QID 239669

Date Published: 2021-10-20

QID 239669: Red Hat Update for .NET 5.0 (RHSA-2021:3819)

.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 5.0.208 and .NET Runtime 5.0.11.

Security Fix(es): dotnet: System.DirectoryServices.Protocols.LdapConnection sends credentials in plaintext if TLS handshake fails (CVE-2021-41355)

Affected Products:

Red Hat Enterprise Linux for x86_64 8 x86_64
Red Hat Enterprise Linux for x86_64 - Extended Update Support 8.4 x86_64
Red Hat Enterprise Linux Server - AUS 8.4 x86_64
Red Hat Enterprise Linux Server - TUS 8.4 x86_64
Red Hat Enterprise Linux Server - Update Services for SAP Solutions 8.4 x86_64

Note: The preceding description block is extracted directly from the security advisory. Using automation, we have attempted to clean and format it as much as possible without introducing additional issues.

On successful exploitation, it could allow an attacker to execute code.

CVSS V3 rated as Medium - 5.7 severity.

CVSS V2 rated as Low - 2.9 severity.

Solution

Upgrade to the latest packages which contain a patch. Refer to Applying Package Updates to RHEL system for details.

Refer to Red Hat security advisory RHSA-2021:3819 to address this issue and obtain more information.

Vendor References

RHSA-2021:3819 - access.redhat.com/errata/RHSA-2021:3819?language=en

CVEs related to QID 239669

CVE-2021-41355 |

Software Advisories

Advisory ID	Software	Component	Link
RHSA-2021:3819	Red Hat Enterprise Linux		access.redhat.com/errata/RHSA-2021:3819?language=en

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