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Red Hat Security Advisory 2024-0805-03
Red Hat Security Advisory 2024-0805-03 - An update for dotnet7.0 is now available for Red Hat Enterprise Linux 9. Issues addressed include a denial of service vulnerability.
The following advisory data is extracted from:https://access.redhat.com/security/data/csaf/v2/advisories/2024/rhsa-2024_0805.jsonRed Hat officially shut down their mailing list notifications October 10, 2023. Due to this, Packet Storm has recreated the below data as a reference point to raise awareness. It must be noted that due to an inability to easily track revision updates without crawling Red Hat's archive, these advisories are single notifications and we strongly suggest that you visit the Red Hat provided links to ensure you have the latest information available if the subject matter listed pertains to your environment.- Packet Storm Staff====================================================================Red Hat Security AdvisorySynopsis: Important: dotnet7.0 security updateAdvisory ID: RHSA-2024:0805-03Product: Red Hat Enterprise LinuxAdvisory URL: https://access.redhat.com/errata/RHSA-2024:0805Issue date: 2024-02-14Revision: 03CVE Names: CVE-2024-21386====================================================================Summary: An update for dotnet7.0 is now available for Red Hat Enterprise Linux 9.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.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 7.0.116 and .NET Runtime 7.0.16.Security Fix(es):* dotnet: Denial of Service in SignalR server (CVE-2024-21386)* dotnet: Denial of Service in X509Certificate2 (CVE-2024-21404)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:https://access.redhat.com/articles/11258CVEs:CVE-2024-21386References:https://access.redhat.com/security/updates/classification/#importanthttps://bugzilla.redhat.com/show_bug.cgi?id=2263085https://bugzilla.redhat.com/show_bug.cgi?id=2263086Related news
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Red Hat Security Advisory 2024-0806-03 - An update for dotnet7.0 is now available for Red Hat Enterprise Linux 8. Issues addressed include a denial of service vulnerability.
Ubuntu Security Notice 6634-1 - Brennan Conroy discovered that .NET with SignalR did not properly handle malicious clients. An attacker could possibly use this issue to cause a denial of service. Bahaa Naamneh discovered that .NET with OpenSSL support did not properly parse X509 certificates. An attacker could possibly use this issue to cause a denial of service.
# Microsoft Security Advisory CVE-2024-21386: .NET Denial of Service Vulnerability ## <a name="executive-summary"></a>Executive summary Microsoft is releasing this security advisory to provide information about a vulnerability in ASP.NET 6.0, ASP.NET 7.0 and, ASP.NET 8.0 . This advisory also provides guidance on what developers can do to update their applications to address this vulnerability. A vulnerability exists in ASP.NET applications using SignalR where a malicious client can result in a denial-of-service. ## Announcement Announcement for this issue can be found at https://github.com/dotnet/announcements/issues/295 ### <a name="mitigation-factors"></a>Mitigation factors Microsoft has not identified any mitigating factors for this vulnerability. ## <a name="affected-software"></a>Affected software * Any .NET 6.0 application running on .NET 6.0.26 or earlier. * Any .NET 7.0 application running on .NET 7.0.15 or earlier. * Any .NET 8.0 application running on .NET 8.0.1 or ...