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Add extract_cve_from_tag to Shadowserver parser _config.py #2457

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merged 3 commits into from
Feb 7, 2024
Merged

Add extract_cve_from_tag to Shadowserver parser _config.py #2457

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0aa53b4
Add extract_cve_from_tag to Shadowserver parser _config.py
th-certbund Feb 5, 2024
64a3702
Update functions map in Shadowserver parser _config.py
th-certbund Feb 5, 2024
3c32675
Change separator from comma to semicolon to prevent problems with par…
th-certbund Feb 6, 2024
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15 changes: 15 additions & 0 deletions intelmq/bots/parsers/shadowserver/_config.py
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Original file line number Diff line number Diff line change
Expand Up @@ -290,6 +290,20 @@ def category_or_detail(value: str, row: Dict[str, str]) -> str:
return row.get('detail', '')


def extract_cve_from_tag(tag: str) -> Optional[str]:
""" Returns a string with a sorted semicolon-separated list of CVEs or None if no CVE found in tag. """
cveset = set()
tags = tag.split(";")

for t in tags:
if re.match('^cve-[0-9]+-[0-9]+$', t):
cveset.add(t)

if not (len(cveset)):
return None
return (';'.join(str(c) for c in sorted(cveset)))


functions = {
'add_UTC_to_timestamp': add_UTC_to_timestamp,
'convert_bool': convert_bool,
Expand All @@ -308,6 +322,7 @@ def category_or_detail(value: str, row: Dict[str, str]) -> str:
'scan_exchange_type': scan_exchange_type,
'scan_exchange_identifier': scan_exchange_identifier,
'category_or_detail': category_or_detail,
'extract_cve_from_tag': extract_cve_from_tag,
}


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