CVE-2019-9199

PoDoFo::Impose::PdfTranslator::setSource() in pdftranslator.cpp in PoDoFo 0.9.6 has a NULL pointer dereference that can (for example) be triggered by sending a crafted PDF file to the podofoimpose binary. It allows an attacker to cause Denial of Service (Segmentation fault) or possibly have unspecified other impact.

PoDoFo::Impose::PdfTranslator::setSource() in pdftranslator.cpp in PoDoFo 0.9.6 has a NULL pointer dereference that can (for example) be triggered by sending a crafted PDF file to the podofoimpose binary. It allows an attacker to cause Denial of Service (Segmentation fault) or possibly have unspecified other impact.

The updated packages fix security vulnerabilities:

A stack-based buffer over-read in the PdfEncryptMD5Base::ComputeEncryptionKey() function in PdfEncrypt.cpp in PoDoFo 0.9.6-rc1 could be leveraged by remote attackers to cause a denial-of-service via a crafted pdf file. (CVE-2018-12983)

An issue was discovered in crop_page in PoDoFo 0.9.6. For a crafted PDF document, pPage->GetObject()->GetDictionary().AddKey(PdfName("MediaBox"),var) can be problematic due to the function GetObject() being called for the pPage NULL pointer object. The value of pPage at this point is 0x0, which causes a NULL pointer dereference. (CVE-2018-20751)

PoDoFo::Impose::PdfTranslator::setSource() in pdftranslator.cpp in PoDoFo 0.9.6 has a NULL pointer dereference that can (for example) be triggered by sending a crafted PDF file to the podofoimpose binary. It allows an attacker to cause Denial of Service (Segmentation fault) or possibly have unspecified other impact. (CVE-2019-9199)

PoDoFo 0.9.6 has a heap-based buffer overflow in PdfString::ConvertUTF16toUTF8 in base/PdfString.cpp. (CVE-2019-9687)

The PoDoFo::PdfVariant::DelayedLoad function in PdfVariant.h in PoDoFo 0.9.6 allows remote attackers to cause a denial of service (NULL pointer dereference) via a crafted file, because of ImageExtractor.cpp. (CVE-2019-20093)

These are all security issues fixed in the libpodofo-devel-0.10.3-2.1 package on the GA media of openSUSE Tumbleweed.

This update for podofo fixes the following issues:

• CVE-2019-9199: Fixed a NULL pointer dereference in podofoimpose (bsc#1127855)
• CVE-2018-20797: Fixed an excessive memory allocation in PoDoFo:podofo_calloc (bsc#1127514)
• CVE-2019-10723: Fixed a memory leak in PdfPagesTreeCache (bsc#1131544)

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)

• CVE-2018-5308: Fixed Undefined behavior (memcpy with NULL pointer) in PdfMemoryOutputStream::Write (src/base/PdfOutputStream.cpp) (bsc#1075772)

• CVE-2019-10723: Fixed Memory leak in PdfPagesTreeCache class in doc/PdfPagesTreeCache.cpp (bsc#1131544)

• CVE-2019-9199: Fixed NULL pointer dereference in function PoDoFo:Impose:PdfTranslator:setSource() in pdftranslator.cpp (bsc#1127855)

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