{"id":"USN-6425-3","summary":"samba vulnerabilities","details":"USN-6425-1 fixed vulnerabilities in Samba. This update provides the\ncorresponding updates for Ubuntu 23.10.\n\nOriginal advisory details:\n\n Sri Nagasubramanian discovered that the Samba acl_xattr VFS module\n incorrectly handled read-only files. When Samba is configured to ignore\n system ACLs, a remote attacker could possibly use this issue to truncate\n read-only files. (CVE-2023-4091)\n \n Andrew Bartlett discovered that Samba incorrectly handled the DirSync\n control. A remote attacker with an RODC DC account could possibly use this\n issue to obtain all domain secrets. (CVE-2023-4154)\n \n Andrew Bartlett discovered that Samba incorrectly handled the rpcecho\n development server. A remote attacker could possibly use this issue to\n cause Samba to stop responding, resulting in a denial of service.\n (CVE-2023-42669)\n \n Kirin van der Veer discovered that Samba incorrectly handled certain RPC\n service listeners. A remote attacker could possibly use this issue to cause\n Samba to start multiple incompatible RPC listeners, resulting in a denial\n of service. This issue only affected Ubuntu 22.04 LTS, and Ubuntu 23.04.\n (CVE-2023-42670)\n","modified":"2026-01-30T01:52:57.925767Z","published":"2023-10-17T11:34:39.060540Z","related":["CVE-2023-4091","CVE-2023-4154","CVE-2023-42669","CVE-2023-42670","UBUNTU-CVE-2023-4091","UBUNTU-CVE-2023-4154","UBUNTU-CVE-2023-42669","UBUNTU-CVE-2023-42670"],"references":[{"type":"ADVISORY","url":"https://ubuntu.com/security/notices/USN-6425-3"},{"type":"REPORT","url":"https://ubuntu.com/security/CVE-2023-4091"},{"type":"REPORT","url":"https://ubuntu.com/security/CVE-2023-4154"},{"type":"REPORT","url":"https://ubuntu.com/security/CVE-2023-42669"},{"type":"REPORT","url":"https://ubuntu.com/security/CVE-2023-42670"}],"affected":[{"package":{"name":"samba","ecosystem":"Ubuntu:23.10","purl":"pkg:deb/ubuntu/samba@2:4.18.6+dfsg-1ubuntu2.1?arch=source&distro=mantic"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"2:4.18.6+dfsg-1ubuntu2.1"}]}],"versions":["2:4.17.7+dfsg-1ubuntu1","2:4.18.3+dfsg-3ubuntu1","2:4.18.5+dfsg-1ubuntu1","2:4.18.5+dfsg-1ubuntu2","2:4.18.6+dfsg-1ubuntu1","2:4.18.6+dfsg-1ubuntu2"],"ecosystem_specific":{"binaries":[{"binary_name":"ctdb","binary_version":"2:4.18.6+dfsg-1ubuntu2.1"},{"binary_name":"ctdb-dbgsym","binary_version":"2:4.18.6+dfsg-1ubuntu2.1"},{"binary_name":"ldb-tools","binary_version":"2:2.7.2+samba4.18.6+dfsg-1ubuntu2.1"},{"binary_name":"ldb-tools-dbgsym","binary_version":"2:2.7.2+samba4.18.6+dfsg-1ubuntu2.1"},{"binary_name":"libldb-dev","binary_version":"2:2.7.2+samba4.18.6+dfsg-1ubuntu2.1"},{"binary_name":"libldb2","binary_version":"2:2.7.2+samba4.18.6+dfsg-1ubuntu2.1"},{"binary_name":"libldb2-dbgsym","binary_version":"2:2.7.2+samba4.18.6+dfsg-1ubuntu2.1"},{"binary_name":"libnss-winbind","binary_version":"2:4.18.6+dfsg-1ubuntu2.1"},{"binary_name":"libnss-winbind-dbgsym","binary_version":"2:4.18.6+dfsg-1ubuntu2.1"},{"binary_name":"libpam-winbind","binary_version":"2:4.18.6+dfsg-1ubuntu2.1"},{"binary_name":"libpam-winbind-dbgsym","binary_version":"2:4.18.6+dfsg-1ubuntu2.1"},{"binary_name":"libsmbclient","binary_version":"2:4.18.6+dfsg-1ubuntu2.1"},{"binary_name":"libsmbclient-dbgsym","binary_version":"2:4.18.6+dfsg-1ubuntu2.1"},{"binary_name":"libsmbclient-dev","binary_version":"2:4.18.6+dfsg-1ubuntu2.1"},{"binary_name":"libwbclient-dev","binary_version":"2:4.18.6+dfsg-1ubuntu2.1"},{"binary_name":"libwbclient0","binary_version":"2:4.18.6+dfsg-1ubuntu2.1"},{"binary_name":"libwbclient0-dbgsym","binary_version":"2:4.18.6+dfsg-1ubuntu2.1"},{"binary_name":"python3-ldb","binary_version":"2:2.7.2+samba4.18.6+dfsg-1ubuntu2.1"},{"binary_name":"python3-ldb-dbgsym","binary_version":"2:2.7.2+samba4.18.6+dfsg-1ubuntu2.1"},{"binary_name":"python3-ldb-dev","binary_version":"2:2.7.2+samba4.18.6+dfsg-1ubuntu2.1"},{"binary_name":"python3-samba","binary_version":"2:4.18.6+dfsg-1ubuntu2.1"},{"binary_name":"python3-samba-dbgsym","binary_version":"2:4.18.6+dfsg-1ubuntu2.1"},{"binary_name":"registry-tools","binary_version":"2:4.18.6+dfsg-1ubuntu2.1"},{"binary_name":"registry-tools-dbgsym","binary_version":"2:4.18.6+dfsg-1ubuntu2.1"},{"binary_name":"samba","binary_version":"2:4.18.6+dfsg-1ubuntu2.1"},{"binary_name":"samba-ad-dc","binary_version":"2:4.18.6+dfsg-1ubuntu2.1"},{"binary_name":"samba-ad-provision","binary_version":"2:4.18.6+dfsg-1ubuntu2.1"},{"binary_name":"samba-common","binary_version":"2:4.18.6+dfsg-1ubuntu2.1"},{"binary_name":"samba-common-bin","binary_version":"2:4.18.6+dfsg-1ubuntu2.1"},{"binary_name":"samba-common-bin-dbgsym","binary_version":"2:4.18.6+dfsg-1ubuntu2.1"},{"binary_name":"samba-dbgsym","binary_version":"2:4.18.6+dfsg-1ubuntu2.1"},{"binary_name":"samba-dev","binary_version":"2:4.18.6+dfsg-1ubuntu2.1"},{"binary_name":"samba-dsdb-modules","binary_version":"2:4.18.6+dfsg-1ubuntu2.1"},{"binary_name":"samba-dsdb-modules-dbgsym","binary_version":"2:4.18.6+dfsg-1ubuntu2.1"},{"binary_name":"samba-libs","binary_version":"2:4.18.6+dfsg-1ubuntu2.1"},{"binary_name":"samba-libs-dbgsym","binary_version":"2:4.18.6+dfsg-1ubuntu2.1"},{"binary_name":"samba-testsuite","binary_version":"2:4.18.6+dfsg-1ubuntu2.1"},{"binary_name":"samba-testsuite-dbgsym","binary_version":"2:4.18.6+dfsg-1ubuntu2.1"},{"binary_name":"samba-vfs-modules","binary_version":"2:4.18.6+dfsg-1ubuntu2.1"},{"binary_name":"samba-vfs-modules-dbgsym","binary_version":"2:4.18.6+dfsg-1ubuntu2.1"},{"binary_name":"smbclient","binary_version":"2:4.18.6+dfsg-1ubuntu2.1"},{"binary_name":"smbclient-dbgsym","binary_version":"2:4.18.6+dfsg-1ubuntu2.1"},{"binary_name":"winbind","binary_version":"2:4.18.6+dfsg-1ubuntu2.1"},{"binary_name":"winbind-dbgsym","binary_version":"2:4.18.6+dfsg-1ubuntu2.1"}],"availability":"No subscription required"},"database_specific":{"source":"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/usn/USN-6425-3.json"}}],"schema_version":"1.7.3"}