Flawfinder version 2.0.10, (C) 2001-2019 David A. Wheeler. Number of rules (primarily dangerous function names) in C/C++ ruleset: 223 Examining data/step-20.04.0/autotests/test_metaobject.h Examining data/step-20.04.0/autotests/test_worldcopy.h Examining data/step-20.04.0/autotests/test_contacts.cc Examining data/step-20.04.0/autotests/test_worldcopy.cc Examining data/step-20.04.0/autotests/test_forces.cc Examining data/step-20.04.0/autotests/test_contacts.h Examining data/step-20.04.0/autotests/test_forces.h Examining data/step-20.04.0/autotests/test_metaobject.cc Examining data/step-20.04.0/stepcore/particle.cc Examining data/step-20.04.0/stepcore/body.cc Examining data/step-20.04.0/stepcore/coulombforce.h Examining data/step-20.04.0/stepcore/joints.cc Examining data/step-20.04.0/stepcore/coulombforce.cc Examining data/step-20.04.0/stepcore/itemgroup.h Examining data/step-20.04.0/stepcore/motor.cc Examining data/step-20.04.0/stepcore/xmlfile.cc Examining data/step-20.04.0/stepcore/eulersolver.cc Examining data/step-20.04.0/stepcore/constraintsolver.cc Examining data/step-20.04.0/stepcore/gas.cc Examining data/step-20.04.0/stepcore/solver.h Examining data/step-20.04.0/stepcore/vector.h Examining data/step-20.04.0/stepcore/world.cc Examining data/step-20.04.0/stepcore/tool.cc Examining data/step-20.04.0/stepcore/util.h Examining data/step-20.04.0/stepcore/object.cc Examining data/step-20.04.0/stepcore/force.cc Examining data/step-20.04.0/stepcore/objecterrors.h Examining data/step-20.04.0/stepcore/gslsolver.cc Examining data/step-20.04.0/stepcore/collisionsolver.h Examining data/step-20.04.0/stepcore/object.h Examining data/step-20.04.0/stepcore/factory.h Examining data/step-20.04.0/stepcore/types.h Examining data/step-20.04.0/stepcore/softbody.h Examining data/step-20.04.0/stepcore/gas.h Examining data/step-20.04.0/stepcore/tool.h Examining data/step-20.04.0/stepcore/item.cc Examining data/step-20.04.0/stepcore/constants.cc Examining data/step-20.04.0/stepcore/constraintsolver.h Examining data/step-20.04.0/stepcore/spring.h Examining data/step-20.04.0/stepcore/material.h Examining data/step-20.04.0/stepcore/solver.cc Examining data/step-20.04.0/stepcore/particle.h Examining data/step-20.04.0/stepcore/body.h Examining data/step-20.04.0/stepcore/rigidbody.h Examining data/step-20.04.0/stepcore/joint.cc Examining data/step-20.04.0/stepcore/collisionsolver.cc Examining data/step-20.04.0/stepcore/gslsolver.h Examining data/step-20.04.0/stepcore/motor.h Examining data/step-20.04.0/stepcore/eulersolver.h Examining data/step-20.04.0/stepcore/spring.cc Examining data/step-20.04.0/stepcore/itemgroup.cc Examining data/step-20.04.0/stepcore/joints.h Examining data/step-20.04.0/stepcore/force.h Examining data/step-20.04.0/stepcore/factory.cc Examining data/step-20.04.0/stepcore/material.cc Examining data/step-20.04.0/stepcore/xmlfile.h Examining data/step-20.04.0/stepcore/softbody.cc Examining data/step-20.04.0/stepcore/rigidbody.cc Examining data/step-20.04.0/stepcore/constants.h Examining data/step-20.04.0/stepcore/gravitation.h Examining data/step-20.04.0/stepcore/world.h Examining data/step-20.04.0/stepcore/item.h Examining data/step-20.04.0/stepcore/joint.h Examining data/step-20.04.0/stepcore/objecterrors.cc Examining data/step-20.04.0/stepcore/gravitation.cc Examining data/step-20.04.0/step/polygongraphics.cc Examining data/step-20.04.0/step/clipboard.h Examining data/step-20.04.0/step/main.cc Examining data/step-20.04.0/step/arrow.cc Examining data/step-20.04.0/step/motorgraphics.cc Examining data/step-20.04.0/step/jointgraphics.cc Examining data/step-20.04.0/step/itempalette.h Examining data/step-20.04.0/step/mainwindow.h Examining data/step-20.04.0/step/messageframe.h Examining data/step-20.04.0/step/worldbrowser.cc Examining data/step-20.04.0/step/springgraphics.h Examining data/step-20.04.0/step/choicesmodel.cc Examining data/step-20.04.0/step/toolgraphics.h Examining data/step-20.04.0/step/arrow.h Examining data/step-20.04.0/step/latexformula.h Examining data/step-20.04.0/step/stepgraphicsitem.cc Examining data/step-20.04.0/step/particlegraphics.h Examining data/step-20.04.0/step/undobrowser.cc Examining data/step-20.04.0/step/worldmodel.cc Examining data/step-20.04.0/step/propertiesbrowser.h Examining data/step-20.04.0/step/gasgraphics.h Examining data/step-20.04.0/step/worldgraphics.cc Examining data/step-20.04.0/step/unitscalc.cc Examining data/step-20.04.0/step/unitscalc.h Examining data/step-20.04.0/step/worldbrowser.h Examining data/step-20.04.0/step/polygongraphics.h Examining data/step-20.04.0/step/motorgraphics.h Examining data/step-20.04.0/step/toolgraphics.cc Examining data/step-20.04.0/step/worldfactory.cc Examining data/step-20.04.0/step/choicesmodel.h Examining data/step-20.04.0/step/gascreationdialog.h Examining data/step-20.04.0/step/worldfactory.h Examining data/step-20.04.0/step/itempalette.cc Examining data/step-20.04.0/step/stepgraphicsitem.h Examining data/step-20.04.0/step/gasgraphics.cc Examining data/step-20.04.0/step/undobrowser.h Examining data/step-20.04.0/step/simulationthread.h Examining data/step-20.04.0/step/messageframe.cc Examining data/step-20.04.0/step/worldscene.h Examining data/step-20.04.0/step/clipboard.cc Examining data/step-20.04.0/step/simulationthread.cc Examining data/step-20.04.0/step/springgraphics.cc Examining data/step-20.04.0/step/worldgraphics.h Examining data/step-20.04.0/step/infobrowser.cc Examining data/step-20.04.0/step/worldscene.cc Examining data/step-20.04.0/step/jointgraphics.h Examining data/step-20.04.0/step/softbodygraphics.h Examining data/step-20.04.0/step/gascreationdialog.cc Examining data/step-20.04.0/step/worldmodel.h Examining data/step-20.04.0/step/propertiesbrowser.cc Examining data/step-20.04.0/step/latexformula.cc Examining data/step-20.04.0/step/particlegraphics.cc Examining data/step-20.04.0/step/softbodygraphics.cc Examining data/step-20.04.0/step/infobrowser.h Examining data/step-20.04.0/step/mainwindow.cc FINAL RESULTS: data/step-20.04.0/step/mainwindow.cc:69:10: [3] (random) srand: This function is not sufficiently random for security-related functions such as key and nonce creation (CWE-327). Use a more secure technique for acquiring random values. std::srand(time(NULL)); data/step-20.04.0/step/clipboard.cc:131:12: [2] (misc) open: Check when opening files - can an attacker redirect it (via symlinks), force the opening of special file type (e.g., device files), move things around to create a race condition, control its ancestors, or change its contents? (CWE-362). buffer.open(QBuffer::WriteOnly); data/step-20.04.0/step/clipboard.cc:159:12: [2] (misc) open: Check when opening files - can an attacker redirect it (via symlinks), force the opening of special file type (e.g., device files), move things around to create a race condition, control its ancestors, or change its contents? (CWE-362). buffer.open(QBuffer::ReadOnly); data/step-20.04.0/step/infobrowser.cc:159:21: [2] (misc) open: Check when opening files - can an attacker redirect it (via symlinks), force the opening of special file type (e.g., device files), move things around to create a race condition, control its ancestors, or change its contents? (CWE-362). if(file.open(QIODevice::ReadOnly | QIODevice::Text)) { data/step-20.04.0/step/latexformula.cc:92:19: [2] (misc) open: Check when opening files - can an attacker redirect it (via symlinks), force the opening of special file type (e.g., device files), move things around to create a race condition, control its ancestors, or change its contents? (CWE-362). if(!latexFile.open(QIODevice::WriteOnly)) { data/step-20.04.0/step/latexformula.cc:126:17: [2] (misc) open: Check when opening files - can an attacker redirect it (via symlinks), force the opening of special file type (e.g., device files), move things around to create a race condition, control its ancestors, or change its contents? (CWE-362). if(!pngFile.open(QIODevice::ReadOnly)) { data/step-20.04.0/step/mainwindow.cc:141:22: [2] (misc) open: Check when opening files - can an attacker redirect it (via symlinks), force the opening of special file type (e.g., device files), move things around to create a race condition, control its ancestors, or change its contents? (CWE-362). KStandardAction::open(this, SLOT(openFile()), actionCollection()); data/step-20.04.0/step/mainwindow.cc:365:15: [2] (misc) open: Check when opening files - can an attacker redirect it (via symlinks), force the opening of special file type (e.g., device files), move things around to create a race condition, control its ancestors, or change its contents? (CWE-362). if(!file->open(QIODevice::WriteOnly | QIODevice::Text)) { data/step-20.04.0/step/toolgraphics.cc:647:14: [2] (misc) open: Check when opening files - can an attacker redirect it (via symlinks), force the opening of special file type (e.g., device files), move things around to create a race condition, control its ancestors, or change its contents? (CWE-362). tempFile.open(); data/step-20.04.0/stepcore/world.cc:611:10: [2] (buffer) memcpy: Does not check for buffer overflows when copying to destination (CWE-120). Make sure destination can always hold the source data. std::memcpy(f, y+_variablesCount, _variablesCount*sizeof(*f)); data/step-20.04.0/stepcore/world.cc:612:19: [2] (buffer) memcpy: Does not check for buffer overflows when copying to destination (CWE-120). Make sure destination can always hold the source data. if(fvar) std::memcpy(fvar, y+_variablesCount, _variablesCount*sizeof(*fvar)); data/step-20.04.0/stepcore/object.h:293:53: [1] (buffer) read: Check buffer boundaries if used in a loop including recursive loops (CWE-120, CWE-20). template<T (C::*_read)() const> static QVariant read(const Object* obj) { data/step-20.04.0/stepcore/object.h:296:60: [1] (buffer) read: Check buffer boundaries if used in a loop including recursive loops (CWE-120, CWE-20). template<const T& (C::*_read)() const> static QVariant read(const Object* obj) { data/step-20.04.0/stepcore/object.h:386:55: [1] (buffer) read: Check buffer boundaries if used in a loop including recursive loops (CWE-120, CWE-20). StepCore::MetaPropertyHelper<_thisType, _type>::read<&_thisType::_read>, \ data/step-20.04.0/stepcore/object.h:395:55: [1] (buffer) read: Check buffer boundaries if used in a loop including recursive loops (CWE-120, CWE-20). StepCore::MetaPropertyHelper<_thisType, _type>::read<&_thisType::_read>, \ ANALYSIS SUMMARY: Hits = 15 Lines analyzed = 26178 in approximately 0.92 seconds (28430 lines/second) Physical Source Lines of Code (SLOC) = 16725 Hits@level = [0] 1 [1] 4 [2] 10 [3] 1 [4] 0 [5] 0 Hits@level+ = [0+] 16 [1+] 15 [2+] 11 [3+] 1 [4+] 0 [5+] 0 Hits/KSLOC@level+ = [0+] 0.956652 [1+] 0.896861 [2+] 0.657698 [3+] 0.0597907 [4+] 0 [5+] 0 Dot directories skipped = 1 (--followdotdir overrides) Minimum risk level = 1 Not every hit is necessarily a security vulnerability. There may be other security vulnerabilities; review your code! See 'Secure Programming HOWTO' (https://dwheeler.com/secure-programs) for more information.