1 files changed, 0 insertions, 221 deletions
diff --git a/main/p7zip/CVE-2018-5996.patch b/main/p7zip/CVE-2018-5996.patch
deleted file mode 100644
index 6733bff9189..00000000000
--- a/main/p7zip/CVE-2018-5996.patch
+++ /dev/null
@@ -1,221 +0,0 @@
-From: Robert Luberda <robert@debian.org>
-Date: Sun, 28 Jan 2018 23:47:40 +0100
-Subject: CVE-2018-5996
-
-Hopefully fix Memory Corruptions via RAR PPMd (CVE-2018-5996) by
-applying a few changes from 7Zip 18.00-beta.
-
-Bug-Debian: https://bugs.debian.org/#888314
----
- CPP/7zip/Compress/Rar1Decoder.cpp | 13 +++++++++----
- CPP/7zip/Compress/Rar1Decoder.h   |  1 +
- CPP/7zip/Compress/Rar2Decoder.cpp | 10 +++++++++-
- CPP/7zip/Compress/Rar2Decoder.h   |  1 +
- CPP/7zip/Compress/Rar3Decoder.cpp | 23 ++++++++++++++++++++---
- CPP/7zip/Compress/Rar3Decoder.h   |  2 ++
- 6 files changed, 42 insertions(+), 8 deletions(-)
-
-diff --git a/CPP/7zip/Compress/Rar1Decoder.cpp b/CPP/7zip/Compress/Rar1Decoder.cpp
-index 1aaedcc..68030c7 100644
---- a/CPP/7zip/Compress/Rar1Decoder.cpp
-+++ b/CPP/7zip/Compress/Rar1Decoder.cpp
-@@ -29,7 +29,7 @@ public:
- };
- */
- 
--CDecoder::CDecoder(): m_IsSolid(false) { }
-+CDecoder::CDecoder(): m_IsSolid(false), _errorMode(false) { }
- 
- void CDecoder::InitStructures()
- {
-@@ -406,9 +406,14 @@ HRESULT CDecoder::CodeReal(ISequentialInStream *inStream, ISequentialOutStream *
-   InitData();
-   if (!m_IsSolid)
-   {
-+    _errorMode = false;
-     InitStructures();
-     InitHuff();
-   }
-+
-+  if (_errorMode)
-+    return S_FALSE;
-+
-   if (m_UnpackSize > 0)
-   {
-     GetFlagsBuf();
-@@ -477,9 +482,9 @@ STDMETHODIMP CDecoder::Code(ISequentialInStream *inStream, ISequentialOutStream
-     const UInt64 *inSize, const UInt64 *outSize, ICompressProgressInfo *progress)
- {
-   try { return CodeReal(inStream, outStream, inSize, outSize, progress); }
--  catch(const CInBufferException &e) { return e.ErrorCode; }
--  catch(const CLzOutWindowException &e) { return e.ErrorCode; }
--  catch(...) { return S_FALSE; }
-+  catch(const CInBufferException &e) { _errorMode = true; return e.ErrorCode; }
-+  catch(const CLzOutWindowException &e) { _errorMode = true; return e.ErrorCode; }
-+  catch(...) { _errorMode = true; return S_FALSE; }
- }
- 
- STDMETHODIMP CDecoder::SetDecoderProperties2(const Byte *data, UInt32 size)
-diff --git a/CPP/7zip/Compress/Rar1Decoder.h b/CPP/7zip/Compress/Rar1Decoder.h
-index 630f089..01b606b 100644
---- a/CPP/7zip/Compress/Rar1Decoder.h
-+++ b/CPP/7zip/Compress/Rar1Decoder.h
-@@ -39,6 +39,7 @@ public:
- 
-   Int64 m_UnpackSize;
-   bool m_IsSolid;
-+  bool _errorMode;
- 
-   UInt32 ReadBits(int numBits);
-   HRESULT CopyBlock(UInt32 distance, UInt32 len);
-diff --git a/CPP/7zip/Compress/Rar2Decoder.cpp b/CPP/7zip/Compress/Rar2Decoder.cpp
-index b3f2b4b..0580c8d 100644
---- a/CPP/7zip/Compress/Rar2Decoder.cpp
-+++ b/CPP/7zip/Compress/Rar2Decoder.cpp
-@@ -80,7 +80,8 @@ static const UInt32 kHistorySize = 1 << 20;
- static const UInt32 kWindowReservSize = (1 << 22) + 256;
- 
- CDecoder::CDecoder():
--  m_IsSolid(false)
-+  m_IsSolid(false),
-+  m_TablesOK(false)
- {
- }
- 
-@@ -100,6 +101,8 @@ UInt32 CDecoder::ReadBits(unsigned numBits) { return m_InBitStream.ReadBits(numB
- 
- bool CDecoder::ReadTables(void)
- {
-+  m_TablesOK = false;
-+
-   Byte levelLevels[kLevelTableSize];
-   Byte newLevels[kMaxTableSize];
-   m_AudioMode = (ReadBits(1) == 1);
-@@ -170,6 +173,8 @@ bool CDecoder::ReadTables(void)
-   }
-   
-   memcpy(m_LastLevels, newLevels, kMaxTableSize);
-+  m_TablesOK = true;
-+
-   return true;
- }
- 
-@@ -344,6 +349,9 @@ HRESULT CDecoder::CodeReal(ISequentialInStream *inStream, ISequentialOutStream *
-       return S_FALSE;
-   }
- 
-+  if (!m_TablesOK)
-+    return S_FALSE;
-+
-   UInt64 startPos = m_OutWindowStream.GetProcessedSize();
-   while (pos < unPackSize)
-   {
-diff --git a/CPP/7zip/Compress/Rar2Decoder.h b/CPP/7zip/Compress/Rar2Decoder.h
-index 3a0535c..0e9005f 100644
---- a/CPP/7zip/Compress/Rar2Decoder.h
-+++ b/CPP/7zip/Compress/Rar2Decoder.h
-@@ -139,6 +139,7 @@ class CDecoder :
- 
-   UInt64 m_PackSize;
-   bool m_IsSolid;
-+  bool m_TablesOK;
- 
-   void InitStructures();
-   UInt32 ReadBits(unsigned numBits);
-diff --git a/CPP/7zip/Compress/Rar3Decoder.cpp b/CPP/7zip/Compress/Rar3Decoder.cpp
-index 3bf2513..6cb8a6a 100644
---- a/CPP/7zip/Compress/Rar3Decoder.cpp
-+++ b/CPP/7zip/Compress/Rar3Decoder.cpp
-@@ -92,7 +92,8 @@ CDecoder::CDecoder():
-   _writtenFileSize(0),
-   _vmData(0),
-   _vmCode(0),
--  m_IsSolid(false)
-+  m_IsSolid(false),
-+  _errorMode(false)
- {
-   Ppmd7_Construct(&_ppmd);
- }
-@@ -545,6 +546,9 @@ HRESULT CDecoder::ReadTables(bool &keepDecompressing)
-     return InitPPM();
-   }
- 
-+  TablesRead = false;
-+  TablesOK = false;
-+
-   _lzMode = true;
-   PrevAlignBits = 0;
-   PrevAlignCount = 0;
-@@ -606,6 +610,9 @@ HRESULT CDecoder::ReadTables(bool &keepDecompressing)
-       }
-     }
-   }
-+  if (InputEofError())
-+    return S_FALSE;
-+
-   TablesRead = true;
- 
-   // original code has check here:
-@@ -623,6 +630,9 @@ HRESULT CDecoder::ReadTables(bool &keepDecompressing)
-   RIF(m_LenDecoder.Build(&newLevels[kMainTableSize + kDistTableSize + kAlignTableSize]));
- 
-   memcpy(m_LastLevels, newLevels, kTablesSizesSum);
-+
-+  TablesOK = true;
-+
-   return S_OK;
- }
- 
-@@ -824,7 +834,12 @@ HRESULT CDecoder::CodeReal(ICompressProgressInfo *progress)
-     PpmEscChar = 2;
-     PpmError = true;
-     InitFilters();
-+    _errorMode = false;
-   }
-+
-+  if (_errorMode)
-+    return S_FALSE;
-+
-   if (!m_IsSolid || !TablesRead)
-   {
-     bool keepDecompressing;
-@@ -838,6 +853,8 @@ HRESULT CDecoder::CodeReal(ICompressProgressInfo *progress)
-     bool keepDecompressing;
-     if (_lzMode)
-     {
-+      if (!TablesOK)
-+        return S_FALSE;
-       RINOK(DecodeLZ(keepDecompressing))
-     }
-     else
-@@ -901,8 +918,8 @@ STDMETHODIMP CDecoder::Code(ISequentialInStream *inStream, ISequentialOutStream
-     _unpackSize = outSize ? *outSize : (UInt64)(Int64)-1;
-     return CodeReal(progress);
-   }
--  catch(const CInBufferException &e)  { return e.ErrorCode; }
--  catch(...) { return S_FALSE; }
-+  catch(const CInBufferException &e)  { _errorMode = true; return e.ErrorCode; }
-+  catch(...) { _errorMode = true; return S_FALSE; }
-   // CNewException is possible here. But probably CNewException is caused
-   // by error in data stream.
- }
-diff --git a/CPP/7zip/Compress/Rar3Decoder.h b/CPP/7zip/Compress/Rar3Decoder.h
-index c130cec..2f72d7d 100644
---- a/CPP/7zip/Compress/Rar3Decoder.h
-+++ b/CPP/7zip/Compress/Rar3Decoder.h
-@@ -192,6 +192,7 @@ class CDecoder:
-   UInt32 _lastFilter;
- 
-   bool m_IsSolid;
-+  bool _errorMode;
- 
-   bool _lzMode;
-   bool _unsupportedFilter;
-@@ -200,6 +201,7 @@ class CDecoder:
-   UInt32 PrevAlignCount;
- 
-   bool TablesRead;
-+  bool TablesOK;
- 
-   CPpmd7 _ppmd;
-   int PpmEscChar;