{"id":"UBUNTU-CVE-2023-1018","details":"An out-of-bounds read vulnerability exists in TPM2.0's Module Library allowing a 2-byte read past the end of a TPM2.0 command in the CryptParameterDecryption routine. An attacker who can successfully exploit this vulnerability can read or access sensitive data stored in the TPM.","modified":"2026-02-04T02:44:13.070735Z","published":"2023-02-28T00:00:00Z","related":["USN-5933-1"],"upstream":["CVE-2023-1018"],"references":[{"type":"REPORT","url":"https://ubuntu.com/security/CVE-2023-1018"},{"type":"REPORT","url":"https://kb.cert.org/vuls/id/782720"},{"type":"REPORT","url":"https://trustedcomputinggroup.org/wp-content/uploads/TCGVRT0007-Advisory-FINAL.pdf"},{"type":"REPORT","url":"https://www.securityweek.com/security-defects-in-tpm-2-0-spec-raise-alarm-bells/"},{"type":"ADVISORY","url":"https://ubuntu.com/security/notices/USN-5933-1"},{"type":"REPORT","url":"https://www.cve.org/CVERecord?id=CVE-2023-1018"}],"affected":[{"package":{"name":"libtpms","ecosystem":"Ubuntu:22.04:LTS","purl":"pkg:deb/ubuntu/libtpms@0.9.3-0ubuntu1.22.04.1?arch=source&distro=jammy"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"0.9.3-0ubuntu1.22.04.1"}]}],"versions":["0.8.2-1ubuntu1","0.9.0-0ubuntu1","0.9.0-0ubuntu2","0.9.0-0ubuntu3","0.9.0-0ubuntu4","0.9.3-0ubuntu1"],"ecosystem_specific":{"availability":"No subscription required","binaries":[{"binary_version":"0.9.3-0ubuntu1.22.04.1","binary_name":"libtpms-dev"},{"binary_version":"0.9.3-0ubuntu1.22.04.1","binary_name":"libtpms0"}]},"database_specific":{"source":"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2023/UBUNTU-CVE-2023-1018.json"}}],"schema_version":"1.7.3","severity":[{"type":"CVSS_V3","score":"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N"},{"type":"CVSS_V3","score":"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N"},{"type":"Ubuntu","score":"medium"}]}