CVE-2017-5886

Heap-based buffer overflow in the PoDoFo::PdfTokenizer::GetNextToken function in PdfTokenizer.cpp in PoDoFo 0.9.4 allows remote attackers to have unspecified impact via a crafted file.

The podofo package has been updated to fix several security issues. The krename and calibre packages have been rebuilt against the updated podofo.

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).

It was discovered that the PoDoFo library could dereference a NULL pointer when getting the number of pages in a PDF. If a user or application were tricked into opening a crafted PDF file, an attacker could possibly use this issue to cause a denial of service. This issue only affected Ubuntu 14.04 LTS, Ubuntu 16.04 LTS, Ubuntu 18.04 LTS and Ubuntu 20.04 LTS. (CVE-2018-11255)

It was discovered that PoDoFo library incorrectly handled memory when computing an encryption key, which could lead to a buffer overflow. If a user or application were tricked into opening a crafted PDF file, an attacker could possibly use this issue to cause a denial of service. (CVE-2018-12983)

It was discovered that the PoDoFo library incorrectly handled memory allocation. If a user or application were tricked into opening a crafted PDF file, an attacker could possibly use this issue to cause a denial of service. This issue only affected Ubuntu 18.04 LTS, Ubuntu 20.04 LTS and Ubuntu 22.04 LTS. (CVE-2018-20797)

It was discovered that the PoDoFo library did not properly validate memcpy arguments. If a user or application were tricked into opening a crafted PDF file, an attacker could possibly use this issue to cause a denial of service or execute arbitrary code. This issue only affected Ubuntu 14.04 LTS and Ubuntu 16.04 LTS. (CVE-2018-5308)

It was discovered that the PoDoFo library incorrectly handled memory in the GetNextToken function, which could lead to a buffer overflow. If a user or application were tricked into opening a crafted PDF file, an attacker could possibly use this issue to cause a denial of service. This issue only affected Ubuntu 16.04 LTS. (CVE-2017-5886)

It was discovered that the PoDoFo library could enter an infinite loop, which could lead to a stack overflow. If a user or application were tricked into opening a crafted PDF file, an attacker could possibly use this issue to cause a denial of service or execute arbitrary code. This issue only affected Ubuntu 20.04 LTS and Ubuntu 22.04 LTS. (CVE-2018-8002, CVE-2020-18971, CVE-2021-30471, CVE-2021-30470)

It was discovered that the PoDoFo library incorrectly handled memory allocation due to nInitialSize not being validated. If a user or application were tricked into opening a crafted PDF file, an attacker could possibly use this issue to cause a denial of service. This issue only affected Ubuntu 14.04 LTS, Ubuntu 16.04 LTS, Ubuntu 18.04 LTS and Ubuntu 20.04 LTS. (CVE-2019-10723)