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[tmodes <2025037@xxxxxxxxxxxxxxxxxx>]

** Changed in: hugin
       Status: Fix Committed => Fix Released

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https://bugs.launchpad.net/bugs/2025037

Title:
  Heap-buffer-overflow when adding an image in
  HuginBase::PTools::setDestImage

Status in Hugin:
  Fix Released

Bug description:
  Hi there

  We want to share that the latest version (2022.0.0) of pto_merge
  causes another heap-buffer-overflow bug in the function
  HuginBase::PTools::setDestImage as well as in the function
  HuginBase::PanoramaMemento::loadPTScript.

  The invalid memory allocation may attribute to the malformed values as
  parameters to the HuginBase::PTools::setDestImage .

  Here is the output of program with address sanitizer attached.

  Bug Report

  ERROR: 13:28:41.047604 (/home/ubuntu/targets/hugin-2022.0.0_original/src/hugin_base/panotools/PanoToolsInterface.cpp:357) setDestImage(): unsupported projection
  =================================================================
  ==4011==ERROR: AddressSanitizer: heap-buffer-overflow on address 0x603000009808 at pc 0x7f973bddfdeb bp 0x7fff0426e670 sp 0x7fff0426e660
  READ of size 8 at 0x603000009808 thread T0
      #0 0x7f973bddfdea in HuginBase::PTools::setDestImage(Image&, vigra::Diff2D, unsigned char*, HuginBase::PanoramaOptions::ProjectionFormat const&, std::vector<double, std::allocator<double> > const&, double) /home/ubuntu/targets/hugin-2022.0.0_original/src/hugin_base/panotools/PanoToolsInterface.cpp:362
      #1 0x7f973bde173e in HuginBase::PTools::Transform::updatePTData(vigra::Diff2D const&, std::map<std::__cxx11::basic_string<char, std::char_traits<char>, std::allocator<char> >, HuginBase::Variable, std::less<std::__cxx11::basic_string<char, std::char_traits<char>, std::allocator<char> > >, std::allocator<std::pair<std::__cxx11::basic_string<char, std::char_traits<char>, std::allocator<char> > const, HuginBase::Variable> > > const&, HuginBase::BaseSrcPanoImage::Projection&, vigra::Diff2D const&, HuginBase::PanoramaOptions::ProjectionFormat&, std::vector<double, std::allocator<double> > const&, double) /home/ubuntu/targets/hugin-2022.0.0_original/src/hugin_base/panotools/PanoToolsInterface.cpp:66
      #2 0x7f973bde1b53 in HuginBase::PTools::Transform::createTransform(vigra::Diff2D const&, std::map<std::__cxx11::basic_string<char, std::char_traits<char>, std::allocator<char> >, HuginBase::Variable, std::less<std::__cxx11::basic_string<char, std::char_traits<char>, std::allocator<char> > >, std::allocator<std::pair<std::__cxx11::basic_string<char, std::char_traits<char>, std::allocator<char> > const, HuginBase::Variable> > >, HuginBase::BaseSrcPanoImage::Projection, vigra::Diff2D const&, HuginBase::PanoramaOptions::ProjectionFormat, std::vector<double, std::allocator<double> > const&, double, vigra::Diff2D const&) /home/ubuntu/targets/hugin-2022.0.0_original/src/hugin_base/panotools/PanoToolsInterface.cpp:181
      #3 0x7f973bded5d8 in HuginBase::PTools::Transform::createTransform(HuginBase::SrcPanoImage const&, HuginBase::PanoramaOptions const&) /home/ubuntu/targets/hugin-2022.0.0_original/src/hugin_base/panotools/PanoToolsInterface.cpp:147
      #4 0x7f973bcef22b in HuginBase::PanoramaOptions::getVFOV() const /home/ubuntu/targets/hugin-2022.0.0_original/src/hugin_base/panodata/PanoramaOptions.cpp:358
      #5 0x7f973bcf131d in HuginBase::PanoramaOptions::setProjectionParameters(std::vector<double, std::allocator<double> > const&) /home/ubuntu/targets/hugin-2022.0.0_original/src/hugin_base/panodata/PanoramaOptions.cpp:190
      #6 0x7f973bcf1858 in HuginBase::PanoramaOptions::resetProjectionParameters() /home/ubuntu/targets/hugin-2022.0.0_original/src/hugin_base/panodata/PanoramaOptions.cpp:200
      #7 0x7f973bc722b9 in HuginBase::PanoramaMemento::loadPTScript(std::istream&, int&, std::__cxx11::basic_string<char, std::char_traits<char>, std::allocator<char> > const&) /home/ubuntu/targets/hugin-2022.0.0_original/src/hugin_base/panodata/Panorama.cpp:2492
      #8 0x7f973bc9c618 in HuginBase::Panorama::readData(std::istream&, std::__cxx11::basic_string<char, std::char_traits<char>, std::allocator<char> >) /home/ubuntu/targets/hugin-2022.0.0_original/src/hugin_base/panodata/Panorama.cpp:2178
      #9 0x555e5c6e1975 in main /home/ubuntu/targets/hugin-2022.0.0_original/src/tools/pto_merge.cpp:99
      #10 0x7f9739390082 in __libc_start_main ../csu/libc-start.c:308
      #11 0x555e5c6e2c5d in _start (/home/ubuntu/targets/hugin-2022.0.0_original/build/src/tools/pto_merge+0xbc5d)

  0x603000009808 is located 0 bytes to the right of 24-byte region [0x6030000097f0,0x603000009808)
  allocated by thread T0 here:
      #0 0x7f973c13a587 in operator new(unsigned long) ../../../../src/libsanitizer/asan/asan_new_delete.cc:104
      #1 0x7f973ac7c9a5 in __gnu_cxx::new_allocator<double>::allocate(unsigned long, void const*) /usr/include/c++/9/ext/new_allocator.h:114
      #2 0x7f973ac7c9a5 in std::allocator_traits<std::allocator<double> >::allocate(std::allocator<double>&, unsigned long) /usr/include/c++/9/bits/alloc_traits.h:443
      #3 0x7f973ac7c9a5 in std::_Vector_base<double, std::allocator<double> >::_M_allocate(unsigned long) /usr/include/c++/9/bits/stl_vector.h:343
      #4 0x7f973ac7c9a5 in std::vector<double, std::allocator<double> >::_M_default_append(unsigned long) /usr/include/c++/9/bits/vector.tcc:635
      #5 0x7f973bcf1ab7 in std::vector<double, std::allocator<double> >::resize(unsigned long) /usr/include/c++/9/bits/stl_vector.h:937
      #6 0x7f973bcf1ab7 in HuginBase::PanoramaOptions::setProjection(HuginBase::PanoramaOptions::ProjectionFormat) /home/ubuntu/targets/hugin-2022.0.0_original/src/hugin_base/panodata/PanoramaOptions.cpp:154
      #7 0x7f973bc722b9 in HuginBase::PanoramaMemento::loadPTScript(std::istream&, int&, std::__cxx11::basic_string<char, std::char_traits<char>, std::allocator<char> > const&) /home/ubuntu/targets/hugin-2022.0.0_original/src/hugin_base/panodata/Panorama.cpp:2492
      #8 0x7f973bc9c618 in HuginBase::Panorama::readData(std::istream&, std::__cxx11::basic_string<char, std::char_traits<char>, std::allocator<char> >) /home/ubuntu/targets/hugin-2022.0.0_original/src/hugin_base/panodata/Panorama.cpp:2178
      #9 0x555e5c6e1975 in main /home/ubuntu/targets/hugin-2022.0.0_original/src/tools/pto_merge.cpp:99
      #10 0x7f9739390082 in __libc_start_main ../csu/libc-start.c:308

  SUMMARY: AddressSanitizer: heap-buffer-overflow /home/ubuntu/targets/hugin-2022.0.0_original/src/hugin_base/panotools/PanoToolsInterface.cpp:362 in HuginBase::PTools::setDestImage(Image&, vigra::Diff2D, unsigned char*, HuginBase::PanoramaOptions::ProjectionFormat const&, std::vector<double, std::allocator<double> > const&, double)
  Shadow bytes around the buggy address:
    0x0c067fff92b0: fd fd fd fa fa fa fd fd fd fa fa fa fd fd fd fa
    0x0c067fff92c0: fa fa fd fd fd fa fa fa fd fd fd fa fa fa fd fd
    0x0c067fff92d0: fd fa fa fa fd fd fd fa fa fa fd fd fd fa fa fa
    0x0c067fff92e0: fd fd fd fa fa fa fd fd fd fa fa fa fd fd fd fd
    0x0c067fff92f0: fa fa fd fd fd fd fa fa fd fd fd fd fa fa 00 00
  =>0x0c067fff9300: 00[fa]fa fa fd fd fd fa fa fa fd fd fd fd fa fa
    0x0c067fff9310: fd fd fd fa fa fa fd fd fd fa fa fa fd fd fd fa
    0x0c067fff9320: fa fa fd fd fd fa fa fa fd fd fd fa fa fa fd fd
    0x0c067fff9330: fd fa fa fa fd fd fd fa fa fa fd fd fd fa fa fa
    0x0c067fff9340: fd fd fd fa fa fa fd fd fd fa fa fa fd fd fd fa
    0x0c067fff9350: fa fa fd fd fd fa fa fa fd fd fd fa fa fa fd fd
  Shadow byte legend (one shadow byte represents 8 application bytes):
    Addressable: 00
    Partially addressable: 01 02 03 04 05 06 07
    Heap left redzone: fa
    Freed heap region: fd
    Stack left redzone: f1
    Stack mid redzone: f2
    Stack right redzone: f3
    Stack after return: f5
    Stack use after scope: f8
    Global redzone: f9
    Global init order: f6
    Poisoned by user: f7
    Container overflow: fc
    Array cookie: ac
    Intra object redzone: bb
    ASan internal: fe
    Left alloca redzone: ca
    Right alloca redzone: cb
    Shadow gap: cc
  ==4011==ABORTING

  ### Envionment
  OS: Ubuntu 20.04.5 LTS x86_64
  Release: hugin 2022.0.0
  Program: pto_merge
  libhuginbase: 2020.0.0 (retrieved and compiled from source code)
  libpano13: 2.9.19
  To reproduce the problem, we need to build hugin:
  sudo cmake -DCMAKE_C_FLAGS="-g" -DCMAKE_CXX_FLAGS="-g" ..

  ### How to reproduce
  $ pto_merge poc-file *.jpg
  (*.jpg any name of jpg file including asterisk(*))
  poc-file is attached.

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