{"id":"USN-3685-2","summary":"ruby2.0 regression","details":"USN-3685-1 fixed a vulnerability in Ruby. The fix for CVE-2017-0903 introduced\na regression in Ruby. This update fixes the problem.\n\nOriginal advisory details:\n\nSome of these CVE were already addressed in previous\nUSN: 3439-1, 3553-1, 3528-1. Here we address for\nthe remain releases.\n\nIt was discovered that Ruby incorrectly handled certain inputs.\nAn attacker could use this to cause a buffer overrun. (CVE-2017-0898)\n\nIt was discovered that Ruby incorrectly handled certain files.\nAn attacker could use this to overwrite any file on the filesystem.\n(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.\nAn attacker could use this to possibly execute arbitrary code. (CVE-2017-0903)\n\nIt was discovered that Ruby incorrectly handled certain files.\nAn attacker could use this to expose sensitive information.\n(CVE-2017-14064)\n\nIt was discovered that Ruby incorrectly handled certain inputs.\nAn attacker could use this to execute arbitrary code. (CVE-2017-10784)\n\nIt was discovered that Ruby incorrectly handled certain network requests.\nAn attacker could possibly use this to inject a crafted key into a HTTP\nresponse. (CVE-2017-17742)\n\nIt was discovered that Ruby incorrectly handled certain files.\nAn attacker could possibly use this to execute arbitrary code.\nThis update is only addressed to ruby2.0. (CVE-2018-1000074)\n\nIt was discovered that Ruby incorrectly handled certain network requests.\nAn attacker could possibly use this to cause a denial of service.\n(CVE-2018-8777)\n","modified":"2026-04-27T15:24:19.576051Z","published":"2021-03-25T15:43:03Z","related":["UBUNTU-CVE-2017-0903"],"upstream":["CVE-2017-0903","UBUNTU-CVE-2017-0903"],"references":[{"type":"ADVISORY","url":"https://ubuntu.com/security/notices/USN-3685-2"},{"type":"REPORT","url":"https://ubuntu.com/security/CVE-2017-0903"},{"type":"REPORT","url":"https://bugs.launchpad.net/ubuntu/+source/ruby2.0/+bug/1777174"}],"affected":[{"package":{"name":"ruby2.0","ecosystem":"Ubuntu:Pro:14.04:LTS","purl":"pkg:deb/ubuntu/ruby2.0@2.0.0.484-1ubuntu2.13+esm1?arch=source&distro=trusty/esm"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"2.0.0.484-1ubuntu2.13+esm1"}]}],"versions":["2.0.0.299-2","2.0.0.343-1","2.0.0.343-1ubuntu1","2.0.0.353-1","2.0.0.353-1ubuntu1","2.0.0.484-1ubuntu1","2.0.0.484-1ubuntu2","2.0.0.484-1ubuntu2.1","2.0.0.484-1ubuntu2.2","2.0.0.484-1ubuntu2.4","2.0.0.484-1ubuntu2.5","2.0.0.484-1ubuntu2.6","2.0.0.484-1ubuntu2.8","2.0.0.484-1ubuntu2.9","2.0.0.484-1ubuntu2.10","2.0.0.484-1ubuntu2.11","2.0.0.484-1ubuntu2.13"],"ecosystem_specific":{"binaries":[{"binary_version":"2.0.0.484-1ubuntu2.13+esm1","binary_name":"libruby2.0"},{"binary_version":"2.0.0.484-1ubuntu2.13+esm1","binary_name":"ruby2.0"},{"binary_version":"2.0.0.484-1ubuntu2.13+esm1","binary_name":"ruby2.0-tcltk"}],"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-3685-2.json","cves_map":{"ecosystem":"Ubuntu:Pro:14.04:LTS","cves":[{"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"}