var-201901-1456
Vulnerability from variot
An information disclosure vulnerability exists in .NET Framework and .NET Core which allows bypassing Cross-origin Resource Sharing (CORS) configurations, aka ".NET Framework Information Disclosure Vulnerability." This affects Microsoft .NET Framework 2.0, Microsoft .NET Framework 3.0, Microsoft .NET Framework 4.6.2/4.7/4.7.1/4.7.2, Microsoft .NET Framework 4.5.2, Microsoft .NET Framework 4.6, Microsoft .NET Framework 4.6/4.6.1/4.6.2/4.7/4.7.1/4.7.2, Microsoft .NET Framework 4.7/4.7.1/4.7.2, .NET Core 2.1, Microsoft .NET Framework 4.7.1/4.7.2, Microsoft .NET Framework 3.5, Microsoft .NET Framework 3.5.1, Microsoft .NET Framework 4.6/4.6.1/4.6.2, .NET Core 2.2, Microsoft .NET Framework 4.7.2. plural Microsoft There is a vulnerability in the product that exposes information. Successful exploits will allow attackers to obtain sensitive information that may aid in further attacks. -----BEGIN PGP SIGNED MESSAGE----- Hash: SHA256
===================================================================== Red Hat Security Advisory
Synopsis: Moderate: .NET Core on Red Hat Enterprise Linux security update Advisory ID: RHSA-2019:0040-01 Product: .NET Core on Red Hat Enterprise Linux Advisory URL: https://access.redhat.com/errata/RHSA-2019:0040 Issue date: 2019-01-09 CVE Names: CVE-2019-0545 CVE-2019-0548 CVE-2019-0564 =====================================================================
- Summary:
Updates for rh-dotnet21-dotnet and rh-dotnet22-dotnet are now available for .NET Core on Red Hat Enterprise Linux.
Red Hat Product Security has rated this update as having a security impact of Moderate. 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.
- Relevant releases/architectures:
.NET Core on Red Hat Enterprise Linux ComputeNode (v. 7) - x86_64 .NET Core on Red Hat Enterprise Linux Server (v. 7) - x86_64 .NET Core on Red Hat Enterprise Linux Workstation (v. 7) - x86_64
- It implements a subset of the .NET framework APIs and several new APIs, and it includes a CLR implementation.
New versions of .NET Core that address security vulnerabilities are now available. The updated versions are .NET Core 2.1.5 and 2.2.1.
Security Fix(es):
-
.NET Core: NCL - SocketsHttpHandler mishandling 1xx response as a final response leads to info disclosure (CVE-2019-0545)
-
.NET Core: ANCM WebSocket DOS (CVE-2019-0548)
-
.NET Core: Kestrel - WebSocket DoS via CancellationToken (CoreFX and ASP.NET) (CVE-2019-0564)
For more details about the security issue(s), including the impact, a CVSS score, and other related information, refer to the CVE page(s) listed in the References section.
For more information, please refer to the upstream docs in the References section.
- Solution:
Before applying this update, make sure all previously released errata relevant to your system have been applied.
For details on how to apply this update, refer to:
https://access.redhat.com/articles/11258
- Bugs fixed (https://bugzilla.redhat.com/):
1660632 - CVE-2019-0545 .NET Core: NCL - SocketsHttpHandler mishandling 1xx response as a final response leads to info disclosure 1660634 - CVE-2019-0564 .NET Core: Kestrel - WebSocket DoS via CancellationToken (CoreFX and ASP.NET) 1660636 - CVE-2019-0548 .NET Core: ANCM WebSocket DOS
- Package List:
.NET Core on Red Hat Enterprise Linux ComputeNode (v. 7):
Source: rh-dotnet21-2.1-6.el7.src.rpm rh-dotnet21-dotnet-2.1.503-1.el7.src.rpm
x86_64: rh-dotnet21-dotnet-sdk-2.1-2.1.503-1.el7.x86_64.rpm rh-dotnet21-runtime-2.1-6.el7.x86_64.rpm
.NET Core on Red Hat Enterprise Linux ComputeNode (v. 7):
Source: rh-dotnet22-2.2-2.el7.src.rpm rh-dotnet22-dotnet-2.2.102-1.el7.src.rpm
x86_64: rh-dotnet22-2.2-2.el7.x86_64.rpm rh-dotnet22-dotnet-2.2.102-1.el7.x86_64.rpm rh-dotnet22-dotnet-debuginfo-2.2.102-1.el7.x86_64.rpm rh-dotnet22-dotnet-host-2.2.1-1.el7.x86_64.rpm rh-dotnet22-dotnet-host-fxr-2.2-2.2.1-1.el7.x86_64.rpm rh-dotnet22-dotnet-runtime-2.2-2.2.1-1.el7.x86_64.rpm rh-dotnet22-dotnet-sdk-2.2-2.2.102-1.el7.x86_64.rpm rh-dotnet22-dotnet-sdk-2.2.1xx-2.2.102-1.el7.x86_64.rpm rh-dotnet22-runtime-2.2-2.el7.x86_64.rpm
.NET Core on Red Hat Enterprise Linux Server (v. 7):
Source: rh-dotnet21-2.1-6.el7.src.rpm rh-dotnet21-dotnet-2.1.503-1.el7.src.rpm
x86_64: rh-dotnet21-dotnet-sdk-2.1-2.1.503-1.el7.x86_64.rpm rh-dotnet21-runtime-2.1-6.el7.x86_64.rpm
.NET Core on Red Hat Enterprise Linux Server (v. 7):
Source: rh-dotnet22-2.2-2.el7.src.rpm rh-dotnet22-dotnet-2.2.102-1.el7.src.rpm
x86_64: rh-dotnet22-2.2-2.el7.x86_64.rpm rh-dotnet22-dotnet-2.2.102-1.el7.x86_64.rpm rh-dotnet22-dotnet-debuginfo-2.2.102-1.el7.x86_64.rpm rh-dotnet22-dotnet-host-2.2.1-1.el7.x86_64.rpm rh-dotnet22-dotnet-host-fxr-2.2-2.2.1-1.el7.x86_64.rpm rh-dotnet22-dotnet-runtime-2.2-2.2.1-1.el7.x86_64.rpm rh-dotnet22-dotnet-sdk-2.2-2.2.102-1.el7.x86_64.rpm rh-dotnet22-dotnet-sdk-2.2.1xx-2.2.102-1.el7.x86_64.rpm rh-dotnet22-runtime-2.2-2.el7.x86_64.rpm
.NET Core on Red Hat Enterprise Linux Workstation (v. 7):
Source: rh-dotnet21-2.1-6.el7.src.rpm rh-dotnet21-dotnet-2.1.503-1.el7.src.rpm
x86_64: rh-dotnet21-dotnet-sdk-2.1-2.1.503-1.el7.x86_64.rpm rh-dotnet21-runtime-2.1-6.el7.x86_64.rpm
.NET Core on Red Hat Enterprise Linux Workstation (v. 7):
Source: rh-dotnet22-2.2-2.el7.src.rpm rh-dotnet22-dotnet-2.2.102-1.el7.src.rpm
x86_64: rh-dotnet22-2.2-2.el7.x86_64.rpm rh-dotnet22-dotnet-2.2.102-1.el7.x86_64.rpm rh-dotnet22-dotnet-debuginfo-2.2.102-1.el7.x86_64.rpm rh-dotnet22-dotnet-host-2.2.1-1.el7.x86_64.rpm rh-dotnet22-dotnet-host-fxr-2.2-2.2.1-1.el7.x86_64.rpm rh-dotnet22-dotnet-runtime-2.2-2.2.1-1.el7.x86_64.rpm rh-dotnet22-dotnet-sdk-2.2-2.2.102-1.el7.x86_64.rpm rh-dotnet22-dotnet-sdk-2.2.1xx-2.2.102-1.el7.x86_64.rpm rh-dotnet22-runtime-2.2-2.el7.x86_64.rpm
These packages are GPG signed by Red Hat for security. Our key and details on how to verify the signature are available from https://access.redhat.com/security/team/key/
- References:
https://access.redhat.com/security/cve/CVE-2019-0545 https://access.redhat.com/security/cve/CVE-2019-0548 https://access.redhat.com/security/cve/CVE-2019-0564 https://access.redhat.com/security/updates/classification/#moderate https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2019-0545 https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2019-0548 https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2019-0564
- Contact:
The Red Hat security contact is secalert@redhat.com. More contact details at https://access.redhat.com/security/team/contact/
Copyright 2019 Red Hat, Inc. -----BEGIN PGP SIGNATURE----- Version: GnuPG v1
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confidentialityImpact: "Partial", exploitabilityScore: null, id: "CVE-2019-0545", impactScore: null, integrityImpact: "None", obtainAllPrivilege: null, obtainOtherPrivilege: null, obtainUserPrivilege: null, severity: "Medium", trust: 0.9, userInteractionRequired: null, vectorString: "AV:N/AC:L/Au:N/C:P/I:N/A:N", version: "2.0", }, ], cvssV3: [ { attackComplexity: "LOW", attackVector: "NETWORK", author: "NVD", availabilityImpact: "NONE", baseScore: 7.5, baseSeverity: "HIGH", confidentialityImpact: "HIGH", exploitabilityScore: 3.9, impactScore: 3.6, integrityImpact: "NONE", privilegesRequired: "NONE", scope: "UNCHANGED", trust: 1, userInteraction: "NONE", vectorString: "CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N", version: "3.0", }, { attackComplexity: "Low", attackVector: "Network", author: "NVD", availabilityImpact: "None", baseScore: 7.5, baseSeverity: "High", confidentialityImpact: "High", exploitabilityScore: null, id: "CVE-2019-0545", impactScore: null, integrityImpact: "None", privilegesRequired: "None", scope: "Unchanged", trust: 0.8, userInteraction: "None", vectorString: "CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N", version: "3.0", }, ], severity: [ { author: "NVD", id: "CVE-2019-0545", trust: 1.8, value: "HIGH", }, { author: "CNNVD", id: "CNNVD-201901-175", trust: 0.6, value: "HIGH", }, { author: "VULMON", id: "CVE-2019-0545", trust: 0.1, value: "MEDIUM", }, ], }, ], sources: [ { db: "VULMON", id: "CVE-2019-0545", }, { db: "JVNDB", id: "JVNDB-2019-001008", }, { db: "CNNVD", id: "CNNVD-201901-175", }, { db: "NVD", id: "CVE-2019-0545", }, ], }, description: { "@context": { "@vocab": "https://www.variotdbs.pl/ref/description#", sources: { "@container": "@list", "@context": { "@vocab": "https://www.variotdbs.pl/ref/sources#", }, }, }, data: "An information disclosure vulnerability exists in .NET Framework and .NET Core which allows bypassing Cross-origin Resource Sharing (CORS) configurations, aka \".NET Framework Information Disclosure Vulnerability.\" This affects Microsoft .NET Framework 2.0, Microsoft .NET Framework 3.0, Microsoft .NET Framework 4.6.2/4.7/4.7.1/4.7.2, Microsoft .NET Framework 4.5.2, Microsoft .NET Framework 4.6, Microsoft .NET Framework 4.6/4.6.1/4.6.2/4.7/4.7.1/4.7.2, Microsoft .NET Framework 4.7/4.7.1/4.7.2, .NET Core 2.1, Microsoft .NET Framework 4.7.1/4.7.2, Microsoft .NET Framework 3.5, Microsoft .NET Framework 3.5.1, Microsoft .NET Framework 4.6/4.6.1/4.6.2, .NET Core 2.2, Microsoft .NET Framework 4.7.2. plural Microsoft There is a vulnerability in the product that exposes information. \nSuccessful exploits will allow attackers to obtain sensitive information that may aid in further attacks. -----BEGIN PGP SIGNED MESSAGE-----\nHash: SHA256\n\n=====================================================================\n Red Hat Security Advisory\n\nSynopsis: Moderate: .NET Core on Red Hat Enterprise Linux security update\nAdvisory ID: RHSA-2019:0040-01\nProduct: .NET Core on Red Hat Enterprise Linux\nAdvisory URL: https://access.redhat.com/errata/RHSA-2019:0040\nIssue date: 2019-01-09\nCVE Names: CVE-2019-0545 CVE-2019-0548 CVE-2019-0564 \n=====================================================================\n\n1. Summary:\n\nUpdates for rh-dotnet21-dotnet and rh-dotnet22-dotnet are now available for\n.NET Core on Red Hat Enterprise Linux. \n\nRed Hat Product Security has rated this update as having a security impact\nof Moderate. A Common Vulnerability Scoring System (CVSS) base score, which\ngives a detailed severity rating, is available for each vulnerability from\nthe CVE link(s) in the References section. \n\n2. Relevant releases/architectures:\n\n.NET Core on Red Hat Enterprise Linux ComputeNode (v. 7) - x86_64\n.NET Core on Red Hat Enterprise Linux Server (v. 7) - x86_64\n.NET Core on Red Hat Enterprise Linux Workstation (v. 7) - x86_64\n\n3. It implements a subset of the\n.NET framework APIs and several new APIs, and it includes a CLR\nimplementation. \n\nNew versions of .NET Core that address security vulnerabilities are now\navailable. The updated versions are .NET Core 2.1.5 and 2.2.1. \n\nSecurity Fix(es):\n\n* .NET Core: NCL - SocketsHttpHandler mishandling 1xx response as a final\nresponse leads to info disclosure (CVE-2019-0545)\n\n* .NET Core: ANCM WebSocket DOS (CVE-2019-0548)\n\n* .NET Core: Kestrel - WebSocket DoS via CancellationToken (CoreFX and\nASP.NET) (CVE-2019-0564)\n\nFor more details about the security issue(s), including the impact, a CVSS\nscore, and other related information, refer to the CVE page(s) listed in\nthe References section. \n\nFor more information, please refer to the upstream docs in the References\nsection. \n\n4. Solution:\n\nBefore applying this update, make sure all previously released errata\nrelevant to your system have been applied. \n\nFor details on how to apply this update, refer to:\n\nhttps://access.redhat.com/articles/11258\n\n5. Bugs fixed (https://bugzilla.redhat.com/):\n\n1660632 - CVE-2019-0545 .NET Core: NCL - SocketsHttpHandler mishandling 1xx response as a final response leads to info disclosure\n1660634 - CVE-2019-0564 .NET Core: Kestrel - WebSocket DoS via CancellationToken (CoreFX and ASP.NET)\n1660636 - CVE-2019-0548 .NET Core: ANCM WebSocket DOS\n\n6. Package List:\n\n.NET Core on Red Hat Enterprise Linux ComputeNode (v. 7):\n\nSource:\nrh-dotnet21-2.1-6.el7.src.rpm\nrh-dotnet21-dotnet-2.1.503-1.el7.src.rpm\n\nx86_64:\nrh-dotnet21-dotnet-sdk-2.1-2.1.503-1.el7.x86_64.rpm\nrh-dotnet21-runtime-2.1-6.el7.x86_64.rpm\n\n.NET Core on Red Hat Enterprise Linux ComputeNode (v. 7):\n\nSource:\nrh-dotnet22-2.2-2.el7.src.rpm\nrh-dotnet22-dotnet-2.2.102-1.el7.src.rpm\n\nx86_64:\nrh-dotnet22-2.2-2.el7.x86_64.rpm\nrh-dotnet22-dotnet-2.2.102-1.el7.x86_64.rpm\nrh-dotnet22-dotnet-debuginfo-2.2.102-1.el7.x86_64.rpm\nrh-dotnet22-dotnet-host-2.2.1-1.el7.x86_64.rpm\nrh-dotnet22-dotnet-host-fxr-2.2-2.2.1-1.el7.x86_64.rpm\nrh-dotnet22-dotnet-runtime-2.2-2.2.1-1.el7.x86_64.rpm\nrh-dotnet22-dotnet-sdk-2.2-2.2.102-1.el7.x86_64.rpm\nrh-dotnet22-dotnet-sdk-2.2.1xx-2.2.102-1.el7.x86_64.rpm\nrh-dotnet22-runtime-2.2-2.el7.x86_64.rpm\n\n.NET Core on Red Hat Enterprise Linux Server (v. 7):\n\nSource:\nrh-dotnet21-2.1-6.el7.src.rpm\nrh-dotnet21-dotnet-2.1.503-1.el7.src.rpm\n\nx86_64:\nrh-dotnet21-dotnet-sdk-2.1-2.1.503-1.el7.x86_64.rpm\nrh-dotnet21-runtime-2.1-6.el7.x86_64.rpm\n\n.NET Core on Red Hat Enterprise Linux Server (v. 7):\n\nSource:\nrh-dotnet22-2.2-2.el7.src.rpm\nrh-dotnet22-dotnet-2.2.102-1.el7.src.rpm\n\nx86_64:\nrh-dotnet22-2.2-2.el7.x86_64.rpm\nrh-dotnet22-dotnet-2.2.102-1.el7.x86_64.rpm\nrh-dotnet22-dotnet-debuginfo-2.2.102-1.el7.x86_64.rpm\nrh-dotnet22-dotnet-host-2.2.1-1.el7.x86_64.rpm\nrh-dotnet22-dotnet-host-fxr-2.2-2.2.1-1.el7.x86_64.rpm\nrh-dotnet22-dotnet-runtime-2.2-2.2.1-1.el7.x86_64.rpm\nrh-dotnet22-dotnet-sdk-2.2-2.2.102-1.el7.x86_64.rpm\nrh-dotnet22-dotnet-sdk-2.2.1xx-2.2.102-1.el7.x86_64.rpm\nrh-dotnet22-runtime-2.2-2.el7.x86_64.rpm\n\n.NET Core on Red Hat Enterprise Linux Workstation (v. 7):\n\nSource:\nrh-dotnet21-2.1-6.el7.src.rpm\nrh-dotnet21-dotnet-2.1.503-1.el7.src.rpm\n\nx86_64:\nrh-dotnet21-dotnet-sdk-2.1-2.1.503-1.el7.x86_64.rpm\nrh-dotnet21-runtime-2.1-6.el7.x86_64.rpm\n\n.NET Core on Red Hat Enterprise Linux Workstation (v. 7):\n\nSource:\nrh-dotnet22-2.2-2.el7.src.rpm\nrh-dotnet22-dotnet-2.2.102-1.el7.src.rpm\n\nx86_64:\nrh-dotnet22-2.2-2.el7.x86_64.rpm\nrh-dotnet22-dotnet-2.2.102-1.el7.x86_64.rpm\nrh-dotnet22-dotnet-debuginfo-2.2.102-1.el7.x86_64.rpm\nrh-dotnet22-dotnet-host-2.2.1-1.el7.x86_64.rpm\nrh-dotnet22-dotnet-host-fxr-2.2-2.2.1-1.el7.x86_64.rpm\nrh-dotnet22-dotnet-runtime-2.2-2.2.1-1.el7.x86_64.rpm\nrh-dotnet22-dotnet-sdk-2.2-2.2.102-1.el7.x86_64.rpm\nrh-dotnet22-dotnet-sdk-2.2.1xx-2.2.102-1.el7.x86_64.rpm\nrh-dotnet22-runtime-2.2-2.el7.x86_64.rpm\n\nThese packages are GPG signed by Red Hat for security. Our key and\ndetails on how to verify the signature are available from\nhttps://access.redhat.com/security/team/key/\n\n7. References:\n\nhttps://access.redhat.com/security/cve/CVE-2019-0545\nhttps://access.redhat.com/security/cve/CVE-2019-0548\nhttps://access.redhat.com/security/cve/CVE-2019-0564\nhttps://access.redhat.com/security/updates/classification/#moderate\nhttps://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2019-0545\nhttps://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2019-0548\nhttps://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2019-0564\n\n8. Contact:\n\nThe Red Hat security contact is <secalert@redhat.com>. More contact\ndetails at https://access.redhat.com/security/team/contact/\n\nCopyright 2019 Red Hat, Inc. \n-----BEGIN PGP SIGNATURE-----\nVersion: GnuPG v1\n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\neGIiHj6xieM=\n=m5dC\n-----END PGP SIGNATURE-----\n\n--\nRHSA-announce mailing 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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.