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ID

VAR-201901-1459


CVE

CVE-2019-0548


TITLE

ASP.NET Core Service disruption in (DoS) Vulnerabilities

Trust: 0.8

sources: JVNDB: JVNDB-2019-001027

DESCRIPTION

A denial of service vulnerability exists when ASP.NET Core improperly handles web requests, aka "ASP.NET Core Denial of Service Vulnerability." This affects ASP.NET Core 2.2, ASP.NET Core 2.1. This CVE ID is unique from CVE-2019-0564. This vulnerability CVE-2019-0564 Is a different vulnerability.Service operation interruption (DoS) There is a possibility of being put into a state. Microsoft ASP.NET Core is a cross-platform open source framework from Microsoft Corporation of the United States. The framework is used to build cloud-based applications such as web applications, IoT applications, and mobile backends. An attacker can exploit this issue to cause a denial of service condition. -----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 ===================================================================== 1. 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. 2. 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 3. Description: .NET Core 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 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. 4. 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 5. 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 6. 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/ 7. 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 8. 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 iQIVAwUBXDW2sdzjgjWX9erEAQjnURAAoOOF+CAyd0GdKX4LT2eZ/ctDcYggUZkX 1uMSJxXYU64TTYyAmkWUad9GPHMl+7QPjLZGbsLoUv37jSHwfg6VLiPRPy/jGMEq DN1ECN44X2nbUvCO+aKSNSpkRx7oBgQeR3gcPDMS1bzzJgOzhldL8rHH4GnmsoLI DgBXda8QlnFQVXEK+64H9B5hmlD8PERkne9mmqH1M3tkYZeBdnsud7Zb+UTNmMDR ZCVdGr4UIjFZZWpQf5FhjLw4Y2Wv4+e0UBiRFj3GqiS4YYNy+0VxsuTYW3YvNO2R tgZ/UyXljxfgEoQrwg58sI1icuY9CDuyUbLXjEhmlh9E8lDHZ4C3OyK+M7D/KN43 +Hf3E1qgMyg+RDlIFsDsMNDvH7Y6oHv5OIeELIEG9A+oDeQwpoUE6FlQhwMBKZgV kLnwYXahwcbcpJWB2Fwp2htwACGwlWzisanA0+Qqnb0zsgL/UI/ZuHmcmXXW68U3 L7JuUVE61WCdZYPyANW/kkxIuqw875FVM39dInDlUOwcPyGbkiH7qsauiyLLadlR +GpenM0LLRftSh3FILuQyH+6EORUrduB8445BGtdVKOUChiSOc09qcFozzxKki5P Atkajiv2GssKgIFDg7NBMMPETWRjun6SIsxnZ+CcaxLdOjw1isYRzSxMHdNyU7bc eGIiHj6xieM= =m5dC -----END PGP SIGNATURE----- -- RHSA-announce mailing list RHSA-announce@redhat.com https://www.redhat.com/mailman/listinfo/rhsa-announce

Trust: 3.06

sources: NVD: CVE-2019-0548 // JVNDB: JVNDB-2019-001027 // CNVD: CNVD-2019-16191 // CNNVD: CNNVD-201901-172 // BID: 106410 // PACKETSTORM: 151061

IOT TAXONOMY

category:['IoT']sub_category: -

Trust: 0.6

sources: CNVD: CNVD-2019-16191

AFFECTED PRODUCTS

vendor:microsoftmodel:asp.net corescope:eqversion:2.2

Trust: 3.3

vendor:microsoftmodel:asp.net corescope:eqversion:2.1

Trust: 3.3

sources: CNVD: CNVD-2019-16191 // BID: 106410 // JVNDB: JVNDB-2019-001027 // CNNVD: CNNVD-201901-172 // NVD: CVE-2019-0548

CVSS

SEVERITY

CVSSV2

CVSSV3

nvd@nist.gov: CVE-2019-0548
value: HIGH

Trust: 1.0

NVD: CVE-2019-0548
value: HIGH

Trust: 0.8

CNVD: CNVD-2019-16191
value: MEDIUM

Trust: 0.6

CNNVD: CNNVD-201901-172
value: HIGH

Trust: 0.6

nvd@nist.gov: CVE-2019-0548
severity: MEDIUM
baseScore: 5.0
vectorString: AV:N/AC:L/AU:N/C:N/I:N/A:P
accessVector: NETWORK
accessComplexity: LOW
authentication: NONE
confidentialityImpact: NONE
integrityImpact: NONE
availabilityImpact: PARTIAL
exploitabilityScore: 10.0
impactScore: 2.9
acInsufInfo: NONE
obtainAllPrivilege: NONE
obtainUserPrivilege: NONE
obtainOtherPrivilege: NONE
userInteractionRequired: NONE
version: 2.0

Trust: 1.8

CNVD: CNVD-2019-16191
severity: MEDIUM
baseScore: 5.0
vectorString: AV:N/AC:L/AU:N/C:N/I:N/A:P
accessVector: NETWORK
accessComplexity: LOW
authentication: NONE
confidentialityImpact: NONE
integrityImpact: NONE
availabilityImpact: PARTIAL
exploitabilityScore: 10.0
impactScore: 2.9
acInsufInfo: NONE
obtainAllPrivilege: NONE
obtainUserPrivilege: NONE
obtainOtherPrivilege: NONE
userInteractionRequired: NONE
version: 2.0

Trust: 0.6

nvd@nist.gov: CVE-2019-0548
baseSeverity: HIGH
baseScore: 7.5
vectorString: CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
attackVector: NETWORK
attackComplexity: LOW
privilegesRequired: NONE
userInteraction: NONE
scope: UNCHANGED
confidentialityImpact: NONE
integrityImpact: NONE
availabilityImpact: HIGH
exploitabilityScore: 3.9
impactScore: 3.6
version: 3.0

Trust: 1.8

sources: CNVD: CNVD-2019-16191 // JVNDB: JVNDB-2019-001027 // CNNVD: CNNVD-201901-172 // NVD: CVE-2019-0548

PROBLEMTYPE DATA

problemtype:CWE-19

Trust: 1.8

sources: JVNDB: JVNDB-2019-001027 // NVD: CVE-2019-0548

THREAT TYPE

remote

Trust: 0.6

sources: CNNVD: CNNVD-201901-172

TYPE

lack of information

Trust: 0.6

sources: CNNVD: CNNVD-201901-172

CONFIGURATIONS

sources:
            
            
            JVNDB: JVNDB-2019-001027

PATCH
title:CVE-2019-0548 | ASP.NET Core Denial of Service Vulnerabilityurl:https://portal.msrc.microsoft.com/en-us/security-guidance/advisory/CVE-2019-0548
Trust: 0.8
title:CVE-2019-0548 | ASP.NET Core のサービス拒否の脆弱性url:https://portal.msrc.microsoft.com/ja-jp/security-guidance/advisory/CVE-2019-0548
Trust: 0.8
title:Patch for Microsoft ASP.NET Core Denial of Service Vulnerability (CNVD-2019-16191)url:https://www.cnvd.org.cn/patchInfo/show/162591
Trust: 0.6
title:Microsoft ASP.NET Core Security vulnerabilitiesurl:http://www.cnnvd.org.cn/web/xxk/bdxqById.tag?id=88359
Trust: 0.6
sources:
            
            
            CNVD: CNVD-2019-16191 // 
            
            
            
            JVNDB: JVNDB-2019-001027 // 
            
            
            
            CNNVD: CNNVD-201901-172

EXTERNAL IDS
db:NVDid:CVE-2019-0548
Trust: 3.4
db:BIDid:106410
Trust: 2.5
db:JVNDBid:JVNDB-2019-001027
Trust: 0.8
db:CNVDid:CNVD-2019-16191
Trust: 0.6
db:CNNVDid:CNNVD-201901-172
Trust: 0.6
db:PACKETSTORMid:151061
Trust: 0.1
sources:
            
            
            CNVD: CNVD-2019-16191 // 
            
            
            
            BID: 106410 // 
            
            
            
            JVNDB: JVNDB-2019-001027 // 
            
            
            
            PACKETSTORM: 151061 // 
            
            
            
            CNNVD: CNNVD-201901-172 // 
            
            
            
            NVD: CVE-2019-0548

REFERENCES
url:http://www.securityfocus.com/bid/106410
Trust: 2.2
url:https://portal.msrc.microsoft.com/en-us/security-guidance/advisory/cve-2019-0548
Trust: 2.0
url:https://access.redhat.com/errata/rhsa-2019:0040
Trust: 1.7
url:https://cve.mitre.org/cgi-bin/cvename.cgi?name=cve-2019-0548
Trust: 1.4
url:https://nvd.nist.gov/vuln/detail/cve-2019-0548
Trust: 0.9
url:https://www.ipa.go.jp/security/ciadr/vul/20190109-ms.html
Trust: 0.8
url:http://www.jpcert.or.jp/at/2019/at190002.html
Trust: 0.8
url:http://www.microsoft.com
Trust: 0.3
url:https://www.redhat.com/mailman/listinfo/rhsa-announce
Trust: 0.1
url:https://access.redhat.com/security/cve/cve-2019-0564
Trust: 0.1
url:https://nvd.nist.gov/vuln/detail/cve-2019-0545
Trust: 0.1
url:https://access.redhat.com/security/cve/cve-2019-0545
Trust: 0.1
url:https://access.redhat.com/security/cve/cve-2019-0548
Trust: 0.1
url:https://bugzilla.redhat.com/):
Trust: 0.1
url:https://access.redhat.com/security/team/key/
Trust: 0.1
url:https://portal.msrc.microsoft.com/en-us/security-guidance/advisory/cve-2019-0545
Trust: 0.1
url:https://access.redhat.com/articles/11258
Trust: 0.1
url:https://portal.msrc.microsoft.com/en-us/security-guidance/advisory/cve-2019-0564
Trust: 0.1
url:https://access.redhat.com/security/updates/classification/#moderate
Trust: 0.1
url:https://access.redhat.com/security/team/contact/
Trust: 0.1
url:https://nvd.nist.gov/vuln/detail/cve-2019-0564
Trust: 0.1
sources:
            
            
            CNVD: CNVD-2019-16191 // 
            
            
            
            BID: 106410 // 
            
            
            
            JVNDB: JVNDB-2019-001027 // 
            
            
            
            PACKETSTORM: 151061 // 
            
            
            
            CNNVD: CNNVD-201901-172 // 
            
            
            
            NVD: CVE-2019-0548

CREDITS
Microsoft
Trust: 0.3
sources:
            
            
            BID: 106410

SOURCES
db:CNVDid:CNVD-2019-16191
db:BIDid:106410
db:JVNDBid:JVNDB-2019-001027
db:PACKETSTORMid:151061
db:CNNVDid:CNNVD-201901-172
db:NVDid:CVE-2019-0548

LAST UPDATE DATE
2024-08-14T14:45:29.097000+00:00

SOURCES UPDATE DATE
db:CNVDid:CNVD-2019-16191date:2019-06-01T00:00:00
db:BIDid:106410date:2019-01-08T00:00:00
db:JVNDBid:JVNDB-2019-001027date:2019-01-17T00:00:00
db:CNNVDid:CNNVD-201901-172date:2019-02-22T00:00:00
db:NVDid:CVE-2019-0548date:2019-01-15T14:02:28.797

SOURCES RELEASE DATE
db:CNVDid:CNVD-2019-16191date:2019-06-01T00:00:00
db:BIDid:106410date:2019-01-08T00:00:00
db:JVNDBid:JVNDB-2019-001027date:2019-01-17T00:00:00
db:PACKETSTORMid:151061date:2019-01-09T15:05:39
db:CNNVDid:CNNVD-201901-172date:2019-01-09T00:00:00
db:NVDid:CVE-2019-0548date:2019-01-08T21:29:00.707