CVE-2018-14665
CVE-2018-14665
Vexday Risk Score
65High priority
SSVC decision (CISA)
Act
Exploitation + impact → act immediately
Exploit maturity
Functional exploit
Popular PoC on GitHub (17 stars) — exploitation code widely available.
CVSS —EPSS 27.0%KEV nãoPoC públicaNuclei —Metasploit simPatch referenciado
Lifecycle
12 Jul 2017Public PoC
25 Oct 2018Metasploit module available
25 Oct 2018Published on NVD
Recommendation: Patch as soon as possible — active exploitation confirmed.
A flaw was found in xorg-x11-server before 1.20.3. An incorrect permission check for -modulepath and -logfile options when starting Xorg. X server allows unprivileged users with the ability to log in to the system via physical console to escalate their privileges and run arbitrary code under root privileges.
Affected products
n/a · n/apublic PoCs found — 21
githubgithub.com/jas502n/CVE-2018-14665★ 17githubgithub.com/bolonobolo/CVE-2018-14665★ 0cve_referencewww.exploit-db.com/exploits/45697/unverifiedcve_referencewww.exploit-db.com/exploits/45742/unverifiedcve_referencewww.exploit-db.com/exploits/45832/unverifiedcve_referencewww.exploit-db.com/exploits/45908/unverifiedcve_referencewww.exploit-db.com/exploits/45922/unverifiedcve_referencewww.exploit-db.com/exploits/45938/unverifiedcve_referencewww.exploit-db.com/exploits/46142/unverifiedexploitdbwww.exploit-db.com/exploits/45938unverifiedexploitdbwww.exploit-db.com/exploits/45832unverifiedexploitdbwww.exploit-db.com/exploits/45908unverifiedexploitdbwww.exploit-db.com/exploits/45922unverifiedexploitdbwww.exploit-db.com/exploits/45697unverifiedexploitdbwww.exploit-db.com/exploits/47701unverifiedexploitdbwww.exploit-db.com/exploits/45742unverifiedexploitdbwww.exploit-db.com/exploits/46142unverifiedvulncheckvulncheck.com/xdb/aab96d127c7bunverifiedcve_referencepacketstormsecurity.com/files/154942/Xorg-X11-Server-SUID-modulepath-Privilege-Escalation.htmlunverifiedvulncheckvulncheck.com/xdb/b8a62e91d313unverifiedcve_referencepacketstormsecurity.com/files/155276/Xorg-X11-Server-Local-Privilege-Escalation.htmlunverified⚠ Public resources, to assess the exposure of systems you control or are authorized to test. Test only with authorization.
References
http://packetstormsecurity.com/files/154942/Xorg-X11-Server-SUID-modulepath-Privilege-Escalation.htmlhttp://packetstormsecurity.com/files/155276/Xorg-X11-Server-Local-Privilege-Escalation.htmlhttps://access.redhat.com/errata/RHSA-2018:3410https://bugzilla.redhat.com/show_bug.cgi?id=CVE-2018-14665https://gitlab.freedesktop.org/xorg/xserver/commit/50c0cf885a6e91c0ea71fb49fa8f1b7c86fe330ehttps://gitlab.freedesktop.org/xorg/xserver/commit/8a59e3b7dbb30532a7c3769c555e00d7c4301170https://lists.x.org/archives/xorg-announce/2018-October/002927.htmlhttps://security.gentoo.org/glsa/201810-09https://usn.ubuntu.com/3802-1/https://www.debian.org/security/2018/dsa-4328https://www.exploit-db.com/exploits/45697/https://www.exploit-db.com/exploits/45742/