{"id":"MGASA-2020-0081","summary":"Updated sudo packages fix security vulnerability","details":"The updated packages fix a security vulnerability:\n\nIn Sudo before 1.8.31, if pwfeedback is enabled in /etc/sudoers, users can\ntrigger a stack-based buffer overflow in the privileged sudo process.\n(pwfeedback is a default setting in Linux Mint and elementary OS; however,\nit is NOT the default for upstream and many other packages, and would exist\nonly if enabled by an administrator.) The attacker needs to deliver a long\nstring to the stdin of getln() in tgetpass.c. (CVE-2019-18634)\n","modified":"2026-04-16T04:41:13.213842082Z","published":"2020-02-09T19:13:40Z","upstream":["CVE-2019-18634"],"references":[{"type":"ADVISORY","url":"https://advisories.mageia.org/MGASA-2020-0081.html"},{"type":"REPORT","url":"https://bugs.mageia.org/show_bug.cgi?id=26155"},{"type":"WEB","url":"https://www.sudo.ws/alerts/pwfeedback.html"},{"type":"WEB","url":"https://www.openwall.com/lists/oss-security/2020/01/30/6"},{"type":"WEB","url":"https://www.sudo.ws/stable.html#1.8.31"}],"affected":[{"package":{"name":"sudo","ecosystem":"Mageia:7","purl":"pkg:rpm/mageia/sudo?arch=source&distro=mageia-7"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"1.8.28-1.1.mga7"}]}],"ecosystem_specific":{"section":"core"},"database_specific":{"source":"https://advisories.mageia.org/MGASA-2020-0081.json"}}],"schema_version":"1.7.5","credits":[{"name":"Mageia","contact":["https://wiki.mageia.org/en/Packages_Security_Team"],"type":"COORDINATOR"}]}