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Red Hat Security Advisory 2024-4451-03
Red Hat Security Advisory 2024-4451-03 - An update for dotnet8.0 is now available for Red Hat Enterprise Linux 8. 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_4451.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: dotnet8.0 security updateAdvisory ID: RHSA-2024:4451-03Product: Red Hat Enterprise LinuxAdvisory URL: https://access.redhat.com/errata/RHSA-2024:4451Issue date: 2024-07-10Revision: 03CVE Names: CVE-2024-30105====================================================================Summary: An update for dotnet8.0 is now available for Red Hat Enterprise Linux 8.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 8.0.107 and Runtime 8.0.7.Security Fix(es):* dotnet: DoS in System.Text.Json (CVE-2024-30105)* dotnet: DoS in ASP.NET Core 8 (CVE-2024-35264)* dotnet: DoS when parsing X.509 Content and ObjectIdentifiers (CVE-2024-38095)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-2024-30105References:https://access.redhat.com/security/updates/classification/#importanthttps://bugzilla.redhat.com/show_bug.cgi?id=2295320https://bugzilla.redhat.com/show_bug.cgi?id=2295321https://bugzilla.redhat.com/show_bug.cgi?id=2295323Related news
Ubuntu Security Notice 6889-1 - It was discovered that .NET did not properly handle object deserialization. An attacker could possibly use this issue to cause a denial of service. Radek Zikmund discovered that .NET did not properly manage memory. An attacker could use this issue to cause a denial of service or possibly execute arbitrary code. It was discovered that .NET did not properly parse X.509 Content and ObjectIdentifiers. An attacker could possibly use this issue to cause a denial of service.
Ubuntu Security Notice 6889-1 - It was discovered that .NET did not properly handle object deserialization. An attacker could possibly use this issue to cause a denial of service. Radek Zikmund discovered that .NET did not properly manage memory. An attacker could use this issue to cause a denial of service or possibly execute arbitrary code. It was discovered that .NET did not properly parse X.509 Content and ObjectIdentifiers. An attacker could possibly use this issue to cause a denial of service.
Ubuntu Security Notice 6889-1 - It was discovered that .NET did not properly handle object deserialization. An attacker could possibly use this issue to cause a denial of service. Radek Zikmund discovered that .NET did not properly manage memory. An attacker could use this issue to cause a denial of service or possibly execute arbitrary code. It was discovered that .NET did not properly parse X.509 Content and ObjectIdentifiers. An attacker could possibly use this issue to cause a denial of service.
Red Hat Security Advisory 2024-4450-03 - An update for dotnet8.0 is now available for Red Hat Enterprise Linux 9. Issues addressed include a denial of service vulnerability.
Red Hat Security Advisory 2024-4439-03 - An update for dotnet6.0 is now available for Red Hat Enterprise Linux 9. Issues addressed include a denial of service vulnerability.
Red Hat Security Advisory 2024-4438-03 - An update for dotnet6.0 is now available for Red Hat Enterprise Linux 8. Issues addressed include a denial of service vulnerability.
Microsoft has released patches to address a total of 143 security flaws as part of its monthly security updates, two of which have come under active exploitation in the wild. Five out of the 143 flaws are rated Critical, 136 are rated Important, and four are rated Moderate in severity. The fixes are in addition to 33 vulnerabilities that have been addressed in the Chromium-based Edge browser
# Microsoft Security Advisory CVE-2024-38095 | .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 .NET 6.0 and .NET 8.0. This advisory also provides guidance on what developers can do to update their applications to remove this vulnerability. A Vulnerability exists when System.Formats.Asn1 in .NET parses an X.509 certificate or collection of certificates, a malicious certificate can result in excessive CPU consumption on all platforms result in Denial of Service. ## Announcement Announcement for this issue can be found at https://github.com/dotnet/announcements/issues/312 ## <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 6.0.31 or earlier. * Any .NET 8.0 application runni...
# Microsoft Security Advisory CVE-2024-35264 | .NET Remote Code Execution Vulnerability ## <a name="executive-summary"></a>Executive summary Microsoft is releasing this security advisory to provide information about a vulnerability in .NET 8.0. This advisory also provides guidance on what developers can do to update their applications to remove this vulnerability. A Vulnerability exists in ASP.NET Core 8 where Data Corruption in Kestrel HTTP/3 can result in remote code execution. Note: HTTP/3 is experimental in .NET 6.0. If you are on .NET 6.0 and using HTTP/3, please upgrade to .NET 8.0.7 ## Announcement Announcement for this issue can be found at https://github.com/dotnet/announcements/issues/314 ## <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 8.0 application running on .NET 8.0.6 or earlier. ## <a name="affected-packages"></a...
# Microsoft Security Advisory CVE-2024-30105 | .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 .NET 8.0. This advisory also provides guidance on what developers can do to update their applications to remove this vulnerability. A vulnerability exists in .NET when calling the JsonSerializer.DeserializeAsyncEnumerable method against an untrusted input using System.Text.Json may result in Denial of Service. ## Discussion Discussion for this issue can be found at https://github.com/dotnet/runtime/issues/104619 ## <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 8.0 application running on .NET 8.0.6 or earlier. ## <a name="affected-packages"></a>Affected Packages The vulnerability affects any Microsoft .NE...