Date: Wed, 19 Apr 2017 11:21:24 +0200 From: Sebastian Krahmer <krahmer@...e.com> To: oss-security@...ts.openwall.com Cc: cve-assign@...re.org Subject: CVE-2017-7874 versus CVE-2009-1185 ? Hi I stumbled across https://twitter.com/info_dox/status/854372066228932609 that is curious about an udev+kernel exploit (https://packetstormsecurity.com/files/142152/Linux-Kernel-4.8.0-udev-232-Privilege-Escalation.html) which claims to exploit a missing sender-check within udev. That makes me wonder, as kernel 4.8.0 (and even earlier) no longer allow users to send NETLINK_KOBJECT_UEVENT messages. Our testcases fail, as they should: https://bugzilla.suse.com/show_bug.cgi?id=1034330 However, MITRE apparently assigned a valid CVE for it: http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2017-7874 So either we miss some weird corner case or the CVE is invalid and should be withdrawn? Sebastian -- ~ perl self.pl ~ $_='print"\$_=\47$_\47;eval"';eval ~ krahmer@...e.com - SuSE Security Team
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