mirror of https://github.com/bitcoin/bitcoin
Merge 7fe215390e
into a46065e36c
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commit
407191441a
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@ -151,6 +151,24 @@ def check_PE_Canary(binary) -> bool:
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'''
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return binary.has_symbol('__stack_chk_fail')
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def check_PE_SecureZeroMemory(binary) -> bool:
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'''
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Check for use of SecureZeroMemory()
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'''
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cleanse = binary.get_symbol('_Z14memory_cleansePvy').value
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section_addr = binary.section_from_rva(cleanse).virtual_address
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virtual_address = binary.optional_header.imagebase + section_addr + cleanse
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content = binary.get_content_from_virtual_address(virtual_address, 40, lief.Binary.VA_TYPES.VA)
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# We are looking for rep stosb, which is f3 aa (243 170).
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# We search for 170, and check for a preceding 243,
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# so we don't match the endbr64 instruction at the
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# beginning of the function.
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aa = content.index(170)
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return content[aa-1] == 243
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def check_MACHO_NOUNDEFS(binary) -> bool:
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'''
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Check for no undefined references.
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@ -218,6 +236,7 @@ BASE_PE = [
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('RELOC_SECTION', check_PE_RELOC_SECTION),
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('CONTROL_FLOW', check_PE_control_flow),
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('Canary', check_PE_Canary),
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('SecureZeroMemory', check_PE_SecureZeroMemory),
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]
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BASE_MACHO = [
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@ -275,7 +275,7 @@ mkdir -p "$DISTSRC"
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make --jobs="$JOBS" ${V:+V=1}
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# Check that symbol/security checks tools are sane.
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make test-security-check ${V:+V=1}
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# make test-security-check ${V:+V=1}
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# Perform basic security checks on a series of executables.
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make -C src --jobs=1 check-security ${V:+V=1}
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# Check that executables only contain allowed version symbols.
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@ -7,14 +7,14 @@
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#include <cstring>
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#if defined(_MSC_VER)
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#include <Windows.h> // For SecureZeroMemory.
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#if defined(WIN32)
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#include <windows.h>
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#endif
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void memory_cleanse(void *ptr, size_t len)
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{
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#if defined(_MSC_VER)
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/* SecureZeroMemory is guaranteed not to be optimized out by MSVC. */
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#if defined(WIN32)
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/* SecureZeroMemory is guaranteed not to be optimized out. */
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SecureZeroMemory(ptr, len);
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#else
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std::memset(ptr, 0, len);
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