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ID

VAR-202005-0234


CVE

CVE-2020-1108


TITLE

.NET Core and .NET Framework Vulnerability in

Trust: 0.8

sources: JVNDB: JVNDB-2020-006114

DESCRIPTION

A denial of service vulnerability exists when .NET Core or .NET Framework improperly handles web requests, aka '.NET Core & .NET Framework Denial of Service Vulnerability'. -----BEGIN PGP SIGNED MESSAGE----- Hash: SHA256 ==================================================================== Red Hat Security Advisory Synopsis: Important: .NET Core on Red Hat Enterprise Linux 7 security update Advisory ID: RHSA-2020:2476-01 Product: .NET Core on Red Hat Enterprise Linux Advisory URL: https://access.redhat.com/errata/RHSA-2020:2476 Issue date: 2020-06-10 CVE Names: CVE-2020-1108 ==================================================================== 1. Summary: An update for rh-dotnet21-dotnet is now available for .NET Core on Red Hat Enterprise Linux 7. 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. 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. It implements a subset of the .NET framework APIs and several new APIs, and it includes a CLR implementation. The updated version is .NET Core Runtime 2.1.19 and SDK 2.1.515. Security Fix(es): * dotnet: Denial of service via untrusted input (CVE-2020-1108) This is an additional update to comprehensively address CVE-2020-1108. Default inclusions for applications built with .NET Core have been updated to reference the newest versions and their security fixes. 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. 4. Solution: For details on how to apply this update, which includes the changes described in this advisory, refer to: https://access.redhat.com/articles/11258 5. Bugs fixed (https://bugzilla.redhat.com/): 1827643 - CVE-2020-1108 dotnet: Denial of service via untrusted input 6. Package List: .NET Core on Red Hat Enterprise Linux ComputeNode (v. 7): Source: rh-dotnet21-2.1-18.el7.src.rpm rh-dotnet21-dotnet-2.1.515-1.el7.src.rpm x86_64: rh-dotnet21-2.1-18.el7.x86_64.rpm rh-dotnet21-dotnet-2.1.515-1.el7.x86_64.rpm rh-dotnet21-dotnet-debuginfo-2.1.515-1.el7.x86_64.rpm rh-dotnet21-dotnet-host-2.1.19-1.el7.x86_64.rpm rh-dotnet21-dotnet-runtime-2.1-2.1.19-1.el7.x86_64.rpm rh-dotnet21-dotnet-sdk-2.1-2.1.515-1.el7.x86_64.rpm rh-dotnet21-dotnet-sdk-2.1.5xx-2.1.515-1.el7.x86_64.rpm rh-dotnet21-runtime-2.1-18.el7.x86_64.rpm .NET Core on Red Hat Enterprise Linux Server (v. 7): Source: rh-dotnet21-2.1-18.el7.src.rpm rh-dotnet21-dotnet-2.1.515-1.el7.src.rpm x86_64: rh-dotnet21-2.1-18.el7.x86_64.rpm rh-dotnet21-dotnet-2.1.515-1.el7.x86_64.rpm rh-dotnet21-dotnet-debuginfo-2.1.515-1.el7.x86_64.rpm rh-dotnet21-dotnet-host-2.1.19-1.el7.x86_64.rpm rh-dotnet21-dotnet-runtime-2.1-2.1.19-1.el7.x86_64.rpm rh-dotnet21-dotnet-sdk-2.1-2.1.515-1.el7.x86_64.rpm rh-dotnet21-dotnet-sdk-2.1.5xx-2.1.515-1.el7.x86_64.rpm rh-dotnet21-runtime-2.1-18.el7.x86_64.rpm .NET Core on Red Hat Enterprise Linux Workstation (v. 7): Source: rh-dotnet21-2.1-18.el7.src.rpm rh-dotnet21-dotnet-2.1.515-1.el7.src.rpm x86_64: rh-dotnet21-2.1-18.el7.x86_64.rpm rh-dotnet21-dotnet-2.1.515-1.el7.x86_64.rpm rh-dotnet21-dotnet-debuginfo-2.1.515-1.el7.x86_64.rpm rh-dotnet21-dotnet-host-2.1.19-1.el7.x86_64.rpm rh-dotnet21-dotnet-runtime-2.1-2.1.19-1.el7.x86_64.rpm rh-dotnet21-dotnet-sdk-2.1-2.1.515-1.el7.x86_64.rpm rh-dotnet21-dotnet-sdk-2.1.5xx-2.1.515-1.el7.x86_64.rpm rh-dotnet21-runtime-2.1-18.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-2020-1108 https://access.redhat.com/security/updates/classification/#important 8. Contact: The Red Hat security contact is <secalert@redhat.com>. More contact details at https://access.redhat.com/security/team/contact/ Copyright 2020 Red Hat, Inc. -----BEGIN PGP SIGNATURE----- Version: GnuPG v1 iQIVAwUBXuCqrtzjgjWX9erEAQgIPg/7Ba2cdZAbQ4uL6AsEoi4kN888lESbUKUM F3VebsFFw9mpaGJ+dp4O6Ihc9kKZdP6uFWq3VE5I5WPD2BcoZF/OoVfCY1FHmFy6 fWSZ0ii+Axg8Mqj4uqxlhlFujkxdeQSpfsY38rtPscLGBROEzPAZnUMH/RDXg9TD 3TdXT4SNVMQPloanzVRDPXEx4OLqgKn9ITpXLah/Jq6zsM37ZDbnM8vQ3o2nH11d 77N+M+RuGsamPfsbu8sEpgvdXkMtorUjO57PDWeWvxNiRYL/5at5TdcTePjWe5YK XANwzPRFtaEU87TFeTVbNrG3MdRl/Uk6FVbuJtNzFIxwi8+qIf1hnUpV0MZxZ1Rg o77fulouuHCSwV/j7/BN9I8Q7EJj/zm52PldVkbsR0JEr4kZMmlVxS9/VL/LroKS qFSAm8yykqI+g7b2EgBQCekIfuurbp1EPeyJ6WcVSb6kcH0xZrXE/t1u/qKIqICe Ozf/bnjDQ0ACpJTE8pAhs5NhrVXvLuz6qhu8kUHTkW6dRxqRCFhAOhnezsfeWG1K nfQOeNfny0SbIJlwh4nsWE3Zv2f/H8KYilfulHvA2SuIGg7mgE0wyPwDXCltyzEW JIlM5YyJrQOHLdjfFi8XRqcU1mFII/F9QoV6KqAoZfJ2LgjXLm9au8MNLWRkN7M1 XE8bQvAYQCc=mOEK -----END PGP SIGNATURE----- -- RHSA-announce mailing list RHSA-announce@redhat.com https://www.redhat.com/mailman/listinfo/rhsa-announce

Trust: 2.43

sources: NVD: CVE-2020-1108 // JVNDB: JVNDB-2020-006114 // VULMON: CVE-2020-1108 // PACKETSTORM: 158007 // PACKETSTORM: 158019 // PACKETSTORM: 158020 // PACKETSTORM: 157702 // PACKETSTORM: 157794 // PACKETSTORM: 157788 // PACKETSTORM: 158021 // PACKETSTORM: 157704

AFFECTED PRODUCTS

vendor:microsoftmodel:powershellscope:eqversion:7.0

Trust: 1.0

vendor:microsoftmodel:.netscope:eqversion:5.0

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vendor:microsoftmodel:.net frameworkscope:eqversion:4.5.2

Trust: 1.0

vendor:microsoftmodel:visual studio 2019scope:eqversion:16.4

Trust: 1.0

vendor:microsoftmodel:.net frameworkscope:eqversion:3.0

Trust: 1.0

vendor:microsoftmodel:.net frameworkscope:eqversion:2.0

Trust: 1.0

vendor:microsoftmodel:.net corescope:gteversion:3.0

Trust: 1.0

vendor:microsoftmodel:.net corescope:lteversion:2.1.18

Trust: 1.0

vendor:microsoftmodel:.net frameworkscope:eqversion:4.7.2

Trust: 1.0

vendor:microsoftmodel:visual studio 2017scope:eqversion:15.9

Trust: 1.0

vendor:microsoftmodel:.net frameworkscope:eqversion:3.5

Trust: 1.0

vendor:microsoftmodel:.net corescope:lteversion:3.1.4

Trust: 1.0

vendor:microsoftmodel:.net corescope:eqversion:3.1

Trust: 1.0

vendor:microsoftmodel:visual studio 2019scope:eqversion:16.5

Trust: 1.0

vendor:microsoftmodel:.net frameworkscope:eqversion:4.7.1

Trust: 1.0

vendor:microsoftmodel:.net frameworkscope:eqversion:4.8

Trust: 1.0

vendor:microsoftmodel:.net corescope:eqversion:2.1

Trust: 1.0

vendor:microsoftmodel:.net frameworkscope:eqversion:4.6

Trust: 1.0

vendor:microsoftmodel:.net frameworkscope:eqversion:4.7

Trust: 1.0

vendor:microsoftmodel:visual studio 2019scope:eqversion:16.0

Trust: 1.0

vendor:microsoftmodel:.net corescope:gteversion:2.1

Trust: 1.0

vendor:microsoftmodel:.net frameworkscope:eqversion:4.6.2

Trust: 1.0

vendor:microsoftmodel:.net frameworkscope:eqversion:3.5.1

Trust: 1.0

vendor:microsoftmodel:powershell corescope:eqversion:6.2

Trust: 1.0

vendor:microsoftmodel:.net frameworkscope:eqversion:4.6.1

Trust: 1.0

vendor:microsoftmodel:.net corescope: - version: -

Trust: 0.8

vendor:microsoftmodel:.net frameworkscope: - version: -

Trust: 0.8

sources: JVNDB: JVNDB-2020-006114 // NVD: CVE-2020-1108

CVSS

SEVERITY

CVSSV2

CVSSV3

nvd@nist.gov: CVE-2020-1108
value: HIGH

Trust: 1.0

NVD: JVNDB-2020-006114
value: HIGH

Trust: 0.8

CNNVD: CNNVD-202005-570
value: HIGH

Trust: 0.6

nvd@nist.gov: CVE-2020-1108
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: 1.0

NVD: JVNDB-2020-006114
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: NONE
impactScore: NONE
acInsufInfo: NONE
obtainAllPrivilege: NONE
obtainUserPrivilege: NONE
obtainOtherPrivilege: NONE
userInteractionRequired: NONE
version: 2.0

Trust: 0.8

nvd@nist.gov: CVE-2020-1108
baseSeverity: HIGH
baseScore: 7.5
vectorString: CVSS:3.1/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: 3.1

Trust: 1.0

NVD: JVNDB-2020-006114
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: NONE
impactScore: NONE
version: 3.0

Trust: 0.8

sources: JVNDB: JVNDB-2020-006114 // CNNVD: CNNVD-202005-570 // NVD: CVE-2020-1108

PROBLEMTYPE DATA

problemtype:NVD-CWE-noinfo

Trust: 1.0

sources: NVD: CVE-2020-1108

THREAT TYPE

remote

Trust: 0.6

sources: CNNVD: CNNVD-202005-570

TYPE

other

Trust: 0.6

sources: CNNVD: CNNVD-202005-570

CONFIGURATIONS

sources:
            
            
            JVNDB: JVNDB-2020-006114

PATCH
title:CVE-2020-1108 | .NET Core & .NET Framework Denial of Service Vulnerabilityurl:https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2020-1108
Trust: 0.8
title:CVE-2020-1108 | .NET Core および .NET Framework のサービス拒否の脆弱性url:https://portal.msrc.microsoft.com/ja-jp/security-guidance/advisory/CVE-2020-1108
Trust: 0.8
title:Microsoft .NET Core  and .NET Framework Security vulnerabilitiesurl:http://www.cnnvd.org.cn/web/xxk/bdxqById.tag?id=118696
Trust: 0.6
title:Red Hat: Important: .NET Core on Red Hat Enterprise Linux security and bug fix updateurl:https://vulmon.com/vendoradvisory?qidtp=red_hat_security_advisories&qid=RHSA-20202146 - Security Advisory
Trust: 0.1
title:Red Hat: Important: .NET Core security updateurl:https://vulmon.com/vendoradvisory?qidtp=red_hat_security_advisories&qid=RHSA-20202143 - Security Advisory
Trust: 0.1
sources:
            
            
            VULMON: CVE-2020-1108 // 
            
            
            
            JVNDB: JVNDB-2020-006114 // 
            
            
            
            CNNVD: CNNVD-202005-570

EXTERNAL IDS
db:NVDid:CVE-2020-1108
Trust: 3.3
db:JVNDBid:JVNDB-2020-006114
Trust: 0.8
db:PACKETSTORMid:157794
Trust: 0.7
db:PACKETSTORMid:158021
Trust: 0.7
db:PACKETSTORMid:157704
Trust: 0.7
db:AUSCERTid:ESB-2020.2021
Trust: 0.6
db:AUSCERTid:ESB-2020.2010
Trust: 0.6
db:AUSCERTid:ESB-2020.1814
Trust: 0.6
db:AUSCERTid:ESB-2020.1691
Trust: 0.6
db:AUSCERTid:ESB-2020.2061
Trust: 0.6
db:NSFOCUSid:46713
Trust: 0.6
db:CNNVDid:CNNVD-202005-570
Trust: 0.6
db:VULMONid:CVE-2020-1108
Trust: 0.1
db:PACKETSTORMid:158007
Trust: 0.1
db:PACKETSTORMid:158019
Trust: 0.1
db:PACKETSTORMid:158020
Trust: 0.1
db:PACKETSTORMid:157702
Trust: 0.1
db:PACKETSTORMid:157788
Trust: 0.1
sources:
            
            
            VULMON: CVE-2020-1108 // 
            
            
            
            JVNDB: JVNDB-2020-006114 // 
            
            
            
            PACKETSTORM: 158007 // 
            
            
            
            PACKETSTORM: 158019 // 
            
            
            
            PACKETSTORM: 158020 // 
            
            
            
            PACKETSTORM: 157702 // 
            
            
            
            PACKETSTORM: 157794 // 
            
            
            
            PACKETSTORM: 157788 // 
            
            
            
            PACKETSTORM: 158021 // 
            
            
            
            PACKETSTORM: 157704 // 
            
            
            
            CNNVD: CNNVD-202005-570 // 
            
            
            
            NVD: CVE-2020-1108

REFERENCES
url:https://nvd.nist.gov/vuln/detail/cve-2020-1108
Trust: 2.2
url:https://portal.msrc.microsoft.com/en-us/security-guidance/advisory/cve-2020-1108
Trust: 1.6
url:https://cve.mitre.org/cgi-bin/cvename.cgi?name=cve-2020-1108
Trust: 0.8
url:https://www.redhat.com/mailman/listinfo/rhsa-announce
Trust: 0.8
url:https://access.redhat.com/security/cve/cve-2020-1108
Trust: 0.8
url:https://bugzilla.redhat.com/):
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url:https://access.redhat.com/security/team/key/
Trust: 0.8
url:https://access.redhat.com/articles/11258
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url:https://access.redhat.com/security/team/contact/
Trust: 0.8
url:https://access.redhat.com/security/updates/classification/#important
Trust: 0.8
url:https://www.auscert.org.au/bulletins/esb-2020.2061/
Trust: 0.6
url:https://www.auscert.org.au/bulletins/esb-2020.1691/
Trust: 0.6
url:http://www.nsfocus.net/vulndb/46713
Trust: 0.6
url:https://packetstormsecurity.com/files/157794/red-hat-security-advisory-2020-2250-01.html
Trust: 0.6
url:https://packetstormsecurity.com/files/158021/red-hat-security-advisory-2020-2475-01.html
Trust: 0.6
url:https://www.auscert.org.au/bulletins/esb-2020.1814/
Trust: 0.6
url:https://www.auscert.org.au/bulletins/esb-2020.2010/
Trust: 0.6
url:https://www.auscert.org.au/bulletins/esb-2020.2021/
Trust: 0.6
url:https://vigilance.fr/vulnerability/microsoft-visual-studio-vulnerabilities-of-may-2020-32249
Trust: 0.6
url:https://packetstormsecurity.com/files/157704/red-hat-security-advisory-2020-2146-01.html
Trust: 0.6
url:https://access.redhat.com/errata/rhsa-2020:2146
Trust: 0.2
url:https://access.redhat.com/security/cve/cve-2020-1161
Trust: 0.2
url:https://nvd.nist.gov/vuln/detail/cve-2020-1161
Trust: 0.2
url:https://exchange.xforce.ibmcloud.com/vulnerabilities/181094
Trust: 0.1
url:https://access.redhat.com/errata/rhsa-2020:2450
Trust: 0.1
url:https://access.redhat.com/errata/rhsa-2020:2476
Trust: 0.1
url:https://access.redhat.com/errata/rhsa-2020:2471
Trust: 0.1
url:https://access.redhat.com/errata/rhsa-2020:2143
Trust: 0.1
url:https://access.redhat.com/errata/rhsa-2020:2250
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url:https://access.redhat.com/errata/rhsa-2020:2249
Trust: 0.1
url:https://access.redhat.com/errata/rhsa-2020:2475
Trust: 0.1
sources:
            
            
            VULMON: CVE-2020-1108 // 
            
            
            
            JVNDB: JVNDB-2020-006114 // 
            
            
            
            PACKETSTORM: 158007 // 
            
            
            
            PACKETSTORM: 158019 // 
            
            
            
            PACKETSTORM: 158020 // 
            
            
            
            PACKETSTORM: 157702 // 
            
            
            
            PACKETSTORM: 157794 // 
            
            
            
            PACKETSTORM: 157788 // 
            
            
            
            PACKETSTORM: 158021 // 
            
            
            
            PACKETSTORM: 157704 // 
            
            
            
            CNNVD: CNNVD-202005-570 // 
            
            
            
            NVD: CVE-2020-1108

CREDITS
Red Hat
Trust: 1.4
sources:
            
            
            PACKETSTORM: 158007 // 
            
            
            
            PACKETSTORM: 158019 // 
            
            
            
            PACKETSTORM: 158020 // 
            
            
            
            PACKETSTORM: 157702 // 
            
            
            
            PACKETSTORM: 157794 // 
            
            
            
            PACKETSTORM: 157788 // 
            
            
            
            PACKETSTORM: 158021 // 
            
            
            
            PACKETSTORM: 157704 // 
            
            
            
            CNNVD: CNNVD-202005-570

SOURCES
db:VULMONid:CVE-2020-1108
db:JVNDBid:JVNDB-2020-006114
db:PACKETSTORMid:158007
db:PACKETSTORMid:158019
db:PACKETSTORMid:158020
db:PACKETSTORMid:157702
db:PACKETSTORMid:157794
db:PACKETSTORMid:157788
db:PACKETSTORMid:158021
db:PACKETSTORMid:157704
db:CNNVDid:CNNVD-202005-570
db:NVDid:CVE-2020-1108

LAST UPDATE DATE
2024-08-23T22:58:50.308000+00:00

SOURCES UPDATE DATE
db:VULMONid:CVE-2020-1108date:2020-12-08T00:00:00
db:JVNDBid:JVNDB-2020-006114date:2020-06-30T00:00:00
db:CNNVDid:CNNVD-202005-570date:2020-06-16T00:00:00
db:NVDid:CVE-2020-1108date:2023-10-15T16:43:05.807

SOURCES RELEASE DATE
db:VULMONid:CVE-2020-1108date:2020-05-21T00:00:00
db:JVNDBid:JVNDB-2020-006114date:2020-06-30T00:00:00
db:PACKETSTORMid:158007date:2020-06-10T15:06:32
db:PACKETSTORMid:158019date:2020-06-10T15:11:03
db:PACKETSTORMid:158020date:2020-06-10T15:11:11
db:PACKETSTORMid:157702date:2020-05-14T20:53:30
db:PACKETSTORMid:157794date:2020-05-21T16:41:39
db:PACKETSTORMid:157788date:2020-05-21T16:34:50
db:PACKETSTORMid:158021date:2020-06-10T15:11:23
db:PACKETSTORMid:157704date:2020-05-14T20:53:58
db:CNNVDid:CNNVD-202005-570date:2020-05-12T00:00:00
db:NVDid:CVE-2020-1108date:2020-05-21T23:15:14.867