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cve-2021-41355
Vulnerability from cvelistv5
Published
2021-10-13 00:28
Modified
2024-08-04 03:08
Severity ?
EPSS score ?
Summary
.NET Core and Visual Studio Information Disclosure Vulnerability
References
▼ | URL | Tags | |
---|---|---|---|
secure@microsoft.com | https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2021-41355 | Patch, Vendor Advisory | |
secure@microsoft.com | https://www.oracle.com/security-alerts/cpujan2022.html | Not Applicable, Third Party Advisory |
Impacted products
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16.10)", "vendor": "Microsoft", "versions": [ { "lessThan": "16.11.5", "status": "affected", "version": "16.11.0", "versionType": "custom" } ] }, { "cpes": [ "cpe:2.3:a:microsoft:.net:*:*:*:*:*:*:*:*" ], "platforms": [ "Unknown" ], "product": ".NET 5.0", "vendor": "Microsoft", "versions": [ { "lessThan": "5.0.11", "status": "affected", "version": "5.0.0", "versionType": "custom" } ] } ], "datePublic": "2021-10-12T07:00:00+00:00", "descriptions": [ { "lang": "en-US", "value": ".NET Core and Visual Studio Information Disclosure Vulnerability" } ], "metrics": [ { "cvssV3_1": { "baseScore": 5.7, "baseSeverity": "MEDIUM", "vectorString": "CVSS:3.1/AV:A/AC:L/PR:N/UI:R/S:U/C:H/I:N/A:N/E:U/RL:O/RC:C", "version": "3.1" }, "format": "CVSS", "scenarios": [ { "lang": "en-US", "value": "GENERAL" } ] } ], "problemTypes": [ { "descriptions": [ { "description": "Information Disclosure", "lang": "en-US", "type": "Impact" } ] } ], "providerMetadata": { "dateUpdated": "2024-05-29T14:52:18.055Z", "orgId": "f38d906d-7342-40ea-92c1-6c4a2c6478c8", "shortName": "microsoft" }, "references": [ { "tags": [ "x_refsource_MISC" ], "url": "https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2021-41355" }, { "tags": [ "x_refsource_MISC" ], "url": "https://www.oracle.com/security-alerts/cpujan2022.html" } ], "title": ".NET Core and Visual Studio Information Disclosure Vulnerability" } }, "cveMetadata": { "assignerOrgId": "f38d906d-7342-40ea-92c1-6c4a2c6478c8", "assignerShortName": "microsoft", "cveId": "CVE-2021-41355", "datePublished": "2021-10-13T00:28:19", "dateReserved": "2021-09-17T00:00:00", "dateUpdated": "2024-08-04T03:08:32.217Z", "state": "PUBLISHED" }, "dataType": "CVE_RECORD", "dataVersion": "5.1", "meta": { "nvd": "{\"cve\":{\"id\":\"CVE-2021-41355\",\"sourceIdentifier\":\"secure@microsoft.com\",\"published\":\"2021-10-13T01:15:13.907\",\"lastModified\":\"2023-08-01T23:15:26.790\",\"vulnStatus\":\"Modified\",\"descriptions\":[{\"lang\":\"en\",\"value\":\".NET Core and Visual Studio Information Disclosure Vulnerability\"},{\"lang\":\"es\",\"value\":\"Una vulnerabilidad de Divulgaci\u00f3n de Informaci\u00f3n en .NET Core y Visual Studio\"}],\"metrics\":{\"cvssMetricV31\":[{\"source\":\"secure@microsoft.com\",\"type\":\"Primary\",\"cvssData\":{\"version\":\"3.1\",\"vectorString\":\"CVSS:3.1/AV:A/AC:L/PR:N/UI:R/S:U/C:H/I:N/A:N\",\"attackVector\":\"ADJACENT_NETWORK\",\"attackComplexity\":\"LOW\",\"privilegesRequired\":\"NONE\",\"userInteraction\":\"REQUIRED\",\"scope\":\"UNCHANGED\",\"confidentialityImpact\":\"HIGH\",\"integrityImpact\":\"NONE\",\"availabilityImpact\":\"NONE\",\"baseScore\":5.7,\"baseSeverity\":\"MEDIUM\"},\"exploitabilityScore\":2.1,\"impactScore\":3.6},{\"source\":\"nvd@nist.gov\",\"type\":\"Secondary\",\"cvssData\":{\"version\":\"3.1\",\"vectorString\":\"CVSS:3.1/AV:A/AC:L/PR:N/UI:R/S:U/C:H/I:N/A:N\",\"attackVector\":\"ADJACENT_NETWORK\",\"attackComplexity\":\"LOW\",\"privilegesRequired\":\"NONE\",\"userInteraction\":\"REQUIRED\",\"scope\":\"UNCHANGED\",\"confidentialityImpact\":\"HIGH\",\"integrityImpact\":\"NONE\",\"availabilityImpact\":\"NONE\",\"baseScore\":5.7,\"baseSeverity\":\"MEDIUM\"},\"exploitabilityScore\":2.1,\"impactScore\":3.6}],\"cvssMetricV2\":[{\"source\":\"nvd@nist.gov\",\"type\":\"Primary\",\"cvssData\":{\"version\":\"2.0\",\"vectorString\":\"AV:A/AC:M/Au:N/C:P/I:N/A:N\",\"accessVector\":\"ADJACENT_NETWORK\",\"accessComplexity\":\"MEDIUM\",\"authentication\":\"NONE\",\"confidentialityImpact\":\"PARTIAL\",\"integrityImpact\":\"NONE\",\"availabilityImpact\":\"NONE\",\"baseScore\":2.9},\"baseSeverity\":\"LOW\",\"exploitabilityScore\":5.5,\"impactScore\":2.9,\"acInsufInfo\":false,\"obtainAllPrivilege\":false,\"obtainUserPrivilege\":false,\"obtainOtherPrivilege\":false,\"userInteractionRequired\":true}]},\"weaknesses\":[{\"source\":\"nvd@nist.gov\",\"type\":\"Primary\",\"description\":[{\"lang\":\"en\",\"value\":\"NVD-CWE-noinfo\"}]}],\"configurations\":[{\"nodes\":[{\"operator\":\"OR\",\"negate\":false,\"cpeMatch\":[{\"vulnerable\":true,\"criteria\":\"cpe:2.3:a:microsoft:.net:5.0:*:*:*:*:*:*:*\",\"matchCriteriaId\":\"C8F02D5C-61F1-4381-8D64-8BEB5CED0DC6\"},{\"vulnerable\":true,\"criteria\":\"cpe:2.3:a:microsoft:powershell:*:*:*:*:*:*:*:*\",\"versionStartIncluding\":\"7.1\",\"versionEndExcluding\":\"7.1.5\",\"matchCriteriaId\":\"B041049C-2717-41B9-A56F-F080967E5FB9\"},{\"vulnerable\":true,\"criteria\":\"cpe:2.3:a:microsoft:visual_studio_2019:*:*:*:*:*:*:*:*\",\"versionStartIncluding\":\"16.0\",\"versionEndIncluding\":\"16.11\",\"matchCriteriaId\":\"C9984FFB-8AFA-438F-B762-B98649B64B23\"}]}]}],\"references\":[{\"url\":\"https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2021-41355\",\"source\":\"secure@microsoft.com\",\"tags\":[\"Patch\",\"Vendor Advisory\"]},{\"url\":\"https://www.oracle.com/security-alerts/cpujan2022.html\",\"source\":\"secure@microsoft.com\",\"tags\":[\"Not Applicable\",\"Third Party Advisory\"]}]}}" } }
gsd-2021-41355
Vulnerability from gsd
Modified
2023-12-13 01:23
Details
.NET Core and Visual Studio Information Disclosure Vulnerability
Aliases
Aliases
{ "GSD": { "alias": "CVE-2021-41355", "description": ".NET Core and Visual Studio Information Disclosure Vulnerability", "id": "GSD-2021-41355", "references": [ "https://access.redhat.com/errata/RHSA-2021:3819", "https://access.redhat.com/errata/RHSA-2021:3818", "https://linux.oracle.com/cve/CVE-2021-41355.html" ] }, "gsd": { "metadata": { "exploitCode": "unknown", "remediation": "unknown", "reportConfidence": "confirmed", "type": "vulnerability" }, "osvSchema": { "aliases": [ "CVE-2021-41355" ], "details": ".NET Core and Visual Studio Information Disclosure Vulnerability", "id": "GSD-2021-41355", "modified": "2023-12-13T01:23:27.529501Z", "schema_version": "1.4.0" } }, "namespaces": { "cve.org": { "CVE_data_meta": { "ASSIGNER": "secure@microsoft.com", "ID": "CVE-2021-41355", "STATE": "PUBLIC" }, "affects": { "vendor": { "vendor_data": [ { "product": { "product_data": [ { "product_name": "PowerShell 7.1", "version": { "version_data": [ { "version_affected": "\u003c", "version_name": "7.1.0", "version_value": "7.1.5" } ] } }, { "product_name": "Microsoft Visual Studio 2019 version 16.9 (includes 16.0 - 16.8)", "version": { "version_data": [ { "version_affected": "\u003c", "version_name": "15.0.0", "version_value": "16.9.12" } ] } }, { "product_name": "Microsoft Visual Studio 2019 version 16.11 (includes 16.0 - 16.10)", "version": { "version_data": [ { "version_affected": "\u003c", "version_name": "16.11.0", "version_value": "16.11.5" } ] } }, { "product_name": ".NET 5.0", "version": { "version_data": [ { "version_affected": "\u003c", "version_name": "5.0.0", "version_value": "5.0.11" } ] } } ] }, "vendor_name": "Microsoft" } ] } }, "data_format": "MITRE", "data_type": "CVE", "data_version": "4.0", "description": { "description_data": [ { "lang": "eng", "value": ".NET Core and Visual Studio Information Disclosure Vulnerability" } ] }, "impact": { "cvss": [ { "baseScore": 5.7, "baseSeverity": "MEDIUM", "vectorString": "CVSS:3.1/AV:A/AC:L/PR:N/UI:R/S:U/C:H/I:N/A:N/E:U/RL:O/RC:C", "version": "3.1" } ] }, "problemtype": { "problemtype_data": [ { "description": [ { "lang": "eng", "value": "Information Disclosure" } ] } ] }, "references": { "reference_data": [ { "name": "https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2021-41355", "refsource": "MISC", "url": "https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2021-41355" }, { "name": "https://www.oracle.com/security-alerts/cpujan2022.html", "refsource": "MISC", "url": "https://www.oracle.com/security-alerts/cpujan2022.html" } ] } }, "gitlab.com": { "advisories": [ { "affected_range": "(,5.0.1)", "affected_versions": "All versions before 5.0.1", "cvss_v2": "AV:A/AC:M/Au:N/C:P/I:N/A:N", "cvss_v3": "CVSS:3.1/AV:A/AC:L/PR:N/UI:R/S:U/C:H/I:N/A:N", "cwe_ids": [ "CWE-1035", "CWE-937" ], "date": "2021-11-29", "description": ".NET Core and Visual Studio Information Disclosure Vulnerability", "fixed_versions": [ "5.0.1" ], "identifier": "CVE-2021-41355", "identifiers": [ "GHSA-9cxh-gqpx-qc5m", "CVE-2021-41355" ], "not_impacted": "All versions starting from 5.0.1", "package_slug": "nuget/System.DirectoryServices.Protocols", "pubdate": "2021-10-12", "solution": "Upgrade to version 5.0.1 or above.", "title": "Credential Disclosure in System.DirectoryServices.Protocols", "urls": [ "https://github.com/dotnet/runtime/security/advisories/GHSA-9cxh-gqpx-qc5m", "https://github.com/dotnet/runtime/issues/60301", "https://nvd.nist.gov/vuln/detail/CVE-2021-41355", "https://github.com/advisories/GHSA-9cxh-gqpx-qc5m" ], "uuid": "f449a935-fede-4cbf-b9ab-8d7224d74648" } ] }, "nvd.nist.gov": { "configurations": { "CVE_data_version": "4.0", "nodes": [ { "children": [], "cpe_match": [ { "cpe23Uri": "cpe:2.3:a:microsoft:.net:5.0:*:*:*:*:*:*:*", "cpe_name": [], "vulnerable": true }, { "cpe23Uri": "cpe:2.3:a:microsoft:visual_studio_2019:*:*:*:*:*:*:*:*", "cpe_name": [], "versionEndIncluding": "16.11", "versionStartIncluding": "16.0", "vulnerable": true }, { "cpe23Uri": "cpe:2.3:a:microsoft:powershell:*:*:*:*:*:*:*:*", "cpe_name": [], "versionEndExcluding": "7.1.5", "versionStartIncluding": "7.1", "vulnerable": true } ], "operator": "OR" } ] }, "cve": { "CVE_data_meta": { "ASSIGNER": "secure@microsoft.com", "ID": "CVE-2021-41355" }, "data_format": "MITRE", "data_type": "CVE", "data_version": "4.0", "description": { "description_data": [ { "lang": "en", "value": ".NET Core and Visual Studio Information Disclosure Vulnerability" } ] }, "problemtype": { "problemtype_data": [ { "description": [ { "lang": "en", "value": "NVD-CWE-noinfo" } ] } ] }, "references": { "reference_data": [ { "name": "https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2021-41355", "refsource": "MISC", "tags": [ "Patch", "Vendor Advisory" ], "url": "https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2021-41355" }, { "name": "https://www.oracle.com/security-alerts/cpujan2022.html", "refsource": "MISC", "tags": [ "Not Applicable", "Third Party Advisory" ], "url": "https://www.oracle.com/security-alerts/cpujan2022.html" } ] } }, "impact": { "baseMetricV2": { "acInsufInfo": false, "cvssV2": { "accessComplexity": "MEDIUM", "accessVector": "ADJACENT_NETWORK", "authentication": "NONE", "availabilityImpact": "NONE", "baseScore": 2.9, "confidentialityImpact": "PARTIAL", "integrityImpact": "NONE", "vectorString": "AV:A/AC:M/Au:N/C:P/I:N/A:N", "version": "2.0" }, "exploitabilityScore": 5.5, "impactScore": 2.9, "obtainAllPrivilege": false, "obtainOtherPrivilege": false, "obtainUserPrivilege": false, "severity": "LOW", "userInteractionRequired": true }, "baseMetricV3": { "cvssV3": { "attackComplexity": "LOW", "attackVector": "ADJACENT_NETWORK", "availabilityImpact": "NONE", "baseScore": 5.7, "baseSeverity": "MEDIUM", "confidentialityImpact": "HIGH", "integrityImpact": "NONE", "privilegesRequired": "NONE", "scope": "UNCHANGED", "userInteraction": "REQUIRED", "vectorString": "CVSS:3.1/AV:A/AC:L/PR:N/UI:R/S:U/C:H/I:N/A:N", "version": "3.1" }, "exploitabilityScore": 2.1, "impactScore": 3.6 } }, "lastModifiedDate": "2023-08-01T23:15Z", "publishedDate": "2021-10-13T01:15Z" } } }
ghsa-9cxh-gqpx-qc5m
Vulnerability from github
Published
2021-10-12 17:49
Modified
2022-02-08 20:42
Severity ?
Summary
Credential Disclosure in System.DirectoryServices.Protocols
Details
Microsoft is releasing this security advisory to provide information about a vulnerability in .NET. This advisory also provides guidance on what developers can do to update their applications to remove this vulnerability.
A Information Disclosure vulnerability exists in .NET where System.DirectoryServices.Protocols.LdapConnection may send credentials in plain text on Linux.
Patches
Any .NET application that uses System.DirectoryServices.Protocols
with a vulnerable version listed below on system based on Linux.
Package name | Vulnerable versions | Secure versions ------------ | ---------------- | ------------------------- System.DirectoryServices.Protocols | 5.0.0 | 5.0.1
Other Details
- Announcement for this issue can be found at dotnet/announcements#202
- An Issue for this can be found at https://github.com/dotnet/runtime/issues/60301
- MSRC details for this can be found at https://msrc.microsoft.com/update-guide/en-US/vulnerability/CVE-2021-41355
{ "affected": [ { "package": { "ecosystem": "NuGet", "name": "System.DirectoryServices.Protocols" }, "ranges": [ { "events": [ { "introduced": "0" }, { "fixed": "5.0.1" } ], "type": "ECOSYSTEM" } ] } ], "aliases": [ "CVE-2021-41355" ], "database_specific": { "cwe_ids": [ "CWE-200" ], "github_reviewed": true, "github_reviewed_at": "2021-10-12T17:48:55Z", "nvd_published_at": "2021-10-13T01:15:00Z", "severity": "MODERATE" }, "details": "Microsoft is releasing this security advisory to provide information about a vulnerability in .NET. This advisory also provides guidance on what developers can do to update their applications to remove this vulnerability.\n\nA Information Disclosure vulnerability exists in .NET where System.DirectoryServices.Protocols.LdapConnection may send credentials in plain text on Linux.\n\n### Patches\nAny .NET application that uses `System.DirectoryServices.Protocols` with a vulnerable version listed below on system based on Linux.\n\nPackage name | Vulnerable versions | Secure versions\n------------ | ---------------- | -------------------------\nSystem.DirectoryServices.Protocols | 5.0.0 | 5.0.1\n\n### Other Details\n\n- Announcement for this issue can be found at dotnet/announcements#202\n- An Issue for this can be found at https://github.com/dotnet/runtime/issues/60301\n- MSRC details for this can be found at https://msrc.microsoft.com/update-guide/en-US/vulnerability/CVE-2021-41355", "id": "GHSA-9cxh-gqpx-qc5m", "modified": "2022-02-08T20:42:44Z", "published": "2021-10-12T17:49:25Z", "references": [ { "type": "WEB", "url": "https://github.com/dotnet/runtime/security/advisories/GHSA-9cxh-gqpx-qc5m" }, { "type": "ADVISORY", "url": "https://nvd.nist.gov/vuln/detail/CVE-2021-41355" }, { "type": "WEB", "url": "https://github.com/dotnet/runtime/issues/60301" }, { "type": "PACKAGE", "url": "https://github.com/dotnet/runtime" }, { "type": "WEB", "url": "https://msrc.microsoft.com/update-guide/en-US/vulnerability/CVE-2021-41355" }, { "type": "WEB", "url": "https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2021-41355" }, { "type": "WEB", "url": "https://www.oracle.com/security-alerts/cpujan2022.html" } ], "schema_version": "1.4.0", "severity": [ { "score": "CVSS:3.1/AV:A/AC:L/PR:N/UI:R/S:U/C:H/I:N/A:N", "type": "CVSS_V3" } ], "summary": "Credential Disclosure in System.DirectoryServices.Protocols" }
rhsa-2021_3818
Vulnerability from csaf_redhat
Published
2021-10-12 19:45
Modified
2024-11-05 23:59
Summary
Red Hat Security Advisory: .NET 5.0 on RHEL 7 security and bugfix update
Notes
Topic
An update for rh-dotnet50-dotnet is now available for .NET on Red Hat Enterprise Linux.
Red Hat Product Security has rated this update as having a security impact of Important. A Common Vulnerability Scoring System (CVSS) base score, which gives a detailed severity rating, is available for each vulnerability from the CVE link(s) in the References section.
Details
.NET is a managed-software framework. It implements a subset of the .NET framework APIs and several new APIs, and it includes a CLR implementation.
New versions of .NET that address a security vulnerability are now available. The updated versions are .NET SDK 5.0.208 and .NET Runtime 5.0.11.
Security Fix(es):
* dotnet: System.DirectoryServices.Protocols.LdapConnection sends credentials in plaintext if TLS handshake fails (CVE-2021-41355)
For more details about the security issue(s), including the impact, a CVSS score, acknowledgments, and other related information, refer to the CVE page(s) listed in the References section.
Terms of Use
This content is licensed under the Creative Commons Attribution 4.0 International License (https://creativecommons.org/licenses/by/4.0/). If you distribute this content, or a modified version of it, you must provide attribution to Red Hat Inc. and provide a link to the original.
{ "document": { "aggregate_severity": { "namespace": "https://access.redhat.com/security/updates/classification/", "text": "Important" }, "category": "csaf_security_advisory", "csaf_version": "2.0", "distribution": { "text": "Copyright \u00a9 Red Hat, Inc. All rights reserved.", "tlp": { "label": "WHITE", "url": "https://www.first.org/tlp/" } }, "lang": "en", "notes": [ { "category": "summary", "text": "An update for rh-dotnet50-dotnet is now available for .NET on Red Hat Enterprise Linux.\n\nRed Hat Product Security has rated this update as having a security impact of Important. A Common Vulnerability Scoring System (CVSS) base score, which gives a detailed severity rating, is available for each vulnerability from the CVE link(s) in the References section.", "title": "Topic" }, { "category": "general", "text": ".NET is a managed-software framework. It implements a subset of the .NET framework APIs and several new APIs, and it includes a CLR implementation.\n\nNew versions of .NET that address a security vulnerability are now available. The updated versions are .NET SDK 5.0.208 and .NET Runtime 5.0.11.\n\nSecurity Fix(es):\n\n* dotnet: System.DirectoryServices.Protocols.LdapConnection sends credentials in plaintext if TLS handshake fails (CVE-2021-41355)\n\nFor more details about the security issue(s), including the impact, a CVSS score, acknowledgments, and other related information, refer to the CVE page(s) listed in the References section.", "title": "Details" }, { "category": "legal_disclaimer", "text": "This content is licensed under the Creative Commons Attribution 4.0 International License (https://creativecommons.org/licenses/by/4.0/). If you distribute this content, or a modified version of it, you must provide attribution to Red Hat Inc. and provide a link to the original.", "title": "Terms of Use" } ], "publisher": { "category": "vendor", "contact_details": "https://access.redhat.com/security/team/contact/", "issuing_authority": "Red Hat Product Security is responsible for vulnerability handling across all Red Hat products and services.", "name": "Red Hat Product Security", "namespace": "https://www.redhat.com" }, "references": [ { "category": "self", "summary": "https://access.redhat.com/errata/RHSA-2021:3818", "url": "https://access.redhat.com/errata/RHSA-2021:3818" }, { "category": "external", "summary": "https://access.redhat.com/security/updates/classification/#important", "url": "https://access.redhat.com/security/updates/classification/#important" }, { "category": "external", "summary": "2006504", "url": "https://bugzilla.redhat.com/show_bug.cgi?id=2006504" }, { "category": "external", "summary": "2011487", 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This flaw allows an attacker to intercept sensitive information. The highest threat from this vulnerability is to confidentiality.", "title": "Vulnerability description" }, { "category": "summary", "text": "dotnet: System.DirectoryServices.Protocols.LdapConnection sends credentials in plaintext if TLS handshake fails", "title": "Vulnerability summary" }, { "category": "general", "text": "The CVSS score(s) listed for this vulnerability do not reflect the associated product\u0027s status, and are included for informational purposes to better understand the severity of this vulnerability.", "title": "CVSS score applicability" } ], "product_status": { "fixed": [ "7ComputeNode-dotNET-5.0:rh-dotnet50-aspnetcore-runtime-5.0-0:5.0.11-1.el7_9.x86_64", "7ComputeNode-dotNET-5.0:rh-dotnet50-aspnetcore-targeting-pack-5.0-0:5.0.11-1.el7_9.x86_64", "7ComputeNode-dotNET-5.0:rh-dotnet50-dotnet-0:5.0.208-1.el7_9.src", "7ComputeNode-dotNET-5.0:rh-dotnet50-dotnet-0:5.0.208-1.el7_9.x86_64", 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"7Workstation-dotNET-5.0:rh-dotnet50-dotnet-sdk-5.0-source-built-artifacts-0:5.0.208-1.el7_9.x86_64", "7Workstation-dotNET-5.0:rh-dotnet50-dotnet-targeting-pack-5.0-0:5.0.11-1.el7_9.x86_64", "7Workstation-dotNET-5.0:rh-dotnet50-dotnet-templates-5.0-0:5.0.208-1.el7_9.x86_64", "7Workstation-dotNET-5.0:rh-dotnet50-netstandard-targeting-pack-2.1-0:5.0.208-1.el7_9.x86_64" ] } ], "threats": [ { "category": "impact", "details": "Important" } ], "title": "dotnet: System.DirectoryServices.Protocols.LdapConnection sends credentials in plaintext if TLS handshake fails" } ] }
rhsa-2021_3819
Vulnerability from csaf_redhat
Published
2021-10-12 20:04
Modified
2024-11-05 23:59
Summary
Red Hat Security Advisory: .NET 5.0 security and bugfix update
Notes
Topic
An update for .NET 5.0 is now available for Red Hat Enterprise Linux 8.
Red Hat Product Security has rated this update as having a security impact of Important. A Common Vulnerability Scoring System (CVSS) base score, which gives a detailed severity rating, is available for each vulnerability from the CVE link(s) in the References section.
Details
.NET is a managed-software framework. It implements a subset of the .NET framework APIs and several new APIs, and it includes a CLR implementation.
New versions of .NET that address a security vulnerability are now available. The updated versions are .NET SDK 5.0.208 and .NET Runtime 5.0.11.
Security Fix(es):
* dotnet: System.DirectoryServices.Protocols.LdapConnection sends credentials in plaintext if TLS handshake fails (CVE-2021-41355)
For more details about the security issue(s), including the impact, a CVSS score, acknowledgments, and other related information, refer to the CVE page(s) listed in the References section.
Terms of Use
This content is licensed under the Creative Commons Attribution 4.0 International License (https://creativecommons.org/licenses/by/4.0/). If you distribute this content, or a modified version of it, you must provide attribution to Red Hat Inc. and provide a link to the original.
{ "document": { "aggregate_severity": { "namespace": "https://access.redhat.com/security/updates/classification/", "text": "Important" }, "category": "csaf_security_advisory", "csaf_version": "2.0", "distribution": { "text": "Copyright \u00a9 Red Hat, Inc. All rights reserved.", "tlp": { "label": "WHITE", "url": "https://www.first.org/tlp/" } }, "lang": "en", "notes": [ { "category": "summary", "text": "An update for .NET 5.0 is now available for Red Hat Enterprise Linux 8.\n\nRed Hat Product Security has rated this update as having a security impact of Important. A Common Vulnerability Scoring System (CVSS) base score, which gives a detailed severity rating, is available for each vulnerability from the CVE link(s) in the References section.", "title": "Topic" }, { "category": "general", "text": ".NET is a managed-software framework. It implements a subset of the .NET framework APIs and several new APIs, and it includes a CLR implementation.\n\nNew versions of .NET that address a security vulnerability are now available. The updated versions are .NET SDK 5.0.208 and .NET Runtime 5.0.11.\n\nSecurity Fix(es):\n\n* dotnet: System.DirectoryServices.Protocols.LdapConnection sends credentials in plaintext if TLS handshake fails (CVE-2021-41355)\n\nFor more details about the security issue(s), including the impact, a CVSS score, acknowledgments, and other related information, refer to the CVE page(s) listed in the References section.", "title": "Details" }, { "category": "legal_disclaimer", "text": "This content is licensed under the Creative Commons Attribution 4.0 International License (https://creativecommons.org/licenses/by/4.0/). If you distribute this content, or a modified version of it, you must provide attribution to Red Hat Inc. and provide a link to the original.", "title": "Terms of Use" } ], "publisher": { "category": "vendor", "contact_details": "https://access.redhat.com/security/team/contact/", "issuing_authority": "Red Hat Product Security is responsible for vulnerability handling across all Red Hat products and services.", "name": "Red Hat Product Security", "namespace": "https://www.redhat.com" }, "references": [ { "category": "self", "summary": "https://access.redhat.com/errata/RHSA-2021:3819", "url": "https://access.redhat.com/errata/RHSA-2021:3819" }, { "category": "external", "summary": "https://access.redhat.com/security/updates/classification/#important", "url": "https://access.redhat.com/security/updates/classification/#important" }, { "category": "external", "summary": "2011487", "url": "https://bugzilla.redhat.com/show_bug.cgi?id=2011487" }, { "category": "self", "summary": "Canonical URL", "url": "https://security.access.redhat.com/data/csaf/v2/advisories/2021/rhsa-2021_3819.json" } ], "title": "Red Hat Security Advisory: .NET 5.0 security and bugfix update", "tracking": { "current_release_date": "2024-11-05T23:59:39+00:00", "generator": { "date": "2024-11-05T23:59:39+00:00", "engine": { "name": "Red Hat SDEngine", "version": "4.1.1" } }, "id": "RHSA-2021:3819", "initial_release_date": "2021-10-12T20:04:23+00:00", "revision_history": [ { "date": "2021-10-12T20:04:23+00:00", "number": "1", "summary": "Initial version" }, { "date": "2021-10-12T20:04:23+00:00", "number": "2", "summary": "Last updated version" }, { "date": "2024-11-05T23:59:39+00:00", "number": "3", "summary": "Last generated version" } ], "status": "final", "version": "3" } }, "product_tree": { "branches": [ { "branches": [ { "branches": [ { "category": "product_name", "name": "Red Hat Enterprise Linux AppStream (v. 8)", "product": { "name": "Red Hat Enterprise Linux AppStream (v. 8)", "product_id": 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"category": "description", "text": "A flaw was found in dotnet, where the System.DirectoryServices.Protocols.LdapConnection sends credentials in plaintext if the Transport Layer Security (TLS) handshake fails. This flaw allows an attacker to intercept sensitive information. The highest threat from this vulnerability is to confidentiality.", "title": "Vulnerability description" }, { "category": "summary", "text": "dotnet: System.DirectoryServices.Protocols.LdapConnection sends credentials in plaintext if TLS handshake fails", "title": "Vulnerability summary" }, { "category": "general", "text": "The CVSS score(s) listed for this vulnerability do not reflect the associated product\u0027s status, and are included for informational purposes to better understand the severity of this vulnerability.", "title": "CVSS score applicability" } ], "product_status": { "fixed": [ "AppStream-8.4.0.Z.MAIN.EUS:aspnetcore-runtime-5.0-0:5.0.11-1.el8_4.x86_64", "AppStream-8.4.0.Z.MAIN.EUS:aspnetcore-targeting-pack-5.0-0:5.0.11-1.el8_4.x86_64", "AppStream-8.4.0.Z.MAIN.EUS:dotnet-0:5.0.208-1.el8_4.x86_64", "AppStream-8.4.0.Z.MAIN.EUS:dotnet-apphost-pack-5.0-0:5.0.11-1.el8_4.x86_64", "AppStream-8.4.0.Z.MAIN.EUS:dotnet-apphost-pack-5.0-debuginfo-0:5.0.11-1.el8_4.x86_64", 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"threats": [ { "category": "impact", "details": "Important" } ], "title": "dotnet: System.DirectoryServices.Protocols.LdapConnection sends credentials in plaintext if TLS handshake fails" } ] }
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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.