{"id":"UBUNTU-CVE-2017-17536","details":"Phabricator before 2017-11-10 does not block the --config and --debugger flags to the Mercurial hg program, which allows remote attackers to execute arbitrary code by using the web UI to browse a branch whose name begins with a --config= or --debugger= substring.","modified":"2025-10-24T04:46:37Z","published":"2017-12-11T07:29:00Z","upstream":["CVE-2017-17536"],"references":[{"type":"REPORT","url":"https://ubuntu.com/security/CVE-2017-17536"},{"type":"REPORT","url":"https://hackerone.com/reports/288704"},{"type":"REPORT","url":"https://secure.phabricator.com/T13012"},{"type":"REPORT","url":"https://www.cve.org/CVERecord?id=CVE-2017-17536"}],"affected":[{"package":{"name":"phabricator","ecosystem":"Ubuntu:16.04:LTS","purl":"pkg:deb/ubuntu/phabricator@0~git20160124-1ubuntu1?arch=source&distro=xenial"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}],"versions":["0~git20150803-1","0~git20150906-1","0~git20160124-1","0~git20160124-1ubuntu1"],"ecosystem_specific":{"binaries":[{"binary_name":"arcanist","binary_version":"0~git20160124-1ubuntu1"},{"binary_name":"libphutil","binary_version":"0~git20160124-1ubuntu1"},{"binary_name":"phabricator","binary_version":"0~git20160124-1ubuntu1"}]},"database_specific":{"source":"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2017/UBUNTU-CVE-2017-17536.json"}}],"schema_version":"1.7.3","severity":[{"type":"CVSS_V3","score":"CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H"},{"type":"Ubuntu","score":"medium"}]}