{"id":"CVE-1999-0038","url":"https://www.cyber-defence.io/tools/cve/CVE-1999-0038","generatedAt":"2026-10-27T21:48:12.183Z","title":"Buffer overflow in xlock program allows local users to execute commands as root.","description":"Buffer overflow in xlock program allows local users to execute commands as root.","published":"1997-04-26T04:00:00.000Z","lastModified":"2026-06-16T21:47:25.000Z","status":"Modified","sourceIdentifier":"cve@mitre.org","cvss":{"version":"3.1","score":8.4,"severity":"HIGH","vector":"CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H"},"cwe":["CWE-120"],"affected":["data general/dg ux","sgi/irix","bsdi/bsd os","debian/debian linux","hp/hp-ux","ibm/aix","sun/solaris","sun/sunos"],"epss":{"score":0.01322,"percentile":0.70686,"date":"2026-10-26","history":[]},"kev":{"listed":false},"exploits":{"count":2,"verified":true,"firstPublished":"1997-04-26","source":"Exploit-DB (https://gitlab.com/exploit-database/exploitdb)","entries":[{"edbId":19173,"kind":"exploit","title":"BSD/OS 2.1 / DG/UX 7.0 / Debian 1.3 / HP-UX 10.34 / IBM AIX 4.2 / SGI IRIX 6.4 / Solaris 2.5.1 - '/usr/bin/X11/xlock' Local Privilege Escalation (2)","url":"https://www.exploit-db.com/exploits/19173","sourceUrl":"https://gitlab.com/exploit-database/exploitdb/-/blob/main/exploits/unix/local/19173.c","file":"exploits/unix/local/19173.c","published":"1997-04-26","added":"1997-04-26","updated":"2017-11-15","author":"BeastMaster","type":"local","platform":"unix","port":null,"verified":true,"codes":["CVE-1999-0306","OSVDB-941","CVE-1999-0038","CVE-1999-0030"],"tags":null,"aliases":null,"applicationUrl":null,"screenshotUrl":null,"referenceUrl":"https://www.securityfocus.com/bid/224/info"},{"edbId":19172,"kind":"exploit","title":"BSD/OS 2.1 / DG/UX 7.0 / Debian 1.3 / HP-UX 10.34 / IBM AIX 4.2 / SGI IRIX 6.4 / Solaris 2.5.1 - 'xlock' Local Overflow / Local Privilege Escalation (1)","url":"https://www.exploit-db.com/exploits/19172","sourceUrl":"https://gitlab.com/exploit-database/exploitdb/-/blob/main/exploits/unix/local/19172.c","file":"exploits/unix/local/19172.c","published":"1997-04-26","added":"1997-04-26","updated":"2017-11-16","author":"cesaro","type":"local","platform":"unix","port":null,"verified":true,"codes":["CVE-1999-0306","OSVDB-941","CVE-1999-0038","CVE-1999-0030"],"tags":null,"aliases":null,"applicationUrl":null,"screenshotUrl":null,"referenceUrl":"https://www.securityfocus.com/bid/224/info"}]},"verdict":{"level":"urgent","text":"2 public exploits are published in Exploit-DB (verified) and the impact is high, while EPSS rates exploitation at 1.3%. Anyone can run this; patch or mitigate before the next change window and check exposed instances for signs of use."},"changes":[],"references":[{"url":"https://exchange.xforce.ibmcloud.com/vulnerabilities/CVE-1999-0038","source":"cve@mitre.org"},{"url":"https://exchange.xforce.ibmcloud.com/vulnerabilities/CVE-1999-0038","source":"af854a3a-2127-422b-91ae-364da2661108"}],"sources":{"nvd":"https://nvd.nist.gov/vuln/detail/CVE-1999-0038","epss":"https://www.first.org/epss/","kev":"https://www.cisa.gov/known-exploited-vulnerabilities-catalog","exploitdb":"https://www.exploit-db.com/"},"licence":"CC BY 4.0 — link back to the CVE Explorer if you publish the results; upstream data remains subject to its own terms."}