ArchLinux: 202103-16: dotnet-runtime: multiple issues
Summary
- CVE-2021-1721 (denial of service)
A security issue was found in dotnet-core before version 3.1.12. A
denial-of-service vulnerability exists when creating HTTPS web request
during X509 certificate chain building.
- CVE-2021-1723 (denial of service)
A flaw was found in dotnet-core before version 3.1.11. Running
callbacks outside of locks results in Krestel deadlock using HTTP2.
- CVE-2021-24112 (arbitrary code execution)
A remote code execution vulnerability exists in dotnet-core before
version 3.1.12 when parsing certain types of graphics files. This
vulnerability only exists on systems running on MacOS or Linux.
Resolution
Upgrade to 5.0.3.sdk103-2.
# pacman -Syu "dotnet-runtime>=5.0.3.sdk103-2"
The problems have been fixed upstream in version 5.0.3.sdk103.
References
https://bugs.archlinux.org/task/69317 https://msrc.microsoft.com/update-guide/vulnerability/CVE-2021-1721 https://github.com/dotnet/announcements/issues/175 https://msrc.microsoft.com/update-guide/en-US/vulnerability/CVE-2021-1723 https://github.com/dotnet/announcements/issues/170 https://github.com/dotnet/aspnetcore/commit/20ad9fa5dcde635c13c6c83806c4701d5b7ec21e https://msrc.microsoft.com/update-guide/vulnerability/CVE-2021-24112 https://github.com/dotnet/announcements/issues/176 https://security.archlinux.org/CVE-2021-1721 https://security.archlinux.org/CVE-2021-1723 https://security.archlinux.org/CVE-2021-24112
Workaround
None.