{"id":"USN-3553-1","summary":"ruby2.3 vulnerabilities","details":"It was discovered that Ruby failed to validate specification names.\nAn attacker could possibly use a maliciously crafted gem to potentially\noverwrite any file on the filesystem. (CVE-2017-0901)\n\nIt was discovered that Ruby was vulnerable to a DNS hijacking vulnerability.\nAn attacker could use this to possibly force the RubyGems client to download\nand install gems from a server that the attacker controls. (CVE-2017-0902)\n\nIt was discovered that Ruby incorrectly handled certain YAML files. An attacker could\nuse this to possibly execute arbitrary code. (CVE-2017-0903)\n","modified":"2026-04-27T15:17:41.390281Z","published":"2018-01-31T14:11:10Z","related":["UBUNTU-CVE-2017-0901","UBUNTU-CVE-2017-0902","UBUNTU-CVE-2017-0903"],"upstream":["CVE-2017-0901","CVE-2017-0902","CVE-2017-0903","UBUNTU-CVE-2017-0901","UBUNTU-CVE-2017-0902","UBUNTU-CVE-2017-0903"],"references":[{"type":"ADVISORY","url":"https://ubuntu.com/security/notices/USN-3553-1"},{"type":"REPORT","url":"https://ubuntu.com/security/CVE-2017-0901"},{"type":"REPORT","url":"https://ubuntu.com/security/CVE-2017-0902"},{"type":"REPORT","url":"https://ubuntu.com/security/CVE-2017-0903"}],"affected":[{"package":{"name":"ruby2.3","ecosystem":"Ubuntu:16.04:LTS","purl":"pkg:deb/ubuntu/ruby2.3@2.3.1-2~16.04.6?arch=source&distro=xenial"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"2.3.1-2~16.04.6"}]}],"versions":["2.3.0-1","2.3.0-2","2.3.0-4ubuntu2","2.3.0-4ubuntu3","2.3.0-5ubuntu1","2.3.1-2~16.04","2.3.1-2~16.04.2","2.3.1-2~16.04.4","2.3.1-2~16.04.5"],"ecosystem_specific":{"binaries":[{"binary_version":"2.3.1-2~16.04.6","binary_name":"libruby2.3"},{"binary_version":"2.3.1-2~16.04.6","binary_name":"ruby2.3"},{"binary_version":"2.3.1-2~16.04.6","binary_name":"ruby2.3-tcltk"}],"availability":"No subscription required"},"database_specific":{"source":"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/usn/USN-3553-1.json","cves_map":{"ecosystem":"Ubuntu:16.04:LTS","cves":[{"severity":[{"score":"CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N","type":"CVSS_V3"},{"score":"medium","type":"Ubuntu"}],"id":"CVE-2017-0901"},{"severity":[{"score":"CVSS:3.0/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H","type":"CVSS_V3"},{"score":"medium","type":"Ubuntu"}],"id":"CVE-2017-0902"},{"severity":[{"score":"CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H","type":"CVSS_V3"},{"score":"medium","type":"Ubuntu"}],"id":"CVE-2017-0903"}]}}}],"schema_version":"1.7.5"}