Vulnerability-Lookup

VAR-202208-0807

Vulnerability from variot - Updated: 2023-12-18 13:59

.NET Spoofing Vulnerability. 9) - aarch64, s390x, x86_64

-----BEGIN PGP SIGNED MESSAGE----- Hash: SHA256

====================================================================
Red Hat Security Advisory

Synopsis: Moderate: .NET Core 3.1 security, bug fix, and enhancement update Advisory ID: RHSA-2022:6037-01 Product: .NET Core on Red Hat Enterprise Linux Advisory URL: https://access.redhat.com/errata/RHSA-2022:6037 Issue date: 2022-08-10 CVE Names: CVE-2022-34716 ==================================================================== 1. Summary:

An update for .NET Core 3.1 is now available for Red Hat Enterprise Linux 7.

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

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 3.1.422 and .NET Runtime 3.1.28.

Security Fix(es):

dotnet: External Entity Injection during XML signature verification (CVE-2022-34716)

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.

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

Bugs fixed (https://bugzilla.redhat.com/):

2115183 - CVE-2022-34716 dotnet: External Entity Injection during XML signature verification

Package List:

.NET Core on Red Hat Enterprise Linux ComputeNode (v. 7):

Source: rh-dotnet31-dotnet-3.1.422-1.el7_9.src.rpm

x86_64: rh-dotnet31-aspnetcore-runtime-3.1-3.1.28-1.el7_9.x86_64.rpm rh-dotnet31-aspnetcore-targeting-pack-3.1-3.1.28-1.el7_9.x86_64.rpm rh-dotnet31-dotnet-3.1.422-1.el7_9.x86_64.rpm rh-dotnet31-dotnet-apphost-pack-3.1-3.1.28-1.el7_9.x86_64.rpm rh-dotnet31-dotnet-debuginfo-3.1.422-1.el7_9.x86_64.rpm rh-dotnet31-dotnet-host-3.1.28-1.el7_9.x86_64.rpm rh-dotnet31-dotnet-hostfxr-3.1-3.1.28-1.el7_9.x86_64.rpm rh-dotnet31-dotnet-runtime-3.1-3.1.28-1.el7_9.x86_64.rpm rh-dotnet31-dotnet-sdk-3.1-3.1.422-1.el7_9.x86_64.rpm rh-dotnet31-dotnet-sdk-3.1-source-built-artifacts-3.1.422-1.el7_9.x86_64.rpm rh-dotnet31-dotnet-targeting-pack-3.1-3.1.28-1.el7_9.x86_64.rpm rh-dotnet31-dotnet-templates-3.1-3.1.422-1.el7_9.x86_64.rpm rh-dotnet31-netstandard-targeting-pack-2.1-3.1.422-1.el7_9.x86_64.rpm

.NET Core on Red Hat Enterprise Linux Server (v. 7):

Source: rh-dotnet31-dotnet-3.1.422-1.el7_9.src.rpm

.NET Core on Red Hat Enterprise Linux Workstation (v. 7):

Source: rh-dotnet31-dotnet-3.1.422-1.el7_9.src.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-2022-34716 https://access.redhat.com/security/updates/classification/#moderate

Contact:

The Red Hat security contact is secalert@redhat.com. More contact details at https://access.redhat.com/security/team/contact/

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The following packages have been upgraded to a later upstream version: rh-dotnet60-dotnet (6.0.108)

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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. Description:\n\n.NET is a managed-software framework. It implements a subset of the .NET\nframework APIs and several new APIs, and it includes a CLR implementation. \n\nNew versions of .NET that address a security vulnerability are now\navailable. The updated versions are .NET SDK 3.1.422 and .NET Runtime\n3.1.28. \n\nSecurity Fix(es):\n\n* dotnet: External Entity Injection during XML signature verification\n(CVE-2022-34716)\n\nFor more details about the security issue(s), including the impact, a CVSS\nscore, acknowledgments, and other related information, refer to the CVE\npage(s) listed in the References section. \n\n4. Solution:\n\nFor details on how to apply this update, which includes the changes\ndescribed in this advisory, refer to:\n\nhttps://access.redhat.com/articles/11258\n\n5. Bugs fixed (https://bugzilla.redhat.com/):\n\n2115183 - CVE-2022-34716 dotnet: External Entity Injection during XML signature verification\n\n6. 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CVE-2022-34716 (GCVE-0-2022-34716)

Vulnerability from cvelistv5 – Published: 2022-08-09 19:55 – Updated: 2025-05-29 20:07

Title

.NET Spoofing Vulnerability

Summary

.NET Spoofing Vulnerability

Severity

5.9 (Medium)


                        
                          CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:N/A:N/E:U/RL:O/RC:C

SSVC

Exploitation: none Automatable: no Technical Impact: partial

CISA Coordinator · CISA-ADP (v2.0.3)

Decision recorded 2025-05-29 20:04 UTC

CWE

Spoofing
CWE-290 - Authentication Bypass by Spoofing

Assigner

microsoft mitre root

References

1 reference

URL	Tags
https://msrc.microsoft.com/update-guide/vulnerabi…	vendor-advisory

Impacted products

9 products

Vendor	Product	Version
Microsoft	Microsoft Visual Studio 2017 version 15.9 (includes 15.0 - 15.8)	Affected: 15.9.0 , < 15.9.50 (custom)
Microsoft	Microsoft Visual Studio 2022 version 17.2	Affected: 17.2.0 , < 17.2.7 (custom)
Microsoft	Microsoft Visual Studio 2019 version 16.9 (includes 16.0 - 16.8)	Affected: 15.0.0 , < 16.9.24 (custom)
Microsoft	Microsoft Visual Studio 2019 version 16.11 (includes 16.0 - 16.10)	Affected: 16.11.0 , < 16.11.18 (custom)
Microsoft	Microsoft Visual Studio 2022 version 17.0	Affected: 17.0.0 , < 17.0.13 (custom)
Microsoft	.NET 6.0	Affected: 6.0.0 , < 6.0.8 (custom)
Microsoft	.NET Core 3.1	Affected: 3.1 , < 3.1.28 (custom)
Microsoft	PowerShell 7.0	Affected: 7.0.0 , < 7.0.12 (custom)
Microsoft	PowerShell 7.2	Affected: 7.2.0 , < 7.2.6 (custom)

Date Public

2022-08-09 07:00

Show details on NVD website

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Sightings

Author	Source	Type	Date	Other

Nomenclature

Seen: The vulnerability was mentioned, discussed, or observed by the user.
Confirmed: The vulnerability has been validated from an analyst's perspective.
Published Proof of Concept: A public proof of concept is available for this vulnerability.
Exploited: The vulnerability was observed as exploited by the user who reported the sighting.
Patched: The vulnerability was observed as successfully patched by the user who reported the sighting.
Not exploited: The vulnerability was not observed as exploited by the user who reported the sighting.
Not confirmed: The user expressed doubt about the validity of the vulnerability.
Not patched: The vulnerability was not observed as successfully patched by the user who reported the sighting.

Detection rules are retrieved from Rulezet.

The MITRE ATT&CK techniques below are AI-generated suggestions, inferred from the description of the vulnerability by the CIRCL/vulnerability-attack-technique-classification-roberta-base model, served locally by ML-Gateway. They have not been verified by an analyst and are provided for guidance only.
The approach is described in our paper Mapping CVEs to MITRE ATT&CK Techniques: A Curated Gold-Set Classifier and the Limits of LLM-Assisted Label Expansion.
Browse all ATT&CK techniques and the vulnerabilities related to each.

Related by attack behaviour

Vulnerabilities whose description is nearest to this one in the vector space of the CIRCL/vulnerability-attack-technique-biencoder model. This is a similarity search over the bi-encoder space (plain cosine), not a classification, and it has no measured accuracy.

Action not permitted

VAR-202208-0807

CVE-2022-34716 (GCVE-0-2022-34716)

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Sightings

Nomenclature

Related by attack behaviour