CVE-2020-7221

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{"affected": [{"affectedData": [{"product": "n/a", "vendor": "n/a", "versions": [{"status": "affected", "version": "n/a"}]}], "source": "cve@mitre.org"}], "configurations": [{"nodes": [{"cpeMatch": [{"criteria": "cpe:2.3:a:mariadb:mariadb:*:*:*:*:*:*:*:*", "matchCriteriaId": "58B7E318-FE05-4119-BA77-D315934F7E96", "versionEndIncluding": "10.4.11", "versionStartIncluding": "10.4.7", "vulnerable": true}], "negate": false, "operator": "OR"}]}], "cveTags": [], "descriptions": [{"lang": "en", "value": "mysql_install_db in MariaDB 10.4.7 through 10.4.11 allows privilege escalation from the mysql user account to root because chown and chmod are performed unsafely, as demonstrated by a symlink attack on a chmod 04755 of auth_pam_tool_dir/auth_pam_tool. NOTE: this does not affect the Oracle MySQL product, which implements mysql_install_db differently."}, {"lang": "es", "value": "mysql_install_db en MariaDB versiones 10.4.7 hasta 10.4.11, permite una escalada de privilegios de la cuenta de usuario mysql a root porque chown y chmod se realizan de forma no segura, como es demostrado por un ataque de tipo symlink en un chmod 04755 de auth_pam_tool_dir/auth_pam_tool. NOTA: esto no afecta el producto Oracle MySQL, que implementa mysql_install_db de manera diferente."}], "id": "CVE-2020-7221", "lastModified": "2026-06-17T03:24:32.340", "metrics": {"cvssMetricV2": [{"acInsufInfo": false, "baseSeverity": "HIGH", "cvssData": {"accessComplexity": "LOW", "accessVector": "LOCAL", "authentication": "NONE", "availabilityImpact": "COMPLETE", "baseScore": 7.2, "confidentialityImpact": "COMPLETE", "integrityImpact": "COMPLETE", "vectorString": "AV:L/AC:L/Au:N/C:C/I:C/A:C", "version": "2.0"}, "exploitabilityScore": 3.9, "impactScore": 10.0, "obtainAllPrivilege": false, "obtainOtherPrivilege": false, "obtainUserPrivilege": false, "source": "nvd@nist.gov", "type": "Primary", "userInteractionRequired": false}], "cvssMetricV31": [{"cvssData": {"attackComplexity": "LOW", "attackVector": "LOCAL", "availabilityImpact": "HIGH", "baseScore": 7.8, "baseSeverity": "HIGH", "confidentialityImpact": "HIGH", "integrityImpact": "HIGH", "privilegesRequired": "LOW", "scope": "UNCHANGED", "userInteraction": "NONE", "vectorString": "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H", "version": "3.1"}, "exploitabilityScore": 1.8, "impactScore": 5.9, "source": "nvd@nist.gov", "type": "Primary"}]}, "published": "2020-02-04T17:15:13.233", "references": [{"source": "cve@mitre.org", "tags": ["Exploit", "Issue Tracking", "Third Party Advisory"], "url": "https://bugzilla.suse.com/show_bug.cgi?id=1160868"}, {"source": "cve@mitre.org", "tags": ["Third Party Advisory"], "url": "https://github.com/MariaDB/server/commit/9d18b6246755472c8324bf3e20e234e08ac45618"}, {"source": "cve@mitre.org", "tags": ["Exploit", "Mailing List", "Third Party Advisory"], "url": "https://seclists.org/oss-sec/2020/q1/55"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "tags": ["Exploit", "Issue Tracking", "Third Party Advisory"], "url": "https://bugzilla.suse.com/show_bug.cgi?id=1160868"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "tags": ["Third Party Advisory"], "url": "https://github.com/MariaDB/server/commit/9d18b6246755472c8324bf3e20e234e08ac45618"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "tags": ["Exploit", "Mailing List", "Third Party Advisory"], "url": "https://seclists.org/oss-sec/2020/q1/55"}], "sourceIdentifier": "cve@mitre.org", "vulnStatus": "Modified", "weaknesses": [{"description": [{"lang": "en", "value": "CWE-59"}], "source": "nvd@nist.gov", "type": "Primary"}]}

{"bugzilla": {"description": "mariadb: mysql_install_db allows privilege escalation due to unsafe chown and chmod operations", "id": "1802786", "url": "https://bugzilla.redhat.com/show_bug.cgi?id=1802786"}, "csaw": false, "cvss3": {"cvss3_base_score": "7.8", "cvss3_scoring_vector": "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H", "status": "draft"}, "cwe": "CWE-267", "details": ["mysql_install_db in MariaDB 10.4.7 through 10.4.11 allows privilege escalation from the mysql user account to root because chown and chmod are performed unsafely, as demonstrated by a symlink attack on a chmod 04755 of auth_pam_tool_dir/auth_pam_tool. NOTE: this does not affect the Oracle MySQL product, which implements mysql_install_db differently.", "A privilege escalation vulnerability was found in MariaDB, in the way it handled a `setuid` program during the installation process. A local MySQL user could abuse this flaw to escalate their privileges on the system, by gaining root privileges once the bash script `mysql_install_db.sh` is executed."], "name": "CVE-2020-7221", "package_state": [{"cpe": "cpe:/o:redhat:enterprise_linux:7", "fix_state": "Not affected", "package_name": "mariadb", "product_name": "Red Hat Enterprise Linux 7"}, {"cpe": "cpe:/o:redhat:enterprise_linux:8", "fix_state": "Not affected", "package_name": "mariadb", "product_name": "Red Hat Enterprise Linux 8"}, {"cpe": "cpe:/a:redhat:openstack:13", "fix_state": "Not affected", "package_name": "mariadb", "product_name": "Red Hat OpenStack Platform 13 (Queens)"}, {"cpe": "cpe:/a:redhat:rhel_software_collections:3", "fix_state": "Not affected", "package_name": "rh-mariadb102", "product_name": "Red Hat Software Collections"}, {"cpe": "cpe:/a:redhat:rhel_software_collections:3", "fix_state": "Not affected", "package_name": "rh-mariadb103", "product_name": "Red Hat Software Collections"}], "public_date": "2020-02-04T00:00:00Z", "references": ["https://www.cve.org/CVERecord?id=CVE-2020-7221\nhttps://nvd.nist.gov/vuln/detail/CVE-2020-7221"], "statement": "This flaw did not affect the versions of MariaDB as shipped with Red Hat Enterprise Linux 7, and 8 as they did not include the vulnerable code, which was introduced in a newer version of the package. The same is true for the versions of MariaDB as shipped with Red Hat Software Collections 3.", "threat_severity": "Moderate"}

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