{"id":"CVE-2010-2023","details":"transports/appendfile.c in Exim before 4.72, when a world-writable sticky-bit mail directory is used, does not verify the st_nlink field of mailbox files, which allows local users to cause a denial of service or possibly gain privileges by creating a hard link to another user's file.","modified":"2026-04-10T03:41:15.267766Z","published":"2010-06-07T17:12:48Z","related":["openSUSE-SU-2024:10017-1"],"references":[{"type":"ADVISORY","url":"http://secunia.com/advisories/40019"},{"type":"ADVISORY","url":"http://secunia.com/advisories/40123"},{"type":"ADVISORY","url":"http://secunia.com/advisories/43243"},{"type":"ADVISORY","url":"http://www.ubuntu.com/usn/USN-1060-1"},{"type":"ADVISORY","url":"http://www.vupen.com/english/advisories/2010/1402"},{"type":"ADVISORY","url":"http://www.vupen.com/english/advisories/2011/0364"},{"type":"FIX","url":"http://vcs.exim.org/viewvc/exim/exim-src/src/transports/appendfile.c?r1=1.24&r2=1.25"},{"type":"REPORT","url":"https://bugzilla.redhat.com/show_bug.cgi?id=600093"},{"type":"WEB","url":"http://archives.neohapsis.com/archives/fulldisclosure/2010-06/0079.html"},{"type":"WEB","url":"http://bugs.exim.org/show_bug.cgi?id=988"},{"type":"WEB","url":"http://lists.exim.org/lurker/message/20100524.175925.9a69f755.en.html"},{"type":"WEB","url":"http://lists.fedoraproject.org/pipermail/package-announce/2010-June/042587.html"},{"type":"WEB","url":"http://lists.fedoraproject.org/pipermail/package-announce/2010-June/042613.html"},{"type":"WEB","url":"http://lists.opensuse.org/opensuse-security-announce/2010-08/msg00001.html"},{"type":"WEB","url":"http://vcs.exim.org/viewvc/exim/exim-doc/doc-txt/ChangeLog?view=markup&pathrev=exim-4_72_RC2"},{"type":"WEB","url":"http://www.securityfocus.com/archive/1/511653/100/0/threaded"},{"type":"WEB","url":"http://www.securityfocus.com/bid/40451"},{"type":"WEB","url":"https://exchange.xforce.ibmcloud.com/vulnerabilities/59043"}],"schema_version":"1.7.5"}