{"id":"USN-5260-1","summary":"samba vulnerabilities","details":"Orange Tsai discovered that the Samba vfs_fruit module incorrectly handled\ncertain memory operations. A remote attacker could use this issue to cause\nSamba to crash, resulting in a denial of service, or possibly execute\narbitrary code as root. (CVE-2021-44142)\n\nMichael Hanselmann discovered that Samba incorrectly created directories.\nIn certain configurations, a remote attacker could possibly create a\ndirectory on the server outside of the shared directory. (CVE-2021-43566)\n\nKees van Vloten discovered that Samba incorrectly handled certain aliased\nSPN checks. A remote attacker could possibly use this issue to impersonate\nservices. (CVE-2022-0336)\n","modified":"2026-02-10T04:42:26Z","published":"2022-02-01T11:52:14Z","related":["UBUNTU-CVE-2021-43566","UBUNTU-CVE-2021-44142","UBUNTU-CVE-2022-0336"],"upstream":["CVE-2021-43566","CVE-2021-44142","CVE-2022-0336","UBUNTU-CVE-2021-43566","UBUNTU-CVE-2021-44142","UBUNTU-CVE-2022-0336"],"references":[{"type":"ADVISORY","url":"https://ubuntu.com/security/notices/USN-5260-1"},{"type":"REPORT","url":"https://ubuntu.com/security/CVE-2021-43566"},{"type":"REPORT","url":"https://ubuntu.com/security/CVE-2021-44142"},{"type":"REPORT","url":"https://ubuntu.com/security/CVE-2022-0336"}],"affected":[{"package":{"name":"samba","ecosystem":"Ubuntu:20.04:LTS","purl":"pkg:deb/ubuntu/samba@2:4.13.17~dfsg-0ubuntu0.21.04.1?arch=source&distro=focal"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"2:4.13.17~dfsg-0ubuntu0.21.04.1"}]}],"versions":["2:4.10.7+dfsg-0ubuntu2","2:4.10.7+dfsg-0ubuntu3","2:4.11.1+dfsg-3ubuntu1","2:4.11.1+dfsg-3ubuntu2","2:4.11.1+dfsg-3ubuntu4","2:4.11.5+dfsg-1ubuntu1","2:4.11.5+dfsg-1ubuntu2","2:4.11.6+dfsg-0ubuntu1","2:4.11.6+dfsg-0ubuntu1.1","2:4.11.6+dfsg-0ubuntu1.2","2:4.11.6+dfsg-0ubuntu1.3","2:4.11.6+dfsg-0ubuntu1.4","2:4.11.6+dfsg-0ubuntu1.5","2:4.11.6+dfsg-0ubuntu1.6","2:4.11.6+dfsg-0ubuntu1.8","2:4.11.6+dfsg-0ubuntu1.9","2:4.11.6+dfsg-0ubuntu1.10","2:4.13.14+dfsg-0ubuntu0.20.04.1","2:4.13.14+dfsg-0ubuntu0.20.04.2","2:4.13.14+dfsg-0ubuntu0.20.04.3","2:4.13.14+dfsg-0ubuntu0.20.04.4"],"ecosystem_specific":{"availability":"No subscription required","binaries":[{"binary_version":"2:4.13.17~dfsg-0ubuntu0.21.04.1","binary_name":"ctdb"},{"binary_version":"2:4.13.17~dfsg-0ubuntu0.21.04.1","binary_name":"libnss-winbind"},{"binary_version":"2:4.13.17~dfsg-0ubuntu0.21.04.1","binary_name":"libpam-winbind"},{"binary_version":"2:4.13.17~dfsg-0ubuntu0.21.04.1","binary_name":"libsmbclient"},{"binary_version":"2:4.13.17~dfsg-0ubuntu0.21.04.1","binary_name":"libsmbclient-dev"},{"binary_version":"2:4.13.17~dfsg-0ubuntu0.21.04.1","binary_name":"libwbclient-dev"},{"binary_version":"2:4.13.17~dfsg-0ubuntu0.21.04.1","binary_name":"libwbclient0"},{"binary_version":"2:4.13.17~dfsg-0ubuntu0.21.04.1","binary_name":"python3-samba"},{"binary_version":"2:4.13.17~dfsg-0ubuntu0.21.04.1","binary_name":"registry-tools"},{"binary_version":"2:4.13.17~dfsg-0ubuntu0.21.04.1","binary_name":"samba"},{"binary_version":"2:4.13.17~dfsg-0ubuntu0.21.04.1","binary_name":"samba-common"},{"binary_version":"2:4.13.17~dfsg-0ubuntu0.21.04.1","binary_name":"samba-common-bin"},{"binary_version":"2:4.13.17~dfsg-0ubuntu0.21.04.1","binary_name":"samba-dev"},{"binary_version":"2:4.13.17~dfsg-0ubuntu0.21.04.1","binary_name":"samba-dsdb-modules"},{"binary_version":"2:4.13.17~dfsg-0ubuntu0.21.04.1","binary_name":"samba-libs"},{"binary_version":"2:4.13.17~dfsg-0ubuntu0.21.04.1","binary_name":"samba-testsuite"},{"binary_version":"2:4.13.17~dfsg-0ubuntu0.21.04.1","binary_name":"samba-vfs-modules"},{"binary_version":"2:4.13.17~dfsg-0ubuntu0.21.04.1","binary_name":"smbclient"},{"binary_version":"2:4.13.17~dfsg-0ubuntu0.21.04.1","binary_name":"winbind"}]},"database_specific":{"cves_map":{"ecosystem":"Ubuntu:20.04:LTS","cves":[{"severity":[{"score":"CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:N/I:L/A:N","type":"CVSS_V3"},{"score":"low","type":"Ubuntu"}],"id":"CVE-2021-43566"},{"severity":[{"score":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H","type":"CVSS_V3"},{"score":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H","type":"CVSS_V3"},{"score":"high","type":"Ubuntu"}],"id":"CVE-2021-44142"},{"severity":[{"score":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H","type":"CVSS_V3"},{"score":"medium","type":"Ubuntu"}],"id":"CVE-2022-0336"}]},"source":"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/usn/USN-5260-1.json"}}],"schema_version":"1.7.3"}