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ID

VAR-202106-1709


CVE

CVE-2021-31957


TITLE

.NET  and  Microsoft Visual Studio  Denial of service in Japan  (DoS)  Vulnerability

Trust: 0.8

sources: JVNDB: JVNDB-2021-001972

DESCRIPTION

ASP.NET Core Denial of Service Vulnerability. .NET and Microsoft Visual Studio Has ASP.NET Service operation is interrupted due to a defect in (DoS) A vulnerability exists.Denial of service (DoS) It may be put into a state. Pillow is a Python-based image processing library. There is currently no information about this vulnerability, please feel free to follow CNNVD or manufacturer announcements. -----BEGIN PGP SIGNED MESSAGE----- Hash: SHA256 ==================================================================== Red Hat Security Advisory Synopsis: Important: .NET Core 3.1 on RHEL 7 security and bugfix update Advisory ID: RHSA-2021:2350-01 Product: .NET Core on Red Hat Enterprise Linux Advisory URL: https://access.redhat.com/errata/RHSA-2021:2350 Issue date: 2021-06-08 CVE Names: CVE-2021-31957 ==================================================================== 1. Summary: An update for rh-dotnet31-dotnet is now available for .NET Core 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. 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 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 3.1.116 and .NET Runtime 3.1.16. Security Fix(es): * dotnet: ASP.NET Core Client Disconnect Denial of Service (CVE-2021-31957) 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. Package List: .NET Core on Red Hat Enterprise Linux ComputeNode (v. 7): Source: rh-dotnet31-dotnet-3.1.116-1.el7_9.src.rpm x86_64: rh-dotnet31-aspnetcore-runtime-3.1-3.1.16-1.el7_9.x86_64.rpm rh-dotnet31-aspnetcore-targeting-pack-3.1-3.1.16-1.el7_9.x86_64.rpm rh-dotnet31-dotnet-3.1.116-1.el7_9.x86_64.rpm rh-dotnet31-dotnet-apphost-pack-3.1-3.1.16-1.el7_9.x86_64.rpm rh-dotnet31-dotnet-debuginfo-3.1.116-1.el7_9.x86_64.rpm rh-dotnet31-dotnet-host-3.1.16-1.el7_9.x86_64.rpm rh-dotnet31-dotnet-hostfxr-3.1-3.1.16-1.el7_9.x86_64.rpm rh-dotnet31-dotnet-runtime-3.1-3.1.16-1.el7_9.x86_64.rpm rh-dotnet31-dotnet-sdk-3.1-3.1.116-1.el7_9.x86_64.rpm rh-dotnet31-dotnet-targeting-pack-3.1-3.1.16-1.el7_9.x86_64.rpm rh-dotnet31-dotnet-templates-3.1-3.1.116-1.el7_9.x86_64.rpm rh-dotnet31-netstandard-targeting-pack-2.1-3.1.116-1.el7_9.x86_64.rpm .NET Core on Red Hat Enterprise Linux Server (v. 7): Source: rh-dotnet31-dotnet-3.1.116-1.el7_9.src.rpm x86_64: rh-dotnet31-aspnetcore-runtime-3.1-3.1.16-1.el7_9.x86_64.rpm rh-dotnet31-aspnetcore-targeting-pack-3.1-3.1.16-1.el7_9.x86_64.rpm rh-dotnet31-dotnet-3.1.116-1.el7_9.x86_64.rpm rh-dotnet31-dotnet-apphost-pack-3.1-3.1.16-1.el7_9.x86_64.rpm rh-dotnet31-dotnet-debuginfo-3.1.116-1.el7_9.x86_64.rpm rh-dotnet31-dotnet-host-3.1.16-1.el7_9.x86_64.rpm rh-dotnet31-dotnet-hostfxr-3.1-3.1.16-1.el7_9.x86_64.rpm rh-dotnet31-dotnet-runtime-3.1-3.1.16-1.el7_9.x86_64.rpm rh-dotnet31-dotnet-sdk-3.1-3.1.116-1.el7_9.x86_64.rpm rh-dotnet31-dotnet-targeting-pack-3.1-3.1.16-1.el7_9.x86_64.rpm rh-dotnet31-dotnet-templates-3.1-3.1.116-1.el7_9.x86_64.rpm rh-dotnet31-netstandard-targeting-pack-2.1-3.1.116-1.el7_9.x86_64.rpm .NET Core on Red Hat Enterprise Linux Workstation (v. 7): Source: rh-dotnet31-dotnet-3.1.116-1.el7_9.src.rpm x86_64: rh-dotnet31-aspnetcore-runtime-3.1-3.1.16-1.el7_9.x86_64.rpm rh-dotnet31-aspnetcore-targeting-pack-3.1-3.1.16-1.el7_9.x86_64.rpm rh-dotnet31-dotnet-3.1.116-1.el7_9.x86_64.rpm rh-dotnet31-dotnet-apphost-pack-3.1-3.1.16-1.el7_9.x86_64.rpm rh-dotnet31-dotnet-debuginfo-3.1.116-1.el7_9.x86_64.rpm rh-dotnet31-dotnet-host-3.1.16-1.el7_9.x86_64.rpm rh-dotnet31-dotnet-hostfxr-3.1-3.1.16-1.el7_9.x86_64.rpm rh-dotnet31-dotnet-runtime-3.1-3.1.16-1.el7_9.x86_64.rpm rh-dotnet31-dotnet-sdk-3.1-3.1.116-1.el7_9.x86_64.rpm rh-dotnet31-dotnet-targeting-pack-3.1-3.1.16-1.el7_9.x86_64.rpm rh-dotnet31-dotnet-templates-3.1-3.1.116-1.el7_9.x86_64.rpm rh-dotnet31-netstandard-targeting-pack-2.1-3.1.116-1.el7_9.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-2021-31957 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 2021 Red Hat, Inc. -----BEGIN PGP SIGNATURE----- Version: GnuPG v1 iQIVAwUBYMAbx9zjgjWX9erEAQg0iA//ZMTDOkp9jyDMxC6VRisGHkU6yxWPFIEs 5xelU+7Pusp7mmYsFM9+c8dn7sWiRuuX7S9q+DhOTemcSmjfE8TCg2PIwDwJ4v4i AsPzx+x93ug0Jy6VWSJo/992tsdv+m809rQnqMItQy4BB7YrYaqsCtrsGxZHOP90 1LOyaiRSm7pg2OjUzvTg+k5WX4XCOvzRELiB2ErGpryR6CgU6zbCURf4fnczj2/d rNtbxXmsDSbmTUC0qt+7uKJHzoxKXUYAHDF+wyiJXSAe2eV29nINbPa9R8vx0koE BF2xcgVYd9MNPal3tsZ15jm6+hvk0tVMM+gPhAWQQczXl0aFMaWBSAmXPPJ/ZFXE +mdMXNKzuxaxK+9JsBcLS7gsTSOBfzq1Sm7oQRKGmQIPqSMdQZucs3C86sASXLGD ixQs99clPBeCFwUjvwIuHPkWQFHsxsM0LQJlGb6PHQJbVmRSc2PDgdu2BVjHJWSl c7VxLpXHwd7uiS/zw5KTpbcXpxzCAFwD2g9mZXvgRwv8xB/yMI1uim/mbdotTs5j C+Z8s0E1ggb6X9PkgFGMMwKIfZee3TiqbQevNjvZwqi3XbVEM4W2bDLLo0+I4Ly2 /1qPQc3r4ximd5loy9q3O/4kdkluuFsmznTg68Z0V1PCbhZ+JGpDi3ivdHV86LKa Y+qTXDnEhw8=kKm2 -----END PGP SIGNATURE----- -- RHSA-announce mailing list RHSA-announce@redhat.com https://listman.redhat.com/mailman/listinfo/rhsa-announce

Trust: 2.52

sources: NVD: CVE-2021-31957 // JVNDB: JVNDB-2021-001972 // CNNVD: CNNVD-202104-975 // PACKETSTORM: 163033 // PACKETSTORM: 163035 // PACKETSTORM: 163039 // PACKETSTORM: 163041

AFFECTED PRODUCTS

vendor:fedoraprojectmodel:fedorascope:eqversion:34

Trust: 1.0

vendor:microsoftmodel:visual studio 2019scope:eqversion:8.10

Trust: 1.0

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

Trust: 1.0

vendor:microsoftmodel:visual studio 2019scope:lteversion:16.10

Trust: 1.0

vendor:microsoftmodel:.net corescope:lteversion:3.1.15

Trust: 1.0

vendor:fedoraprojectmodel:fedorascope:eqversion:33

Trust: 1.0

vendor:microsoftmodel:.netscope:gteversion:5.0

Trust: 1.0

vendor:microsoftmodel:.netscope:lteversion:5.0.6

Trust: 1.0

vendor:microsoftmodel:.net corescope:gteversion:3.1

Trust: 1.0

vendor:マイクロソフトmodel:.netscope: - version: -

Trust: 0.8

vendor:マイクロソフトmodel:microsoft visual studioscope: - version: -

Trust: 0.8

vendor:fedoramodel:fedorascope: - version: -

Trust: 0.8

sources: JVNDB: JVNDB-2021-001972 // NVD: CVE-2021-31957

CVSS

SEVERITY

CVSSV2

CVSSV3

nvd@nist.gov: CVE-2021-31957
value: HIGH

Trust: 1.0

secure@microsoft.com: CVE-2021-31957
value: MEDIUM

Trust: 1.0

NVD: CVE-2021-31957
value: HIGH

Trust: 0.8

CNNVD: CNNVD-202104-975
value: MEDIUM

Trust: 0.6

CNNVD: CNNVD-202106-495
value: HIGH

Trust: 0.6

nvd@nist.gov: CVE-2021-31957
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

nvd@nist.gov: CVE-2021-31957
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

secure@microsoft.com: CVE-2021-31957
baseSeverity: MEDIUM
baseScore: 5.9
vectorString: CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:N/A:H
attackVector: NETWORK
attackComplexity: HIGH
privilegesRequired: NONE
userInteraction: NONE
scope: UNCHANGED
confidentialityImpact: NONE
integrityImpact: NONE
availabilityImpact: HIGH
exploitabilityScore: 2.2
impactScore: 3.6
version: 3.1

Trust: 1.0

NVD: CVE-2021-31957
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-2021-001972 // CNNVD: CNNVD-202104-975 // CNNVD: CNNVD-202106-495 // NVD: CVE-2021-31957 // NVD: CVE-2021-31957

PROBLEMTYPE DATA

problemtype:NVD-CWE-noinfo

Trust: 1.0

problemtype:Lack of information (CWE-noinfo) [NVD Evaluation ]

Trust: 0.8

sources: JVNDB: JVNDB-2021-001972 // NVD: CVE-2021-31957

THREAT TYPE

remote

Trust: 0.6

sources: CNNVD: CNNVD-202106-495

TYPE

other

Trust: 0.6

sources: CNNVD: CNNVD-202104-975

PATCH

title:ASP.NET Denial of Service Vulnerability Security Update Guideurl:https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/4PRVVLXXQEF4SEJOBV3VRJHGX7YHY2CG/

Trust: 0.8

title:Visual Studio Enter the fix for the verification error vulnerabilityurl:http://www.cnnvd.org.cn/web/xxk/bdxqById.tag?id=155429

Trust: 0.6

sources: JVNDB: JVNDB-2021-001972 // CNNVD: CNNVD-202106-495

EXTERNAL IDS

db:NVDid:CVE-2021-31957

Trust: 2.8

db:JVNDBid:JVNDB-2021-001972

Trust: 0.8

db:PACKETSTORMid:163033

Trust: 0.7

db:CS-HELPid:SB2021041363

Trust: 0.6

db:CNNVDid:CNNVD-202104-975

Trust: 0.6

db:CS-HELPid:SB2021061519

Trust: 0.6

db:CS-HELPid:SB2021060808

Trust: 0.6

db:CS-HELPid:SB2021060930

Trust: 0.6

db:AUSCERTid:ESB-2021.2038

Trust: 0.6

db:CNNVDid:CNNVD-202106-495

Trust: 0.6

db:PACKETSTORMid:163035

Trust: 0.1

db:PACKETSTORMid:163039

Trust: 0.1

db:PACKETSTORMid:163041

Trust: 0.1

sources: JVNDB: JVNDB-2021-001972 // PACKETSTORM: 163033 // PACKETSTORM: 163035 // PACKETSTORM: 163039 // PACKETSTORM: 163041 // CNNVD: CNNVD-202104-975 // CNNVD: CNNVD-202106-495 // NVD: CVE-2021-31957

REFERENCES

url:https://portal.msrc.microsoft.com/en-us/security-guidance/advisory/cve-2021-31957

Trust: 1.6

url:https://nvd.nist.gov/vuln/detail/cve-2021-31957

Trust: 1.2

url:https://access.redhat.com/security/cve/cve-2021-31957

Trust: 1.0

url:https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/4prvvlxxqef4sejobv3vrjhgx7yhy2cg/

Trust: 1.0

url:https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/cvcdyip4a6ddrt7g6p3zw6pknk2dnwj2/

Trust: 1.0

url:https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/pmhwhrrydhkm6biinw5v7ocsw4sdwb4w/

Trust: 1.0

url:https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/vmao4ng2oq4pcxuqwmnscmywlijjy6uy/

Trust: 1.0

url:https://www.ipa.go.jp/security/ciadr/vul/20210609-ms.html

Trust: 0.8

url:https://www.jpcert.or.jp/at/2021/at210027.html

Trust: 0.8

url:https://www.cybersecurity-help.cz/vdb/sb2021041363

Trust: 0.6

url:https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/cvcdyip4a6ddrt7g6p3zw6pknk2dnwj2/

Trust: 0.6

url:https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/pmhwhrrydhkm6biinw5v7ocsw4sdwb4w/

Trust: 0.6

url:https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/vmao4ng2oq4pcxuqwmnscmywlijjy6uy/

Trust: 0.6

url:https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/4prvvlxxqef4sejobv3vrjhgx7yhy2cg/

Trust: 0.6

url:https://packetstormsecurity.com/files/163033/red-hat-security-advisory-2021-2352-01.html

Trust: 0.6

url:https://msrc.microsoft.com/update-guide/vulnerability/cve-2021-31957

Trust: 0.6

url:https://www.auscert.org.au/bulletins/esb-2021.2038

Trust: 0.6

url:https://www.cybersecurity-help.cz/vdb/sb2021060930

Trust: 0.6

url:https://vigilance.fr/vulnerability/microsoft-visual-studio-vulnerabilities-of-june-2021-35661

Trust: 0.6

url:https://www.cybersecurity-help.cz/vdb/sb2021061519

Trust: 0.6

url:https://www.cybersecurity-help.cz/vdb/sb2021060808

Trust: 0.6

url:https://listman.redhat.com/mailman/listinfo/rhsa-announce

Trust: 0.4

url:https://access.redhat.com/security/updates/classification/#important

Trust: 0.4

url:https://access.redhat.com/articles/11258

Trust: 0.4

url:https://access.redhat.com/security/team/key/

Trust: 0.4

url:https://bugzilla.redhat.com/):

Trust: 0.4

url:https://access.redhat.com/security/team/contact/

Trust: 0.4

url:https://access.redhat.com/errata/rhsa-2021:2352

Trust: 0.1

url:https://access.redhat.com/errata/rhsa-2021:2353

Trust: 0.1

url:https://access.redhat.com/errata/rhsa-2021:2350

Trust: 0.1

url:https://access.redhat.com/errata/rhsa-2021:2351

Trust: 0.1

sources: JVNDB: JVNDB-2021-001972 // PACKETSTORM: 163033 // PACKETSTORM: 163035 // PACKETSTORM: 163039 // PACKETSTORM: 163041 // CNNVD: CNNVD-202104-975 // CNNVD: CNNVD-202106-495 // NVD: CVE-2021-31957

CREDITS

Red Hat

Trust: 0.4

sources: PACKETSTORM: 163033 // PACKETSTORM: 163035 // PACKETSTORM: 163039 // PACKETSTORM: 163041

SOURCES

db:JVNDBid:JVNDB-2021-001972
db:PACKETSTORMid:163033
db:PACKETSTORMid:163035
db:PACKETSTORMid:163039
db:PACKETSTORMid:163041
db:CNNVDid:CNNVD-202104-975
db:CNNVDid:CNNVD-202106-495
db:NVDid:CVE-2021-31957

LAST UPDATE DATE

2024-08-14T12:28:35.463000+00:00


SOURCES UPDATE DATE

db:JVNDBid:JVNDB-2021-001972date:2021-07-06T07:22:00
db:CNNVDid:CNNVD-202104-975date:2021-04-14T00:00:00
db:CNNVDid:CNNVD-202106-495date:2021-06-29T00:00:00
db:NVDid:CVE-2021-31957date:2024-05-29T15:15:43.553

SOURCES RELEASE DATE

db:JVNDBid:JVNDB-2021-001972date:2021-07-06T00:00:00
db:PACKETSTORMid:163033date:2021-06-09T13:27:08
db:PACKETSTORMid:163035date:2021-06-09T13:27:47
db:PACKETSTORMid:163039date:2021-06-09T13:40:11
db:PACKETSTORMid:163041date:2021-06-09T13:40:25
db:CNNVDid:CNNVD-202104-975date:2021-04-13T00:00:00
db:CNNVDid:CNNVD-202106-495date:2021-06-08T00:00:00
db:NVDid:CVE-2021-31957date:2021-06-08T23:15:08.870