Security
Headlines
HeadlinesLatestCVEs

Tag

#asp.net

CloudNordic Faces Severe Data Loss After Ransomware Attack

By Deeba Ahmed While facing a total loss of internal infrastructure and customer data, CloudNordic has declined to pay the ransom. This is a post from HackRead.com Read the original post: CloudNordic Faces Severe Data Loss After Ransomware Attack

HackRead
#vulnerability#web#auth#asp.net#ssl
GHSA-j8rm-cm55-qqj6: .NET Information Disclosure Vulnerability

# Microsoft Security Advisory CVE-2023-35391: .NET Information Disclosure Vulnerability ## <a name="executive-summary"></a>Executive summary Microsoft is releasing this security advisory to provide information about a vulnerability in ASP.NET core 2.1, .NET 6.0 and, .NET 7.0. 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 2.1, .NET 6.0 and, .NET 7.0 applications using SignalR when redis backplane use might result in information disclosure. ## Announcement Announcement for this issue can be found at https://github.com/dotnet/announcements/issues/267 ### <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 7.0 application running on .NET 7.0.9 or earlier. * Any .NET 6.0 application running on .NET 6.0.20 or earlier. If your appli...

CISA Adds Microsoft .NET Vulnerability to KEV Catalog Due to Active Exploitation

The U.S. Cybersecurity and Infrastructure Security Agency (CISA) has added a recently patched security flaw in Microsoft's .NET and Visual Studio products to its Known Exploited Vulnerabilities (KEV) catalog, citing evidence of active exploitation. Tracked as CVE-2023-38180 (CVSS score: 7.5), the high-severity flaw relates to a case denial-of-service (DoS) impacting .NET and Visual Studio. It

GHSA-p57v-gv7q-4xfm: .NET Denial of Service Vulnerability

# Microsoft Security Advisory CVE-2023-38178: .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 7.0. This advisory also provides guidance on what developers can do to update their applications to remove this vulnerability. A vulnerability exists in .NET Kestrel where a malicious client can bypass QUIC stream limit in HTTP/3 in both ASP.NET and .NET runtimes resulting in denial of service. ## Announcement Announcement for this issue can be found at https://github.com/dotnet/announcements/issues/268 ### <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 7.0 application running on .NET 7.0.9 or earlier. If your application uses the following package versions, ensure you update to the latest version of ....

GHSA-vmch-3w2x-vhgq: .NET Denial of Service Vulnerability

# Microsoft Security Advisory CVE-2023-38180: .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 Core 2.1, .NET 6.0, and .NET 7.0. This advisory also provides guidance on what developers can do to update their applications to remove this vulnerability. A vulnerability exists in Kestrel where, on detecting a potentially malicious client, Kestrel will sometimes fail to disconnect it, resulting in denial of service. ## Announcement Announcement for this issue can be found at https://github.com/dotnet/announcements/issues/269 ### <a name="mitigation-factors"></a>Mitigation factors If your application is running behind a reverse proxy, or Web Application Firewall, which has its own mitigations against HTTP based attacks this issue may be mitigated by the proxy or WAF ## <a name="affected-software"></a>Affected software * Any .NET 7.0 applicat...

CVE-2023-36899

ASP.NET Elevation of Privilege Vulnerability

CVE-2023-35391

ASP.NET Core SignalR and Visual Studio Information Disclosure Vulnerability

CVE-2023-36899: ASP.NET Elevation of Privilege Vulnerability

**According to the CVSS metric, the attack complexity is high (AC:H). What does that mean for this vulnerability?** The target environment could be accidentally configured to allow the vulnerability.

CVE-2023-35391: ASP.NET Core SignalR and Visual Studio Information Disclosure Vulnerability

**What type of information could be disclosed by this vulnerability?** This vulnerability makes it possible to listen to any group or user with a specially crafted group/username. By exploiting this vulnerability, the attacker can now receive messages for group(s) that they are unauthorized to view.

CVE-2023-35391: ASP.NET Core SignalR and Visual Studio Information Disclosure Vulnerability

**What type of information could be disclosed by this vulnerability?** This vulnerability makes it possible to listen to any group or user with a specially crafted group/username. By exploiting this vulnerability, the attacker can now receive messages for group(s) that they are unauthorized to view.