{"id":"UBUNTU-CVE-2019-11455","details":"A buffer over-read in Util_urlDecode in util.c in Tildeslash Monit before 5.25.3 allows a remote authenticated attacker to retrieve the contents of adjacent memory via manipulation of GET or POST parameters. The attacker can also cause a denial of service (application outage).","modified":"2026-02-04T03:38:31.663385Z","published":"2019-04-22T00:00:00Z","related":["USN-3971-1","USN-4860-1"],"upstream":["CVE-2019-11455"],"references":[{"type":"REPORT","url":"https://ubuntu.com/security/CVE-2019-11455"},{"type":"REPORT","url":"https://bitbucket.org/tildeslash/monit/commits/f12d0cdb42d4e74dffe1525d4062c815c48ac57a"},{"type":"REPORT","url":"https://github.com/dzflack/exploits/blob/master/macos/monit_dos.py"},{"type":"REPORT","url":"https://github.com/dzflack/exploits/blob/master/unix/monit_buffer_overread.py"},{"type":"ADVISORY","url":"https://ubuntu.com/security/notices/USN-3971-1"},{"type":"ADVISORY","url":"https://ubuntu.com/security/notices/USN-4860-1"},{"type":"REPORT","url":"https://www.cve.org/CVERecord?id=CVE-2019-11455"}],"affected":[{"package":{"name":"monit","ecosystem":"Ubuntu:Pro:14.04:LTS","purl":"pkg:deb/ubuntu/monit@1:5.6-2ubuntu0.1+esm2?arch=source&distro=trusty/esm"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"1:5.6-2ubuntu0.1+esm2"}]}],"versions":["1:5.5.1-1","1:5.6-1","1:5.6-2","1:5.6-2ubuntu0.1"],"ecosystem_specific":{"availability":"Available with Ubuntu Pro (Infra-only): https://ubuntu.com/pro","binaries":[{"binary_version":"1:5.6-2ubuntu0.1+esm2","binary_name":"monit"}]},"database_specific":{"source":"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2019/UBUNTU-CVE-2019-11455.json"}},{"package":{"name":"monit","ecosystem":"Ubuntu:Pro:16.04:LTS","purl":"pkg:deb/ubuntu/monit@1:5.16-2ubuntu0.2+esm1?arch=source&distro=esm-apps/xenial"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"1:5.16-2ubuntu0.2+esm1"}]}],"versions":["1:5.14-2","1:5.15-1","1:5.15-2","1:5.15-3","1:5.16-1","1:5.16-2","1:5.16-2ubuntu0.1","1:5.16-2ubuntu0.2"],"ecosystem_specific":{"availability":"Available with Ubuntu Pro: https://ubuntu.com/pro","binaries":[{"binary_version":"1:5.16-2ubuntu0.2+esm1","binary_name":"monit"}]},"database_specific":{"source":"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2019/UBUNTU-CVE-2019-11455.json"}},{"package":{"name":"monit","ecosystem":"Ubuntu:Pro:18.04:LTS","purl":"pkg:deb/ubuntu/monit@1:5.25.1-1ubuntu0.1~esm1?arch=source&distro=esm-apps/bionic"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"1:5.25.1-1ubuntu0.1~esm1"}]}],"versions":["1:5.23.0-2","1:5.23.0-4","1:5.25.1-1","1:5.25.1-1build1"],"ecosystem_specific":{"availability":"Available with Ubuntu Pro: https://ubuntu.com/pro","binaries":[{"binary_version":"1:5.25.1-1ubuntu0.1~esm1","binary_name":"monit"}]},"database_specific":{"source":"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2019/UBUNTU-CVE-2019-11455.json"}}],"schema_version":"1.7.3","severity":[{"type":"CVSS_V3","score":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:H"},{"type":"CVSS_V3","score":"CVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:H"},{"type":"Ubuntu","score":"medium"}]}