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-rwxr-xr-xcontrib/devtools/security-check.py14
1 files changed, 13 insertions, 1 deletions
diff --git a/contrib/devtools/security-check.py b/contrib/devtools/security-check.py
index 65a80b4102..9444271bdc 100755
--- a/contrib/devtools/security-check.py
+++ b/contrib/devtools/security-check.py
@@ -158,6 +158,17 @@ def check_PE_HIGH_ENTROPY_VA(executable):
reqbits = 0
return (bits & reqbits) == reqbits
+def check_PE_RELOC_SECTION(executable) -> bool:
+ '''Check for a reloc section. This is required for functional ASLR.'''
+ p = subprocess.Popen([OBJDUMP_CMD, '-h', executable], stdout=subprocess.PIPE, stderr=subprocess.PIPE, stdin=subprocess.PIPE, universal_newlines=True)
+ (stdout, stderr) = p.communicate()
+ if p.returncode:
+ raise IOError('Error opening file')
+ for line in stdout.splitlines():
+ if '.reloc' in line:
+ return True
+ return False
+
def check_PE_NX(executable):
'''NX: DllCharacteristics bit 0x100 signifies nxcompat (DEP)'''
(arch,bits) = get_PE_dll_characteristics(executable)
@@ -247,7 +258,8 @@ CHECKS = {
'PE': [
('DYNAMIC_BASE', check_PE_DYNAMIC_BASE),
('HIGH_ENTROPY_VA', check_PE_HIGH_ENTROPY_VA),
- ('NX', check_PE_NX)
+ ('NX', check_PE_NX),
+ ('RELOC_SECTION', check_PE_RELOC_SECTION)
],
'MACHO': [
('PIE', check_MACHO_PIE),