820"
}
],
"schema_version": "1.4.0",
"severity": [
{
"score": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H",
"type": "CVSS_V3"
}
],
"summary": "Regular Expression Denial of Service in System.Text.RegularExpressions"
}
cve-2019-0820
Vulnerability from cvelistv5
Published
2019-05-16 18:17
Modified
2024-08-04 17:58
Severity ?
EPSS score ?
Summary
A denial of service vulnerability exists when .NET Framework and .NET Core improperly process RegEx strings, aka '.NET Framework and .NET Core Denial of Service Vulnerability'. This CVE ID is unique from CVE-2019-0980, CVE-2019-0981.
References
| ▼ | URL | Tags |
|---|---|---|
| https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2019-0820 | x_refsource_MISC | |
| https://access.redhat.com/errata/RHSA-2019:1259 | vendor-advisory, x_refsource_REDHAT |
Impacted products
{
"containers": {
"adp": [
{
"providerMetadata": {
"dateUpdated": "2024-08-04T17:58:59.792Z",
"orgId": "af854a3a-2127-422b-91ae-364da2661108",
"shortName": "CVE"
},
"references": [
{
"tags": [
"x_refsource_MISC",
"x_transferred"
],
"url": "https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2019-0820"
},
{
"name": "RHSA-2019:1259",
"tags": [
"vendor-advisory",
"x_refsource_REDHAT",
"x_transferred"
],
"url": "https://access.redhat.com/errata/RHSA-2019:1259"
}
],
"title": "CVE Program Container"
}
],
"cna": {
"affected": [
{
"product": "Microsoft .NET Framework 4.5.2",
"vendor": "Microsoft",
"versions": [
{
"status": "affected",
"version": "Windows 7 for 32-bit Systems Service Pack 1"
},
{
"status": "affected",
"version": "Windows 7 for x64-based Systems Service Pack 1"
},
{
"status": "affected",
"version": "Windows Server 2008 R2 for x64-based Systems Service Pack 1 (Server Core installation)"
},
{
"status": "affected",
"version": "Windows Server 2008 R2 for x64-based Systems Service Pack 1"
},
{
"status": "affected",
"version": "Windows Server 2012"
},
{
"status": "affected",
"version": "Windows Server 2012 (Server Core installation)"
},
{
"status": "affected",
"version": "Windows 8.1 for 32-bit systems"
},
{
"status": "affected",
"version": "Windows 8.1 for x64-based systems"
},
{
"status": "affected",
"version": "Windows Server 2012 R2"
},
{
"status": "affected",
"version": "Windows RT 8.1"
},
{
"status": "affected",
"version": "Windows Server 2012 R2 (Server Core installation)"
},
{
"status": "affected",
"version": "Windows Server 2008 for 32-bit Systems Service Pack 2"
},
{
"status": "affected",
"version": "Windows Server 2008 for x64-based Systems Service Pack 2"
}
]
},
{
"product": "Microsoft .NET Framework 4.6",
"vendor": "Microsoft",
"versions": [
{
"status": "affected",
"version": "Windows Server 2008 for 32-bit Systems Service Pack 2"
},
{
"status": "affected",
"version": "Windows Server 2008 for x64-based Systems Service Pack 2"
}
]
},
{
"product": ".NET Core",
"vendor": "Microsoft",
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{
"status": "affected",
"version": "1"
},
{
"status": "affected",
"version": "1.1"
},
{
"status": "affected",
"version": "2.1"
},
{
"status": "affected",
"version": "2.2"
}
]
},
{
"product": "Microsoft .NET Framework 4.7.2",
"vendor": "Microsoft",
"versions": [
{
"status": "affected",
"version": "Windows 10 Version 1803 for 32-bit Systems"
},
{
"status": "affected",
"version": "Windows 10 Version 1803 for x64-based Systems"
},
{
"status": "affected",
"version": "Windows Server, version 1803 (Server Core Installation)"
},
{
"status": "affected",
"version": "Windows 10 Version 1803 for ARM64-based Systems"
},
{
"status": "affected",
"version": "Windows Server 2019"
},
{
"status": "affected",
"version": "Windows Server 2019 (Server Core installation)"
}
]
},
{
"product": "Microsoft .NET Framework 4.6/4.6.1/4.6.2/4.7/4.7.1/4.7.2",
"vendor": "Microsoft",
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{
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{
"status": "affected",
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{
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"status": "affected",
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},
{
"status": "affected",
"version": "Windows Server 2012 R2"
},
{
"status": "affected",
"version": "Windows RT 8.1"
},
{
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]
},
{
"product": "Microsoft .NET Framework 4.6.2/4.7/4.7.1/4.7.2",
"vendor": "Microsoft",
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{
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"version": "Windows Server 2016"
},
{
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}
]
},
{
"product": "Microsoft .NET Framework 4.8 on Windows 7 for 32-bit Systems Service Pack 1",
"vendor": "Microsoft",
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{
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}
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},
{
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{
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{
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{
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{
"product": "Microsoft .NET Framework 4.8 on Windows 8.1 for x64-based systems",
"vendor": "Microsoft",
"versions": [
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"status": "affected",
"version": "unspecified"
}
]
},
{
"product": "Microsoft .NET Framework 4.8 on Windows Server 2012 R2",
"vendor": "Microsoft",
"versions": [
{
"status": "affected",
"version": "unspecified"
}
]
},
{
"product": "Microsoft .NET Framework 4.8 on Windows RT 8.1",
"vendor": "Microsoft",
"versions": [
{
"status": "affected",
"version": "unspecified"
}
]
},
{
"product": "Microsoft .NET Framework 4.8 on Windows Server 2012 R2 (Server Core installation)",
"vendor": "Microsoft",
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{
"status": "affected",
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{
"product": "Microsoft .NET Framework 4.8 on Windows Server 2016",
"vendor": "Microsoft",
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"status": "affected",
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}
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},
{
"product": "Microsoft .NET Framework 4.8 on Windows 10 Version 1607 for 32-bit Systems",
"vendor": "Microsoft",
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}
]
},
{
"product": "Microsoft .NET Framework 4.8 on Windows 10 Version 1607 for x64-based Systems",
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]
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{
"product": "Microsoft .NET Framework 4.8 on Windows 10 Version 1703 for 32-bit Systems",
"vendor": "Microsoft",
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}
]
},
{
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"vendor": "Microsoft",
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]
},
{
"product": "Microsoft .NET Framework 4.8 on Windows 10 Version 1709 for 32-bit Systems",
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}
]
},
{
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{
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}
]
},
{
"product": "Microsoft .NET Framework 4.8 on Windows 10 Version 1803 for 32-bit Systems",
"vendor": "Microsoft",
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"version": "unspecified"
}
]
},
{
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]
},
{
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]
},
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}
]
},
{
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}
]
},
{
"product": "Microsoft .NET Framework 4.8 on Windows Server 2019",
"vendor": "Microsoft",
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}
]
},
{
"product": "Microsoft .NET Framework 4.8 on Windows Server 2019 (Server Core installation)",
"vendor": "Microsoft",
"versions": [
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}
]
},
{
"product": "Microsoft .NET Framework 4.8 on Windows 10 Version 1903 for 32-bit Systems",
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{
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},
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},
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},
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},
{
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},
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},
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"vendor": "Microsoft",
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},
{
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"version": "Service Pack 2 on Windows Server 2008 for 32-bit Systems Service Pack 2"
},
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}
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"vendor": "Microsoft",
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},
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},
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}
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},
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"version": "Windows 7 for 32-bit Systems Service Pack 1"
},
{
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},
{
"status": "affected",
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},
{
"status": "affected",
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},
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}
],
"descriptions": [
{
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}
],
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],
"providerMetadata": {
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"orgId": "f38d906d-7342-40ea-92c1-6c4a2c6478c8",
"shortName": "microsoft"
},
"references": [
{
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],
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},
{
"name": "RHSA-2019:1259",
"tags": [
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],
"url": "https://access.redhat.com/errata/RHSA-2019:1259"
}
],
"x_legacyV4Record": {
"CVE_data_meta": {
"ASSIGNER": "secure@microsoft.com",
"ID": "CVE-2019-0820",
"STATE": "PUBLIC"
},
"affects": {
"vendor": {
"vendor_data": [
{
"product": {
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{
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"version": {
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},
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},
{
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},
{
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},
{
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},
{
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},
{
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},
{
"version_value": "Windows Server, version 1803 (Server Core Installation)"
},
{
"version_value": "Windows 10 Version 1803 for ARM64-based Systems"
},
{
"version_value": "Windows Server 2019"
},
{
"version_value": "Windows Server 2019 (Server Core installation)"
}
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},
{
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"version": {
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},
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},
{
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},
{
"version_value": "Windows Server 2008 R2 for x64-based Systems Service Pack 1"
},
{
"version_value": "Windows Server 2012"
},
{
"version_value": "Windows Server 2012 (Server Core installation)"
},
{
"version_value": "Windows 8.1 for 32-bit systems"
},
{
"version_value": "Windows 8.1 for x64-based systems"
},
{
"version_value": "Windows Server 2012 R2"
},
{
"version_value": "Windows RT 8.1"
},
{
"version_value": "Windows Server 2012 R2 (Server Core installation)"
}
]
}
},
{
"product_name": "Microsoft .NET Framework 4.6.2/4.7/4.7.1/4.7.2",
"version": {
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{
"version_value": "Windows Server 2016"
},
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"version_value": "Windows Server 2016 (Server Core installation)"
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]
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},
{
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"version": {
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"version": {
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{
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}
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Sightings
| Author | Source | Type | Date |
|---|
Nomenclature
- Seen: The vulnerability was mentioned, discussed, or seen somewhere by the user.
- Confirmed: The vulnerability is confirmed from an analyst perspective.
- Exploited: This vulnerability was exploited and seen by the user reporting the sighting.
- Patched: This vulnerability was successfully patched by the user reporting the sighting.
- Not exploited: This vulnerability was not exploited or seen by the user reporting the sighting.
- Not confirmed: The user expresses doubt about the veracity of the vulnerability.
- Not patched: This vulnerability was not successfully patched by the user reporting the sighting.