CVE-2018-8001

In PoDoFo 0.9.5, there exists a heap-based buffer over-read vulnerability in UnescapeName() in PdfName.cpp. Remote attackers could leverage this vulnerability to cause a denial-of-service or possibly unspecified other impact via a crafted pdf file.

In PoDoFo 0.9.5, there exists a heap-based buffer over-read vulnerability in UnescapeName() in PdfName.cpp. Remote attackers could leverage this vulnerability to cause a denial-of-service or possibly unspecified other impact via a crafted pdf file.

The podofo package has been updated to fix several security issues.

These are all security issues fixed in the libpodofo-devel-0.9.7-2.2 package on the GA media of openSUSE Tumbleweed.

These are all security issues fixed in the libpodofo-0_10-devel-0.10.5-1.1 package on the GA media of openSUSE Tumbleweed.

This update for podofo fixes the following issues:

• CVE-2017-5852: The PoDoFo::PdfPage::GetInheritedKeyFromObject function allowed remote attackers to cause a denial of service (infinite loop) via a crafted file (bsc#1023067).
• CVE-2017-5853: Integer overflow allowed remote attackers to have unspecified impact via a crafted file (bsc#1023069).
• CVE-2017-5854: Prevent NULL pointer dereference that allowed remote attackers to cause a denial of service via a crafted file (bsc#1023070).
• CVE-2017-5855: The PoDoFo::PdfParser::ReadXRefSubsection function allowed remote attackers to cause a denial of service (NULL pointer dereference) via a crafted file (bsc#1023071).
• CVE-2017-5886: Prevent heap-based buffer overflow in the PoDoFo::PdfTokenizer::GetNextToken function that allowed remote attackers to have unspecified impact via a crafted file (bsc#1023380).
• CVE-2017-6847: The PoDoFo::PdfVariant::DelayedLoad function allowed remote attackers to cause a denial of service (NULL pointer dereference) via a crafted file (bsc#1027778).
• CVE-2017-6844: Buffer overflow in the PoDoFo::PdfParser::ReadXRefSubsection function allowed remote attackers to have unspecified impact via a crafted file (bsc#1027782).
• CVE-2017-6840: The ColorChanger::GetColorFromStack function allowed remote attackers to cause a denial of service (invalid read) via a crafted file (bsc#1027787).
• CVE-2017-7378: The PoDoFo::PdfPainter::ExpandTabs function allowed remote attackers to cause a denial of service (heap-based buffer over-read and application crash) via a crafted PDF document (bsc#1032017).
• CVE-2017-7379: The PoDoFo::PdfSimpleEncoding::ConvertToEncoding function allowed remote attackers to cause a denial of service (heap-based buffer over-read and application crash) via a crafted PDF document (bsc#1032018).
• CVE-2017-7380: Prevent NULL pointer dereference that allowed remote attackers to cause a denial of service via a crafted PDF document (bsc#1032019).
• CVE-2017-7994: The function TextExtractor::ExtractText allowed remote attackers to cause a denial of service (NULL pointer dereference and application crash) via a crafted PDF document (bsc#1035534).
• CVE-2017-8054: The function PdfPagesTree::GetPageNodeFromArray allowed remote attackers to cause a denial of service (infinite recursion and application crash) via a crafted PDF document (bsc#1035596).
• CVE-2017-8787: The PoDoFo::PdfXRefStreamParserObject::ReadXRefStreamEntry function allowed remote attackers to cause a denial of service (heap-based buffer over-read) or possibly have unspecified other impact via a crafted PDF file (bsc#1037739).
• CVE-2018-5308: Properly validate memcpy arguments in the PdfMemoryOutputStream::Write function to prevent remote attackers from causing a denial-of-service or possibly have unspecified other impact via a crafted pdf file (bsc#1075772).
• CVE-2018-8001: Prevent heap-based buffer over-read vulnerability in UnescapeName() that allowed remote attackers to cause a denial-of-service or possibly unspecified other impact via a crafted pdf file (bsc#1084894).

This update for podofo fixes the following issues:

• CVE-2015-8981: Fixed heap overflow in the function ReadXRefSubsection (bsc#1023190)

• CVE-2017-6840: Fixed invalid memory read in ColorChanger::GetColorFromStack (colorchanger.cpp) (bsc#1027787)

• CVE-2017-6841: Fixed NULL pointer dereference in GraphicsStack::TGraphicsStackElement::~TGraphicsStackElement (graphicsstack.h) (bsc#1027786)

• CVE-2017-6842: Fixed NULL pointer dereference in ColorChanger::GetColorFromStack (colorchanger.cpp) (bsc#1027785)

• CVE-2017-6845: Fixed NULL pointer dereference in GraphicsStack::TGraphicsStackElement::SetNonStrokingColorSpace (graphicsstack.h) (bsc#1027779)

• CVE-2017-6849: Fixed NULL pointer dereference in PoDoFo::PdfColorGray::~PdfColorGray (PdfColor.cpp) (bsc#1027776)

• CVE-2017-8378: Fixed denial of service (application crash) vectors related to m_offsets.size (PdfParser::ReadObjects func in base/PdfParser.cpp) (bsc#1037000)

• Fixed NULL pointer dereference in PdfInfo::GuessFormat (pdfinfo.cpp) (bsc#1023072)