CVE-2018-0765 Denial of service vulnerability exists when .NET and .NET Core improperly process XML documents
Attackers can cause denial of service in .NET applications by sending malicious XML documents due to improper processing.
- Exploited in the wild
- Not known
- Login needed
- Not needed
- Attackable
- Over the internet
- Victim action needed
- Not needed
- Fix
- Available
What is CVE-2018-0765?
CVE-2018-0765 is a high-severity vulnerability in Microsoft .Net Framework, published on 9 May 2018. An attacker can exploit it over the internet without logging in, with no action from the victim.
Official description
A denial of service vulnerability exists when .NET and .NET Core improperly process XML documents, aka ".NET and .NET Core Denial of Service Vulnerability." This affects Microsoft .NET Framework 2.0, Microsoft .NET Framework 3.0, Microsoft .NET Framework 4.7.1, Microsoft .NET Framework 4.6/4.6.1/4.6.2/4.7/4.7.1, Microsoft .NET Framework 4.5.2, Microsoft .NET Framework 4.7/4.7.1, Microsoft .NET Framework 4.6, Microsoft .NET Framework 3.5, Microsoft .NET Framework 3.5.1, Microsoft .NET Framework 4.6/4.6.1/4.6.2, Microsoft .NET Framework 4.6.2/4.7/4.7.1, .NET Core 2.0, Microsoft .NET Framework 4.7.2.
Weakness: CWE-611
Which versions are affected by CVE-2018-0765?
2 open source packages ship an affected version, including System.Security.Cryptography.Xml. It affects 2 products.
| Package | Affected | Fixed in |
|---|---|---|
System.Security.Cryptography.Xml NuGet | All versions | 4.4.2 |
System.Security.Cryptography.Xml NuGet | All versions | 4.4.2 |
Products include Microsoft .Net Core, Microsoft .Net Framework.
How do I fix CVE-2018-0765?
Upgrade System.Security.Cryptography.Xml to 4.4.2 or later.
Is CVE-2018-0765 being exploited?
There is no known exploitation of CVE-2018-0765 in the wild and no public exploit code.
Other vulnerabilities in Microsoft .Net Framework
- CVE-2020-1147 Microsoft .NET Framework, SharePoint, and Visual Studio Remote Code Execution
- CVE-2020-0605 Code injection in .NET Core
- CVE-2020-0606 Remote code execution in Microsoft.WindowsDesktop.App.Ref
- CVE-2019-1301 High severity vulnerability that affects System.Management.Automation
- CVE-2019-0820 Regular Expression Denial of Service in System.Text.RegularExpressions
Sources
Also known as GHSA-35hc-x2cw-2j4v.