{"id":"UBUNTU-CVE-2020-8859","details":"This vulnerability allows remote attackers to create a denial-of-service condition on affected installations of ELOG Electronic Logbook 3.1.4-283534d. Authentication is not required to exploit this vulnerability. The specific flaw exists within the processing of HTTP parameters. A crafted request can trigger the dereference of a null pointer. An attacker can leverage this vulnerability to create a denial-of-service condition. Was ZDI-CAN-10115.","modified":"2025-10-24T04:48:20Z","published":"2020-03-23T21:15:00Z","upstream":["CVE-2020-8859"],"references":[{"type":"REPORT","url":"https://ubuntu.com/security/CVE-2020-8859"},{"type":"REPORT","url":"https://elog.psi.ch/elogs/Forum/69114"},{"type":"REPORT","url":"https://www.zerodayinitiative.com/advisories/ZDI-20-252/"},{"type":"REPORT","url":"https://bitbucket.org/ritt/elog/commits/033e292301fa569738b20768b8d1f1d7d0bc1ca7"},{"type":"REPORT","url":"https://www.cve.org/CVERecord?id=CVE-2020-8859"}],"affected":[{"package":{"name":"elog","ecosystem":"Ubuntu:16.04:LTS","purl":"pkg:deb/ubuntu/elog@3.1.1-1-1?arch=source&distro=xenial"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}],"versions":["3.1.0-2-1","3.1.1-1-1"],"ecosystem_specific":{"binaries":[{"binary_name":"elog","binary_version":"3.1.1-1-1"}]},"database_specific":{"source":"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2020/UBUNTU-CVE-2020-8859.json"}},{"package":{"name":"elog","ecosystem":"Ubuntu:18.04:LTS","purl":"pkg:deb/ubuntu/elog@3.1.3-1-1build1?arch=source&distro=bionic"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}],"versions":["3.1.3-1-1","3.1.3-1-1build1"],"ecosystem_specific":{"binaries":[{"binary_version":"3.1.3-1-1build1","binary_name":"elog"}]},"database_specific":{"source":"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2020/UBUNTU-CVE-2020-8859.json"}},{"package":{"name":"elog","ecosystem":"Ubuntu:20.04:LTS","purl":"pkg:deb/ubuntu/elog@3.1.3-1-1build1?arch=source&distro=focal"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}],"versions":["3.1.3-1-1build1"],"ecosystem_specific":{"binaries":[{"binary_name":"elog","binary_version":"3.1.3-1-1build1"}]},"database_specific":{"source":"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2020/UBUNTU-CVE-2020-8859.json"}},{"package":{"name":"elog","ecosystem":"Ubuntu:22.04:LTS","purl":"pkg:deb/ubuntu/elog@3.1.3-1-1build2?arch=source&distro=jammy"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}],"versions":["3.1.3-1-1build1","3.1.3-1-1build2"],"ecosystem_specific":{"binaries":[{"binary_name":"elog","binary_version":"3.1.3-1-1build2"}]},"database_specific":{"source":"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2020/UBUNTU-CVE-2020-8859.json"}}],"schema_version":"1.7.3","severity":[{"type":"CVSS_V3","score":"CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L"},{"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"}]}