qpdf:An infinite loop in libqpdf

Description

QPDF is a command-line program that does structural, content-preserving transformations on PDF files.

An infinite loop was found in libqpdf, which allows attackers to cause a denial of service via a crafted file.

#qpdf $FILE -
==52056== stack-overflow on address 0x7ffc5d511de0 (pc 0x0000005c262c bp 0x7ffc5d512a30 sp 0x7ffc5d511de0 T0)
    #0 0x5c262b in QPDF::resolveObjectsInStream(int) /home/haojun/Downloads/qpdf-master/libqpdf/QPDF.cc:1497
    #1 0x5c13b6 in QPDF::resolve(int, int) /home/haojun/Downloads/qpdf-master/libqpdf/QPDF.cc:1480:6
    #2 0x61e6c1 in QPDF::Resolver::resolve(QPDF*, int, int) /home/haojun/Downloads/qpdf-master/include/qpdf/QPDF.hh:520:19
    #3 0x61e6c1 in QPDFObjectHandle::dereference() /home/haojun/Downloads/qpdf-master/libqpdf/QPDFObjectHandle.cc:1520
    #4 0x621e00 in QPDFObjectHandle::isStream() /home/haojun/Downloads/qpdf-master/libqpdf/QPDFObjectHandle.cc:226:5
    #5 0x5c27ce in QPDF::resolveObjectsInStream(int) /home/haojun/Downloads/qpdf-master/libqpdf/QPDF.cc:1500:22
    #6 0x5c13b6 in QPDF::resolve(int, int) /home/haojun/Downloads/qpdf-master/libqpdf/QPDF.cc:1480:6
    #7 0x61e6c1 in QPDF::Resolver::resolve(QPDF*, int, int) /home/haojun/Downloads/qpdf-master/include/qpdf/QPDF.hh:520:19
    #8 0x61e6c1 in QPDFObjectHandle::dereference() /home/haojun/Downloads/qpdf-master/libqpdf/QPDFObjectHandle.cc:1520
    #9 0x621e00 in QPDFObjectHandle::isStream() /home/haojun/Downloads/qpdf-master/libqpdf/QPDFObjectHandle.cc:226:5
    #10 0x5c27ce in QPDF::resolveObjectsInStream(int) /home/haojun/Downloads/qpdf-master/libqpdf/QPDF.cc:1500:22
    #11 0x5c13b6 in QPDF::resolve(int, int) /home/haojun/Downloads/qpdf-master/libqpdf/QPDF.cc:1480:6
    #12 0x61e6c1 in QPDF::Resolver::resolve(QPDF*, int, int) /home/haojun/Downloads/qpdf-master/include/qpdf/QPDF.hh:520:19
    #13 0x61e6c1 in QPDFObjectHandle::dereference() /home/haojun/Downloads/qpdf-master/libqpdf/QPDFObjectHandle.cc:1520
    #14 0x621e00 in QPDFObjectHandle::isStream() /home/haojun/Downloads/qpdf-master/libqpdf/QPDFObjectHandle.cc:226:5
    #15 0x5c27ce in QPDF::resolveObjectsInStream(int) /home/haojun/Downloads/qpdf-master/libqpdf/QPDF.cc:1500:22
    #16 0x5c13b6 in QPDF::resolve(int, int) /home/haojun/Downloads/qpdf-master/libqpdf/QPDF.cc:1480:6
    #17 0x61e6c1 in QPDF::Resolver::resolve(QPDF*, int, int) /home/haojun/Downloads/qpdf-master/include/qpdf/QPDF.hh:520:19
    #18 0x61e6c1 in QPDFObjectHandle::dereference() /home/haojun/Downloads/qpdf-master/libqpdf/QPDFObjectHandle.cc:1520
    #19 0x621e00 in QPDFObjectHandle::isStream() /home/haojun/Downloads/qpdf-master/libqpdf/QPDFObjectHandle.cc:226:5
    #20 0x5c27ce in QPDF::resolveObjectsInStream(int) /home/haojun/Downloads/qpdf-master/libqpdf/QPDF.cc:1500:22
    #21 0x5c13b6 in QPDF::resolve(int, int) /home/haojun/Downloads/qpdf-master/libqpdf/QPDF.cc:1480:6
    #22 0x61e6c1 in QPDF::Resolver::resolve(QPDF*, int, int) /home/haojun/Downloads/qpdf-master/include/qpdf/QPDF.hh:520:19
    #23 0x61e6c1 in QPDFObjectHandle::dereference() /home/haojun/Downloads/qpdf-master/libqpdf/QPDFObjectHandle.cc:1520
    #24 0x621e00 in QPDFObjectHandle::isStream() /home/haojun/Downloads/qpdf-master/libqpdf/QPDFObjectHandle.cc:226:5
   ......

Affected version: 6.0.0
Fixed version:N/A
Commit fix:N/A
Credit: ADLab of Venustech.
CVE:N/A
Reproducer:
Timeline:
2017-06-04:bug discovered and reported to the qpdf GitHub issue page
2017-07-21:blog post about the issue
Permalink:
https://somevulnsofadlab.blogspot.com/2017/07/qpdfan-infinite-loop-in-libqpdf_26.html

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qpdf:An infinite loop in libqpdf

Description QPDF  is a command-line program that does structural, content-preserving transformations on PDF files. An infinite loop was found in libqpdf, which allows attackers to cause a denial of service via a crafted file. #qpdf $FILE - ==10354== stack-overflow on address 0x7fffdaf46ef8 (pc 0x7fc995a7f020 bp 0x000000935760 sp 0x7fffdaf46e50 T0) #0 0x7fc995a7f01f in pcre_compile2 pcre_compile.c:7903 #1 0x8adacb in PCRE::PCRE(char const*, int) /home/haojun/Downloads/qpdf-master/libqpdf/PCRE.cc:144:18 #2 0x67d604 in QPDFTokenizer::resolveLiteral() /home/haojun/Downloads/qpdf-master/libqpdf/QPDFTokenizer.cc:62:10 #3 0x6835cb in QPDFTokenizer::presentCharacter(char) /home/haojun/Downloads/qpdf-master/libqpdf/QPDFTokenizer.cc:432:9 #4 0x688d3f in QPDFTokenizer::readToken(PointerHolder<InputSource>, std::__cxx11::basic_string<char, std::char_traits<char>, std::allocator<char> > const&) /home/haojun/Downloads/qpdf-master/libqpdf/QP
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qpdf:An infinite loop in libqpdf

Description QPDF  is a command-line program that does structural, content-preserving transformations on PDF files. An infinite loop was found in libqpdf, which allows attackers to cause a denial of service via a crafted file. #qpdf $FILE - ==29487== stack-overflow on address 0x7fff5e6b1e38 (pc 0x0000005187d2 bp 0x7fff5e6b2680 sp 0x7fff5e6b1e10 T0) #0 0x5187d1 in operator new(unsigned long) /home/haojun/Downloads/llvm-clang/llvm/projects/compiler-rt/lib/asan/asan_new_delete.cc:82 #1 0x65e604 in PointerHolder<QPDFObject>::PointerHolder(QPDFObject*, bool) /home/haojun/Downloads/qpdf-master/include/qpdf/PointerHolder.hh:75:17 #2 0x65e604 in QPDFObjectHandle::QPDFObjectHandle(QPDF*, int, int) /home/haojun/Downloads/qpdf-master/libqpdf/QPDFObjectHandle.cc:45 #3 0x65e604 in QPDFObjectHandle::newIndirect(QPDF*, int, int) /home/haojun/Downloads/qpdf-master/libqpdf/QPDFObjectHandle.cc:1093 #4 0x5c27bf in QPDFObjectHandle::Factory::newIndirect(QPDF*, int, int)
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