USN-6217-1: .NET vulnerability

11 July 2023

The maximum failed attempts security feature for .NET could be bypassed.

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Releases

Packages

  • dotnet6 - dotNET CLI tools and runtime
  • dotnet7 - dotNET CLI tools and runtime

Details

McKee-Harris, Matt Cotterell, and Jack Moran discovered that .NET did
not properly update account lockout maximum failed attempts. An
attacker could possibly use this issue to bypass the security feature
and attempt to guess more passwords for an account.

Reduce your security exposure

Ubuntu Pro provides ten-year security coverage to 25,000+ packages in Main and Universe repositories, and it is free for up to five machines.

Learn more about Ubuntu Pro

Update instructions

The problem can be corrected by updating your system to the following package versions:

Ubuntu 23.04
Ubuntu 22.10
Ubuntu 22.04

In general, a standard system update will make all the necessary changes.

References

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Further reading