{"id":"USN-6278-2","summary":"dotnet6, dotnet7 vulnerabilities","details":"USN-6278-1 fixed several vulnerabilities in .NET. This update\nprovides the corresponding updates for Ubuntu 22.04 LTS.\n\nOriginal advisory details:\n\n It was discovered that .NET did properly handle the execution of\n certain commands. An attacker could possibly use this issue to\n achieve remote code execution. (CVE-2023-35390)\n \n Benoit Foucher discovered that .NET did not properly implement the\n QUIC stream limit in HTTP/3. An attacker could possibly use this\n issue to cause a denial of service. (CVE-2023-38178)\n \n It was discovered that .NET did not properly handle the disconnection\n of potentially malicious clients interfacing with a Kestrel server. An\n attacker could possibly use this issue to cause a denial of service.\n (CVE-2023-38180)\n","modified":"2026-02-10T04:43:14Z","published":"2023-08-10T19:34:11Z","related":["UBUNTU-CVE-2023-35390","UBUNTU-CVE-2023-38178","UBUNTU-CVE-2023-38180"],"upstream":["CVE-2023-35390","CVE-2023-38178","CVE-2023-38180","UBUNTU-CVE-2023-35390","UBUNTU-CVE-2023-38178","UBUNTU-CVE-2023-38180"],"references":[{"type":"ADVISORY","url":"https://ubuntu.com/security/notices/USN-6278-2"},{"type":"REPORT","url":"https://ubuntu.com/security/CVE-2023-35390"},{"type":"REPORT","url":"https://ubuntu.com/security/CVE-2023-38178"},{"type":"REPORT","url":"https://ubuntu.com/security/CVE-2023-38180"}],"affected":[{"package":{"name":"dotnet6","ecosystem":"Ubuntu:22.04:LTS","purl":"pkg:deb/ubuntu/dotnet6@6.0.121-0ubuntu1~22.04.1?arch=source&distro=jammy"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"6.0.121-0ubuntu1~22.04.1"}]}],"versions":["6.0.108-0ubuntu1~22.04.1","6.0.109-0ubuntu1~22.04.1","6.0.110-0ubuntu1~22.04.1","6.0.111-0ubuntu1~22.04.1","6.0.113-0ubuntu1~22.04.1","6.0.116-0ubuntu1~22.04.1","6.0.118-0ubuntu1~22.04.1","6.0.119-0ubuntu1~22.04.1","6.0.120-0ubuntu1~22.04.1"],"ecosystem_specific":{"availability":"No subscription required","binaries":[{"binary_name":"aspnetcore-runtime-6.0","binary_version":"6.0.121-0ubuntu1~22.04.1"},{"binary_version":"6.0.121-0ubuntu1~22.04.1","binary_name":"aspnetcore-targeting-pack-6.0"},{"binary_name":"dotnet-apphost-pack-6.0","binary_version":"6.0.121-0ubuntu1~22.04.1"},{"binary_name":"dotnet-host","binary_version":"6.0.121-0ubuntu1~22.04.1"},{"binary_name":"dotnet-hostfxr-6.0","binary_version":"6.0.121-0ubuntu1~22.04.1"},{"binary_name":"dotnet-runtime-6.0","binary_version":"6.0.121-0ubuntu1~22.04.1"},{"binary_name":"dotnet-sdk-6.0","binary_version":"6.0.121-0ubuntu1~22.04.1"},{"binary_name":"dotnet-sdk-6.0-source-built-artifacts","binary_version":"6.0.121-0ubuntu1~22.04.1"},{"binary_name":"dotnet-targeting-pack-6.0","binary_version":"6.0.121-0ubuntu1~22.04.1"},{"binary_version":"6.0.121-0ubuntu1~22.04.1","binary_name":"dotnet-templates-6.0"},{"binary_name":"dotnet6","binary_version":"6.0.121-0ubuntu1~22.04.1"},{"binary_name":"netstandard-targeting-pack-2.1","binary_version":"6.0.121-0ubuntu1~22.04.1"}]},"database_specific":{"cves_map":{"cves":[{"id":"CVE-2023-35390","severity":[{"score":"CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H","type":"CVSS_V3"},{"score":"CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H","type":"CVSS_V3"},{"score":"medium","type":"Ubuntu"}]},{"severity":[{"type":"CVSS_V3","score":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H"},{"score":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H","type":"CVSS_V3"},{"score":"medium","type":"Ubuntu"}],"id":"CVE-2023-38178"},{"id":"CVE-2023-38180","severity":[{"score":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H","type":"CVSS_V3"},{"score":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H","type":"CVSS_V3"},{"score":"medium","type":"Ubuntu"}]}],"ecosystem":"Ubuntu:22.04:LTS"},"source":"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/usn/USN-6278-2.json"}},{"package":{"name":"dotnet7","ecosystem":"Ubuntu:22.04:LTS","purl":"pkg:deb/ubuntu/dotnet7@7.0.110-0ubuntu1~22.04.1?arch=source&distro=jammy"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"7.0.110-0ubuntu1~22.04.1"}]}],"versions":["7.0.105-0ubuntu1~22.04.1","7.0.107-0ubuntu1~22.04.1","7.0.108-0ubuntu1~22.04.1","7.0.109-0ubuntu1~22.04.1"],"ecosystem_specific":{"availability":"No subscription required","binaries":[{"binary_name":"aspnetcore-runtime-7.0","binary_version":"7.0.110-0ubuntu1~22.04.1"},{"binary_version":"7.0.110-0ubuntu1~22.04.1","binary_name":"aspnetcore-targeting-pack-7.0"},{"binary_name":"dotnet-apphost-pack-7.0","binary_version":"7.0.110-0ubuntu1~22.04.1"},{"binary_name":"dotnet-host-7.0","binary_version":"7.0.110-0ubuntu1~22.04.1"},{"binary_name":"dotnet-hostfxr-7.0","binary_version":"7.0.110-0ubuntu1~22.04.1"},{"binary_name":"dotnet-runtime-7.0","binary_version":"7.0.110-0ubuntu1~22.04.1"},{"binary_name":"dotnet-sdk-7.0","binary_version":"7.0.110-0ubuntu1~22.04.1"},{"binary_name":"dotnet-sdk-7.0-source-built-artifacts","binary_version":"7.0.110-0ubuntu1~22.04.1"},{"binary_name":"dotnet-targeting-pack-7.0","binary_version":"7.0.110-0ubuntu1~22.04.1"},{"binary_version":"7.0.110-0ubuntu1~22.04.1","binary_name":"dotnet-templates-7.0"},{"binary_name":"dotnet7","binary_version":"7.0.110-0ubuntu1~22.04.1"},{"binary_name":"netstandard-targeting-pack-2.1-7.0","binary_version":"7.0.110-0ubuntu1~22.04.1"}]},"database_specific":{"cves_map":{"cves":[{"id":"CVE-2023-35390","severity":[{"score":"CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H","type":"CVSS_V3"},{"score":"CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H","type":"CVSS_V3"},{"score":"medium","type":"Ubuntu"}]},{"id":"CVE-2023-38178","severity":[{"score":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H","type":"CVSS_V3"},{"score":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H","type":"CVSS_V3"},{"score":"medium","type":"Ubuntu"}]},{"id":"CVE-2023-38180","severity":[{"score":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H","type":"CVSS_V3"},{"score":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H","type":"CVSS_V3"},{"score":"medium","type":"Ubuntu"}]}],"ecosystem":"Ubuntu:22.04:LTS"},"source":"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/usn/USN-6278-2.json"}}],"schema_version":"1.7.3"}