adulau/git-vuln-finder
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new: [github-api] Add the API link to the GitHub commit if the git repository is from GitHub

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Alexandre Dulaunoy 2019-12-24 16:22:02 +01:00
parent a75ecdbc87
commit 9c6bccc4ae
Signed by: adulau
GPG key ID: 09E2CD4944E6CBCD
1 changed files with 19 additions and 4 deletions
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23
bin/finder.py
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@ -23,7 +23,7 @@ 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("-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("-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] - the pattern 'all' is used to match all the patterns at once.", 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")
parser.add_argument("-c", help="output only a list of the CVE pattern found in commit messages", action="store_true") parser.add_argument("-c", help="output only a list of the CVE pattern found in commit messages (disable by default)", action="store_true")
args = parser.parse_args() 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)") 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)")
@ -72,9 +72,20 @@ def find_vuln(commit, pattern=vulnpatterns):
else: else:
return None return None
def summary(commit, branch, pattern): def summary(commit, branch, pattern, origin=None):
rcommit = commit rcommit = commit
cve = extract_cve(rcommit.message) cve = extract_cve(rcommit.message)
if origin is not None:
origin = origin
if origin.find('github.com'):
origin_github_api = origin.split(':')[1]
(org_name, repo_name) = origin_github_api.split('/', 1)
if repo_name.find('.git$'):
repo_name = re.sub(r".git$","", repo_name)
origin_github_api = 'https://api.github.com/repos/{}/{}/commits/{}'.format(org_name, repo_name, rcommit.hexsha)
else:
origin = 'git origin unknown'
# deduplication if similar commits on different branches # deduplication if similar commits on different branches
if rcommit.hexsha in potential_vulnerabilities: if rcommit.hexsha in potential_vulnerabilities:
potential_vulnerabilities[rcommit.hexsha]['branches'].append(branch) potential_vulnerabilities[rcommit.hexsha]['branches'].append(branch)
@ -92,6 +103,9 @@ def summary(commit, branch, pattern):
potential_vulnerabilities[rcommit.hexsha]['branches'].append(branch) potential_vulnerabilities[rcommit.hexsha]['branches'].append(branch)
potential_vulnerabilities[rcommit.hexsha]['pattern-selected'] = pattern.pattern potential_vulnerabilities[rcommit.hexsha]['pattern-selected'] = pattern.pattern
potential_vulnerabilities[rcommit.hexsha]['pattern-matches'] = ret['match'] potential_vulnerabilities[rcommit.hexsha]['pattern-matches'] = ret['match']
potential_vulnerabilities[rcommit.hexsha]['origin'] = origin
if origin_github_api:
potential_vulnerabilities[commit.hexsha]['origin-github-api'] = origin_github_api
if cve: potential_vulnerabilities[rcommit.hexsha]['cve'] = cve if cve: potential_vulnerabilities[rcommit.hexsha]['cve'] = cve
if cve: if cve:
potential_vulnerabilities[rcommit.hexsha]['state'] = "cve-assigned" potential_vulnerabilities[rcommit.hexsha]['state'] = "cve-assigned"
@ -113,6 +127,7 @@ def extract_cve(commit):
repo_heads = repo.heads repo_heads = repo.heads
repo_heads_names = [h.name for h in repo_heads] repo_heads_names = [h.name for h in repo_heads]
print(repo_heads_names, file=sys.stderr) print(repo_heads_names, file=sys.stderr)
origin = repo.remotes.origin.url
for branch in repo_heads_names: for branch in repo_heads_names:
commits = list(repo.iter_commits(branch)) commits = list(repo.iter_commits(branch))
@ -123,14 +138,14 @@ for branch in repo_heads_names:
ret = find_vuln(commit, pattern=defaultpattern) ret = find_vuln(commit, pattern=defaultpattern)
if ret: if ret:
rcommit = ret['commit'] rcommit = ret['commit']
summary(rcommit, branch, defaultpattern) summary(rcommit, branch, defaultpattern, origin=origin)
found += 1 found += 1
elif isinstance(defaultpattern, list): elif isinstance(defaultpattern, list):
for p in defaultpattern: for p in defaultpattern:
ret = find_vuln(commit, pattern=p) ret = find_vuln(commit, pattern=p)
if ret: if ret:
rcommit = ret['commit'] rcommit = ret['commit']
summary(rcommit, branch, p) summary(rcommit, branch, p, origin=origin)
found += 1 found += 1
if not args.c: if not args.c:
print(json.dumps(potential_vulnerabilities)) print(json.dumps(potential_vulnerabilities))