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almalinuxAlmaLinuxALSA-2023:3581
HistoryJun 14, 2023 - 12:00 a.m.

Important: .NET 6.0 security, bug fix, and enhancement update

2023-06-1400:00:00
errata.almalinux.org
22
.net
security update
bug fixes
cve-2023-29331
cve-2023-29337
cve-2023-33128
symlink attack
dataset
datatable
remote code execution

7.5 High

CVSS3

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

NONE

User Interaction

NONE

Scope

UNCHANGED

Confidentiality Impact

NONE

Integrity Impact

NONE

Availability Impact

HIGH

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

0.01 Low

EPSS

Percentile

83.8%

.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 6.0.118 and .NET Runtime 6.0.18.

The following packages have been upgraded to a later upstream version: dotnet6.0 (6.0.118). (BZ#2212379)

Security Fix(es):

  • dotnet: .NET Kestrel: Denial of Service processing X509 Certificates (CVE-2023-29331)
  • dotnet: vulnerability exists in NuGet where a potential race condition can lead to a symlink attack (CVE-2023-29337)
  • dotnet: Remote Code Execution - Source generators issue can lead to a crash due to unmanaged heap corruption (CVE-2023-33128)
  • dotnet: Bypass restrictions when deserializing a DataSet or DataTable from XML (CVE-2023-24936)

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.

7.5 High

CVSS3

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

NONE

User Interaction

NONE

Scope

UNCHANGED

Confidentiality Impact

NONE

Integrity Impact

NONE

Availability Impact

HIGH

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

0.01 Low

EPSS

Percentile

83.8%