{"id":"USN-6370-1","summary":"modsecurity-apache vulnerabilities","details":"It was discovered that ModSecurity incorrectly handled certain nested JSON\nobjects. An attacker could possibly use this issue to cause a denial\nof service. This issue only affected Ubuntu 16.04 LTS, Ubuntu 18.04 LTS\nand Ubuntu 20.04 LTS. (CVE-2021-42717)\n\nIt was discovered that ModSecurity incorrectly handled certain HTTP\nmultipart requests. A remote attacker could possibly use this issue\nto bypass ModSecurity restrictions. (CVE-2022-48279)\n\nIt was discovered that ModSecurity incorrectly handled certain file\nuploads. A remote attacker could possibly use this issue to cause a\nbuffer overflow and a firewall failure. This issue only affected\nUbuntu 16.04 LTS, Ubuntu 18.04 LTS, Ubuntu 20.04 LTS and Ubuntu 22.04 LTS.\n(CVE-2023-24021)\n","modified":"2026-02-10T04:43:19Z","published":"2023-09-14T14:06:25Z","related":["UBUNTU-CVE-2021-42717","UBUNTU-CVE-2022-48279","UBUNTU-CVE-2023-24021"],"upstream":["CVE-2021-42717","CVE-2022-48279","CVE-2023-24021","UBUNTU-CVE-2021-42717","UBUNTU-CVE-2022-48279","UBUNTU-CVE-2023-24021"],"references":[{"type":"ADVISORY","url":"https://ubuntu.com/security/notices/USN-6370-1"},{"type":"REPORT","url":"https://ubuntu.com/security/CVE-2021-42717"},{"type":"REPORT","url":"https://ubuntu.com/security/CVE-2022-48279"},{"type":"REPORT","url":"https://ubuntu.com/security/CVE-2023-24021"}],"affected":[{"package":{"name":"modsecurity-apache","ecosystem":"Ubuntu:Pro:14.04:LTS","purl":"pkg:deb/ubuntu/modsecurity-apache@2.7.7-2ubuntu0.1~esm1?arch=source&distro=trusty/esm"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"2.7.7-2ubuntu0.1~esm1"}]}],"versions":["2.7.4-1","2.7.5-1","2.7.7-1","2.7.7-1ubuntu1","2.7.7-2"],"ecosystem_specific":{"availability":"Available with Ubuntu Pro (Infra-only): https://ubuntu.com/pro","binaries":[{"binary_version":"2.7.7-2ubuntu0.1~esm1","binary_name":"libapache2-mod-security2"},{"binary_version":"2.7.7-2ubuntu0.1~esm1","binary_name":"libapache2-modsecurity"}]},"database_specific":{"cves_map":{"cves":[{"id":"CVE-2022-48279","severity":[{"type":"CVSS_V3","score":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N"},{"type":"CVSS_V3","score":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N"},{"type":"Ubuntu","score":"medium"}]}],"ecosystem":"Ubuntu:Pro:14.04:LTS"},"source":"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/usn/USN-6370-1.json"}},{"package":{"name":"modsecurity-apache","ecosystem":"Ubuntu:Pro:16.04:LTS","purl":"pkg:deb/ubuntu/modsecurity-apache@2.9.0-1ubuntu0.1~esm1?arch=source&distro=esm-apps/xenial"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"2.9.0-1ubuntu0.1~esm1"}]}],"versions":["2.9.0-1"],"ecosystem_specific":{"availability":"Available with Ubuntu Pro: https://ubuntu.com/pro","binaries":[{"binary_version":"2.9.0-1ubuntu0.1~esm1","binary_name":"libapache2-mod-security2"},{"binary_version":"2.9.0-1ubuntu0.1~esm1","binary_name":"libapache2-modsecurity"}]},"database_specific":{"cves_map":{"cves":[{"id":"CVE-2021-42717","severity":[{"type":"CVSS_V3","score":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H"},{"type":"Ubuntu","score":"medium"}]},{"id":"CVE-2022-48279","severity":[{"type":"CVSS_V3","score":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N"},{"type":"CVSS_V3","score":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N"},{"type":"Ubuntu","score":"medium"}]},{"id":"CVE-2023-24021","severity":[{"type":"CVSS_V3","score":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N"},{"type":"CVSS_V3","score":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N"},{"type":"Ubuntu","score":"medium"}]}],"ecosystem":"Ubuntu:Pro:16.04:LTS"},"source":"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/usn/USN-6370-1.json"}},{"package":{"name":"modsecurity-apache","ecosystem":"Ubuntu:Pro:18.04:LTS","purl":"pkg:deb/ubuntu/modsecurity-apache@2.9.2-1ubuntu0.1~esm1?arch=source&distro=esm-apps/bionic"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"2.9.2-1ubuntu0.1~esm1"}]}],"versions":["2.9.1-3","2.9.2-1"],"ecosystem_specific":{"availability":"Available with Ubuntu Pro: https://ubuntu.com/pro","binaries":[{"binary_version":"2.9.2-1ubuntu0.1~esm1","binary_name":"libapache2-mod-security2"}]},"database_specific":{"cves_map":{"cves":[{"id":"CVE-2021-42717","severity":[{"type":"CVSS_V3","score":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H"},{"type":"Ubuntu","score":"medium"}]},{"id":"CVE-2022-48279","severity":[{"type":"CVSS_V3","score":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N"},{"type":"CVSS_V3","score":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N"},{"type":"Ubuntu","score":"medium"}]},{"id":"CVE-2023-24021","severity":[{"type":"CVSS_V3","score":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N"},{"type":"CVSS_V3","score":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N"},{"type":"Ubuntu","score":"medium"}]}],"ecosystem":"Ubuntu:Pro:18.04:LTS"},"source":"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/usn/USN-6370-1.json"}},{"package":{"name":"modsecurity-apache","ecosystem":"Ubuntu:20.04:LTS","purl":"pkg:deb/ubuntu/modsecurity-apache@2.9.3-1ubuntu0.1?arch=source&distro=focal"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"2.9.3-1ubuntu0.1"}]}],"versions":["2.9.3-1"],"ecosystem_specific":{"availability":"No subscription required","binaries":[{"binary_version":"2.9.3-1ubuntu0.1","binary_name":"libapache2-mod-security2"}]},"database_specific":{"cves_map":{"cves":[{"id":"CVE-2021-42717","severity":[{"type":"CVSS_V3","score":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H"},{"type":"Ubuntu","score":"medium"}]},{"id":"CVE-2022-48279","severity":[{"type":"CVSS_V3","score":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N"},{"type":"CVSS_V3","score":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N"},{"type":"Ubuntu","score":"medium"}]},{"id":"CVE-2023-24021","severity":[{"type":"CVSS_V3","score":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N"},{"type":"CVSS_V3","score":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N"},{"type":"Ubuntu","score":"medium"}]}],"ecosystem":"Ubuntu:20.04:LTS"},"source":"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/usn/USN-6370-1.json"}},{"package":{"name":"modsecurity-apache","ecosystem":"Ubuntu:Pro:22.04:LTS","purl":"pkg:deb/ubuntu/modsecurity-apache@2.9.5-1ubuntu0.1~esm1?arch=source&distro=esm-apps/jammy"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"2.9.5-1ubuntu0.1~esm1"}]}],"versions":["2.9.3-3","2.9.5-1"],"ecosystem_specific":{"availability":"Available with Ubuntu Pro: https://ubuntu.com/pro","binaries":[{"binary_version":"2.9.5-1ubuntu0.1~esm1","binary_name":"libapache2-mod-security2"}]},"database_specific":{"cves_map":{"cves":[{"id":"CVE-2022-48279","severity":[{"type":"CVSS_V3","score":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N"},{"type":"CVSS_V3","score":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N"},{"type":"Ubuntu","score":"medium"}]},{"id":"CVE-2023-24021","severity":[{"type":"CVSS_V3","score":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N"},{"type":"CVSS_V3","score":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N"},{"type":"Ubuntu","score":"medium"}]}],"ecosystem":"Ubuntu:Pro:22.04:LTS"},"source":"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/usn/USN-6370-1.json"}}],"schema_version":"1.7.3"}