adulau/git-vuln-finder
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new: [pattern] -p all will match all the patterns available and include

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the regexp matches in the output
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Alexandre Dulaunoy 2019-12-17 08:45:28 +01:00
parent 5146633989
commit 2d087a7b79
Signed by: adulau
GPG key ID: 09E2CD4944E6CBCD
1 changed files with 41 additions and 26 deletions
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67
bin/finder.py
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@ -15,13 +15,14 @@ import git
import json
import sys
import argparse
import typing
parser = argparse.ArgumentParser(description = "Finding potential software vulnerabilities from git commit messages.", epilog = "More info: https://github.com/cve-search/git-vuln-finder")
parser.add_argument("-v", help="increase output verbosity", action="store_true")
parser.add_argument("-r", type=str, help="git repository to analyse")
parser.add_argument("-o", type=str, help="Output format: [json]", default="json")
parser.add_argument("-s", type=str, help="State of the commit found", default="under-review")
parser.add_argument("-p", type=str, help="Matching pattern to use: [vulnpatterns, cryptopatterns, cpatterns]", default="vulnpatterns")
parser.add_argument("-p", type=str, help="Matching pattern to use: [vulnpatterns, cryptopatterns, cpatterns] - the pattern 'all' is used to match all the patterns at once.", default="vulnpatterns")
args = parser.parse_args()
vulnpatterns = re.compile("(?i)(denial of service |\bXXE\b|remote code execution|\bopen redirect|OSVDB|\bvuln|\bCVE\b |\bXSS\b|\bReDoS\b|\bNVD\b|malicious|x−frame−options|attack|cross site |exploit|malicious|directory traversal |\bRCE\b|\bdos\b|\bXSRF \b|\bXSS\b|clickjack|session.fixation|hijack|\badvisory|\binsecure |security |\bcross−origin\b|unauthori[z|s]ed |infinite loop)")
@ -36,6 +37,8 @@ elif args.p == "cryptopatterns":
defaultpattern = cryptopatterns
elif args.p == "cpatterns":
defaultpattern = cpatterns
elif args.p == "all":
defaultpattern = [vulnpatterns, cryptopatterns, cpatterns]
else:
parser.print_usage()
parser.exit()
@ -63,11 +66,29 @@ def find_vuln(commit, pattern=vulnpatterns):
ret['match'] = m.group(1)
return ret
else:
# print(commit.message)
return None
# print("Nothing match")
def summary(commit, branch, pattern):
rcommit = commit
if rcommit.hexsha in potential_vulnerabilities:
potential_vulnerabilities[rcommit.hexsha]['branches'].append(branch)
else:
potential_vulnerabilities[rcommit.hexsha] = {}
potential_vulnerabilities[rcommit.hexsha]['message'] = rcommit.message
potential_vulnerabilities[rcommit.hexsha]['commit-id'] = rcommit.hexsha
potential_vulnerabilities[rcommit.hexsha]['summary'] = rcommit.summary
potential_vulnerabilities[rcommit.hexsha]['stats'] = rcommit.stats.total
potential_vulnerabilities[rcommit.hexsha]['author'] = rcommit.author.name
potential_vulnerabilities[rcommit.hexsha]['author-email'] = rcommit.author.email
potential_vulnerabilities[rcommit.hexsha]['authored_date'] = rcommit.authored_date
potential_vulnerabilities[rcommit.hexsha]['committed_date'] = rcommit.committed_date
potential_vulnerabilities[rcommit.hexsha]['branches'] = []
potential_vulnerabilities[rcommit.hexsha]['branches'].append(branch)
potential_vulnerabilities[rcommit.hexsha]['pattern-selected'] = pattern.pattern
potential_vulnerabilities[rcommit.hexsha]['pattern-matches'] = ret['match']
potential_vulnerabilities[rcommit.hexsha]['state'] = args.s
return rcommit.hexsha
repo_heads = repo.heads
repo_heads_names = [h.name for h in repo_heads]
@ -76,31 +97,25 @@ print(repo_heads_names, file=sys.stderr)
for branch in repo_heads_names:
commits = list(repo.iter_commits(branch))
defaultpattern
for commit in commits:
ret = find_vuln(commit, pattern=defaultpattern)
if ret:
#print("Vulnerability found: {}".format(ret))
#print(ret.hexsha)
rcommit = ret['commit']
# Deduplication of commits on different branches
if rcommit.hexsha in potential_vulnerabilities:
potential_vulnerabilities[rcommit.hexsha]['branches'].append(branch)
else:
potential_vulnerabilities[rcommit.hexsha] = {}
potential_vulnerabilities[rcommit.hexsha]['message'] = rcommit.message
potential_vulnerabilities[rcommit.hexsha]['commit-id'] = rcommit.hexsha
potential_vulnerabilities[rcommit.hexsha]['summary'] = rcommit.summary
potential_vulnerabilities[rcommit.hexsha]['stats'] = rcommit.stats.total
potential_vulnerabilities[rcommit.hexsha]['author'] = rcommit.author.name
potential_vulnerabilities[rcommit.hexsha]['author-email'] = rcommit.author.email
potential_vulnerabilities[rcommit.hexsha]['authored_date'] = rcommit.authored_date
potential_vulnerabilities[rcommit.hexsha]['committed_date'] = rcommit.committed_date
potential_vulnerabilities[rcommit.hexsha]['branches'] = []
potential_vulnerabilities[rcommit.hexsha]['branches'].append(branch)
potential_vulnerabilities[rcommit.hexsha]['pattern-selected'] = args.p
potential_vulnerabilities[rcommit.hexsha]['pattern-matches'] = ret['match']
potential_vulnerabilities[rcommit.hexsha]['state'] = args.s
if isinstance(defaultpattern, typing.Pattern):
ret = find_vuln(commit, pattern=defaultpattern)
if ret:
#print("Vulnerability found: {}".format(ret))
#print(ret.hexsha)
rcommit = ret['commit']
summary(rcommit, branch, defaultpattern)
# Deduplication of commits on different branches
found += 1
elif isinstance(defaultpattern, list):
for p in defaultpattern:
ret = find_vuln(commit, pattern=p)
if ret:
rcommit = ret['commit']
summary(rcommit, branch, p)
found += 1
print(json.dumps(potential_vulnerabilities))
print("Total potential vulnerability found in {} commit(s)".format(found), file=sys.stderr)