{"id":"USN-5910-1","summary":"ruby-rack vulnerabilities","details":"It was discovered that Rack did not properly structure regular expressions\nin some of its parsing components, which could result in uncontrolled\nresource consumption if an application using Rack received specially\ncrafted input. A remote attacker could possibly use this issue to cause a\ndenial of service. (CVE-2022-44570, CVE-2022-44571)\n\nIt was discovered that Rack did not properly structure regular expressions\nin its multipart parsing component, which could result in uncontrolled\nresource consumption if an application using Rack to parse multipart posts\nreceived specially crafted input. A remote attacker could possibly use\nthis issue to cause a denial of service. This issue was only fixed in\nUbuntu 20.04 ESM and Ubuntu 22.04 ESM. (CVE-2022-44572)\n","modified":"2026-02-10T04:42:58Z","published":"2023-03-02T17:43:56Z","related":["UBUNTU-CVE-2022-44570","UBUNTU-CVE-2022-44571","UBUNTU-CVE-2022-44572"],"upstream":["CVE-2022-44570","CVE-2022-44571","CVE-2022-44572","UBUNTU-CVE-2022-44570","UBUNTU-CVE-2022-44571","UBUNTU-CVE-2022-44572"],"references":[{"type":"ADVISORY","url":"https://ubuntu.com/security/notices/USN-5910-1"},{"type":"REPORT","url":"https://ubuntu.com/security/CVE-2022-44570"},{"type":"REPORT","url":"https://ubuntu.com/security/CVE-2022-44571"},{"type":"REPORT","url":"https://ubuntu.com/security/CVE-2022-44572"}],"affected":[{"package":{"name":"ruby-rack","ecosystem":"Ubuntu:Pro:14.04:LTS","purl":"pkg:deb/ubuntu/ruby-rack@1.5.2-3+deb8u3ubuntu1~esm6?arch=source&distro=trusty/esm"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"1.5.2-3+deb8u3ubuntu1~esm6"}]}],"versions":["1.5.2-1","1.5.2-1ubuntu0.1~esm1","1.5.2-3+deb8u3ubuntu1~esm2","1.5.2-3+deb8u3ubuntu1~esm3","1.5.2-3+deb8u3ubuntu1~esm4"],"ecosystem_specific":{"binaries":[{"binary_version":"1.5.2-3+deb8u3ubuntu1~esm6","binary_name":"librack-ruby"},{"binary_version":"1.5.2-3+deb8u3ubuntu1~esm6","binary_name":"librack-ruby1.8"},{"binary_version":"1.5.2-3+deb8u3ubuntu1~esm6","binary_name":"librack-ruby1.9.1"},{"binary_version":"1.5.2-3+deb8u3ubuntu1~esm6","binary_name":"ruby-rack"}],"availability":"Available with Ubuntu Pro (Infra-only): https://ubuntu.com/pro"},"database_specific":{"source":"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/usn/USN-5910-1.json","cves_map":{"cves":[{"id":"CVE-2022-44570","severity":[{"score":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H","type":"CVSS_V3"},{"score":"medium","type":"Ubuntu"}]},{"id":"CVE-2022-44571","severity":[{"score":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H","type":"CVSS_V3"},{"score":"medium","type":"Ubuntu"}]}],"ecosystem":"Ubuntu:Pro:14.04:LTS"}}},{"package":{"name":"ruby-rack","ecosystem":"Ubuntu:Pro:16.04:LTS","purl":"pkg:deb/ubuntu/ruby-rack@1.6.4-3ubuntu0.2+esm4?arch=source&distro=esm-apps/xenial"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"1.6.4-3ubuntu0.2+esm4"}]}],"versions":["1.5.2-4","1.6.4-2","1.6.4-3","1.6.4-3ubuntu0.1","1.6.4-3ubuntu0.2","1.6.4-3ubuntu0.2+esm1","1.6.4-3ubuntu0.2+esm2"],"ecosystem_specific":{"binaries":[{"binary_version":"1.6.4-3ubuntu0.2+esm4","binary_name":"ruby-rack"}],"availability":"Available with Ubuntu Pro: https://ubuntu.com/pro"},"database_specific":{"source":"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/usn/USN-5910-1.json","cves_map":{"cves":[{"id":"CVE-2022-44570","severity":[{"score":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H","type":"CVSS_V3"},{"score":"medium","type":"Ubuntu"}]},{"id":"CVE-2022-44571","severity":[{"score":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H","type":"CVSS_V3"},{"score":"medium","type":"Ubuntu"}]}],"ecosystem":"Ubuntu:Pro:16.04:LTS"}}},{"package":{"name":"ruby-rack","ecosystem":"Ubuntu:Pro:18.04:LTS","purl":"pkg:deb/ubuntu/ruby-rack@1.6.4-4ubuntu0.2+esm4?arch=source&distro=esm-apps/bionic"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"1.6.4-4ubuntu0.2+esm4"}]}],"versions":["1.6.4-4","1.6.4-4ubuntu0.1","1.6.4-4ubuntu0.2","1.6.4-4ubuntu0.2+esm1","1.6.4-4ubuntu0.2+esm2"],"ecosystem_specific":{"binaries":[{"binary_version":"1.6.4-4ubuntu0.2+esm4","binary_name":"ruby-rack"}],"availability":"Available with Ubuntu Pro: https://ubuntu.com/pro"},"database_specific":{"source":"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/usn/USN-5910-1.json","cves_map":{"cves":[{"id":"CVE-2022-44570","severity":[{"score":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H","type":"CVSS_V3"},{"score":"medium","type":"Ubuntu"}]},{"id":"CVE-2022-44571","severity":[{"score":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H","type":"CVSS_V3"},{"score":"medium","type":"Ubuntu"}]}],"ecosystem":"Ubuntu:Pro:18.04:LTS"}}},{"package":{"name":"ruby-rack","ecosystem":"Ubuntu:Pro:20.04:LTS","purl":"pkg:deb/ubuntu/ruby-rack@2.0.7-2ubuntu0.1+esm3?arch=source&distro=esm-apps/focal"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"2.0.7-2ubuntu0.1+esm3"}]}],"versions":["2.0.6-3","2.0.7-2","2.0.7-2ubuntu0.1","2.0.7-2ubuntu0.1+esm1","2.0.7-2ubuntu0.1+esm2"],"ecosystem_specific":{"binaries":[{"binary_version":"2.0.7-2ubuntu0.1+esm3","binary_name":"ruby-rack"}],"availability":"Available with Ubuntu Pro: https://ubuntu.com/pro"},"database_specific":{"source":"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/usn/USN-5910-1.json","cves_map":{"cves":[{"id":"CVE-2022-44570","severity":[{"score":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H","type":"CVSS_V3"},{"score":"medium","type":"Ubuntu"}]},{"id":"CVE-2022-44571","severity":[{"score":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H","type":"CVSS_V3"},{"score":"medium","type":"Ubuntu"}]},{"id":"CVE-2022-44572","severity":[{"score":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H","type":"CVSS_V3"},{"score":"medium","type":"Ubuntu"}]}],"ecosystem":"Ubuntu:Pro:20.04:LTS"}}},{"package":{"name":"ruby-rack","ecosystem":"Ubuntu:Pro:22.04:LTS","purl":"pkg:deb/ubuntu/ruby-rack@2.1.4-5ubuntu1+esm3?arch=source&distro=esm-apps/jammy"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"2.1.4-5ubuntu1+esm3"}]}],"versions":["2.1.4-3","2.1.4-4","2.1.4-5","2.1.4-5ubuntu1","2.1.4-5ubuntu1+esm2"],"ecosystem_specific":{"binaries":[{"binary_version":"2.1.4-5ubuntu1+esm3","binary_name":"ruby-rack"}],"availability":"Available with Ubuntu Pro: https://ubuntu.com/pro"},"database_specific":{"source":"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/usn/USN-5910-1.json","cves_map":{"cves":[{"id":"CVE-2022-44570","severity":[{"score":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H","type":"CVSS_V3"},{"score":"medium","type":"Ubuntu"}]},{"id":"CVE-2022-44571","severity":[{"score":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H","type":"CVSS_V3"},{"score":"medium","type":"Ubuntu"}]},{"id":"CVE-2022-44572","severity":[{"score":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H","type":"CVSS_V3"},{"score":"medium","type":"Ubuntu"}]}],"ecosystem":"Ubuntu:Pro:22.04:LTS"}}}],"schema_version":"1.7.3"}