Headline
Red Hat Security Advisory 2023-7258-01
Red Hat Security Advisory 2023-7258-01 - An update for dotnet6.0 is now available for Red Hat Enterprise Linux 8. Issues addressed include a bypass vulnerability.
The following advisory data is extracted from:https://access.redhat.com/security/data/csaf/v2/advisories/2023/rhsa-2023_7258.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: Moderate: dotnet6.0 security updateAdvisory ID: RHSA-2023:7258-01Product: Red Hat Enterprise LinuxAdvisory URL: https://access.redhat.com/errata/RHSA-2023:7258Issue date: 2023-11-15Revision: 01CVE Names: CVE-2023-36049====================================================================Summary: An update for dotnet6.0 is now available for Red Hat Enterprise Linux 8.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.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 6.0.125 and .NET Runtime 6.0.25.Security Fix(es):* dotnet: Arbitrary File Write and Deletion Vulnerability: FormatFtpCommand (CVE-2023-36049)* dotnet: ASP.NET Security Feature Bypass Vulnerability in Blazor forms (CVE-2023-36558)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-2023-36049References:https://access.redhat.com/security/updates/classification/#moderatehttps://bugzilla.redhat.com/show_bug.cgi?id=2247750https://bugzilla.redhat.com/show_bug.cgi?id=2248883Related news
Ubuntu Security Notice 6480-1 - Barry Dorrans discovered that .NET did not properly implement certain security features for Blazor server forms. An attacker could possibly use this issue to bypass validation, which could trigger unintended actions. Piotr Bazydlo discovered that .NET did not properly handle untrusted URIs provided to System.Net.WebRequest.Create. An attacker could possibly use this issue to inject arbitrary commands to backend FTP servers.
Ubuntu Security Notice 6480-1 - Barry Dorrans discovered that .NET did not properly implement certain security features for Blazor server forms. An attacker could possibly use this issue to bypass validation, which could trigger unintended actions. Piotr Bazydlo discovered that .NET did not properly handle untrusted URIs provided to System.Net.WebRequest.Create. An attacker could possibly use this issue to inject arbitrary commands to backend FTP servers.
Red Hat Security Advisory 2023-7259-01 - An update for.NET 6.0 is now available for Red Hat Enterprise Linux 7. Issues addressed include a bypass vulnerability.
Red Hat Security Advisory 2023-7259-01 - An update for.NET 6.0 is now available for Red Hat Enterprise Linux 7. Issues addressed include a bypass vulnerability.
Red Hat Security Advisory 2023-7256-01 - An update for dotnet7.0 is now available for Red Hat Enterprise Linux 8. Issues addressed include a bypass vulnerability.
Red Hat Security Advisory 2023-7255-01 - An update for dotnet7.0 is now available for Red Hat Enterprise Linux 9. Issues addressed include a bypass vulnerability.
ASP.NET Core - Security Feature Bypass Vulnerability
.NET, .NET Framework, and Visual Studio Elevation of Privilege Vulnerability
# Microsoft Security Advisory CVE-2023-36049: .NET Elevation of Privilege Vulnerability ## <a name="executive-summary"></a>Executive summary Microsoft is releasing this security advisory to provide information about a vulnerability in .NET 6.0, .NET 7.0 and .NET 8.0 RC2. This advisory also provides guidance on what developers can do to update their applications to address this vulnerability. An elevation of privilege vulnerability exists in .NET where untrusted URIs provided to System.Net.WebRequest.Create can be used to inject arbitrary commands to backend FTP servers. ## Announcement Announcement for this issue can be found at https://github.com/dotnet/announcements/issues/287 ### <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 6.0.24 or earlier. * Any .NET 7.0 application running on .NET 7.0.13 or e...
# Microsoft Security Advisory CVE-2023-36558: .NET Security Feature Bypass Vulnerability ## <a name="executive-summary"></a>Executive summary Microsoft is releasing this security advisory to provide information about a vulnerability in ASP.NET Core 6.0, ASP.NET Core 7.0 and, ASP.NET Core 8.0 RC2. This advisory also provides guidance on what developers can do to update their applications to address this vulnerability. A security feature bypass vulnerability exists in ASP.NET where an unauthenticated user is able to bypass validation on Blazor server forms which could trigger unintended actions. ## Announcement Announcement for this issue can be found at https://github.com/dotnet/announcements/issues/288 ### <a name="mitigation-factors"></a>Mitigation factors This vulnerability only affects ASP.NET Core Blazor apps. Other application types, including ASP.NET Core apps which do not utilize Blazor, are not affected. ## <a name="affected-software"></a>Affected software * Any ASP...