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CWE and CVSS raw data #313

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merged 4 commits into from
Feb 21, 2025
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Merged

CWE and CVSS raw data #313

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235d15f
Add a CWE array to the support #309
SashaTail Feb 7, 2025
4496680
Bump vers
SashaTail Feb 7, 2025
e313b59
Support raw cvss data
SashaTail Feb 18, 2025
e6648bc
Merge branch 'master' into develop
P-T-I Feb 21, 2025
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2 changes: 1 addition & 1 deletion CveXplore/VERSION
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Original file line number Diff line number Diff line change
@@ -1 +1 @@
0.3.36
0.3.37
1 change: 1 addition & 0 deletions CveXplore/core/database_indexer/db_indexer.py
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Expand Up @@ -53,6 +53,7 @@ def __init__(self, datasource: DatabaseConnectionBase):
MongoAddIndex(index=[("cvss", ASCENDING)], name="cvss"),
MongoAddIndex(index=[("cvss3", ASCENDING)], name="cvss3"),
MongoAddIndex(index=[("cvss4", ASCENDING)], name="cvss4"),
MongoAddIndex(index=[("cvss_data", ASCENDING)], name="cvss_data"),
MongoAddIndex(index=[("summary", TEXT)], name="summary"),
MongoAddIndex(index=[("vendors", ASCENDING)], name="vendors"),
MongoAddIndex(index=[("products", ASCENDING)], name="products"),
Expand Down
144 changes: 136 additions & 8 deletions CveXplore/core/database_maintenance/sources_process.py
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Expand Up @@ -2,6 +2,7 @@
import glob
import hashlib
import json
import re
import shutil
import time
from typing import Any, Tuple
Expand Down Expand Up @@ -592,6 +593,123 @@ def process_the_item(self, item: dict = None):
else:
cve["cvss"] = None

cve["cvss_data"] = {"cvss2": {}, "cvss3": {}, "cvss4": {}}

for version in [
"cvssMetricV40",
"cvssMetricV31",
"cvssMetricV30",
"cvssMetricV2",
]:
if version in item["cve"]["metrics"]:
for metric in item["cve"]["metrics"][version]:
cvss_key = (
"cvss4"
if version == "cvssMetricV40"
else (
"cvss3"
if version in ["cvssMetricV31", "cvssMetricV30"]
else "cvss2"
)
)
source = metric["source"]

entry = {
"type": metric["type"],
"vectorString": metric["cvssData"]["vectorString"],
"baseScore": metric["cvssData"]["baseScore"],
}

if cvss_key == "cvss4":
entry.update(
{
"vulnerable_system_confidentiality": metric[
"cvssData"
].get("vulnerableSystemConfidentiality"),
"vulnerable_system_integrity": metric["cvssData"].get(
"vulnerableSystemIntegrity"
),
"vulnerable_system_availability": metric[
"cvssData"
].get("vulnerableSystemAvailability"),
"subsequent_system_confidentiality": metric[
"cvssData"
].get("subsequentSystemConfidentiality"),
"subsequent_system_integrity": metric["cvssData"].get(
"subsequentSystemIntegrity"
),
"subsequent_system_availability": metric[
"cvssData"
].get("subsequentSystemAvailability"),
"attackVector": metric["cvssData"].get("attackVector"),
"attackComplexity": metric["cvssData"].get(
"attackComplexity"
),
"attackRequirements": metric["cvssData"].get(
"attackRequirements"
),
"privilegesRequired": metric["cvssData"].get(
"privilegesRequired"
),
"userInteraction": metric["cvssData"].get(
"userInteraction"
),
"exploitMaturity": metric["cvssData"].get(
"exploitMaturity"
),
}
)
elif cvss_key == "cvss3":
entry.update(
{
"confidentialityImpact": metric["cvssData"].get(
"confidentialityImpact"
),
"integrityImpact": metric["cvssData"].get(
"integrityImpact"
),
"availabilityImpact": metric["cvssData"].get(
"availabilityImpact"
),
"attackVector": metric["cvssData"].get("attackVector"),
"attackComplexity": metric["cvssData"].get(
"attackComplexity"
),
"privilegesRequired": metric["cvssData"].get(
"privilegesRequired"
),
"userInteraction": metric["cvssData"].get(
"userInteraction"
),
"scope": metric["cvssData"].get("scope"),
}
)
elif cvss_key == "cvss2":
entry.update(
{
"authentication": metric["cvssData"].get(
"authentication"
),
"accessComplexity": metric["cvssData"].get(
"accessComplexity"
),
"accessVector": metric["cvssData"].get("accessVector"),
"confidentialityImpact": metric["cvssData"].get(
"confidentialityImpact"
),
"integrityImpact": metric["cvssData"].get(
"integrityImpact"
),
"availabilityImpact": metric["cvssData"].get(
"availabilityImpact"
),
}
)

if source not in cve["cvss_data"][cvss_key]:
cve["cvss_data"][cvss_key][source] = []
cve["cvss_data"][cvss_key][source].append(entry)

if "references" in item["cve"]:
cve["references"] = []
for ref in item["cve"]["references"]:
Expand Down Expand Up @@ -694,17 +812,27 @@ def process_the_item(self, item: dict = None):
self.stem(cpeuri["criteria"]),
)
if "weaknesses" in item["cve"]:
cwe_set = set()

for problem in item["cve"]["weaknesses"]:
for cwe in problem[
"description"
]: # NVD JSON not clear if we can get more than one CWE per CVE (until we take the last one) -
# NVD-CWE-Other??? list?
for cwe in problem.get("description", []):
if cwe["lang"] == "en":
cve["cwe"] = cwe["value"]
if not ("cwe" in cve):
cve["cwe"] = defaultvalue["cwe"]
cwe_set.add(cwe["value"])

cve["cwe"] = sorted(cwe_set)

# If at least one valid CWE exists, remove all "NVD-CWE-*" entries
if any(not re.match(r"^NVD-CWE-", cwe) for cwe in cve["cwe"]):
cve["cwe"] = [
cwe for cwe in cve["cwe"] if not re.match(r"^NVD-CWE-", cwe)
]

# If the list is empty after filtering, assign the default value
if not cve["cwe"]:
cve["cwe"] = [defaultvalue["cwe"]]
else:
cve["cwe"] = defaultvalue["cwe"]
# Assign the default value if "weaknesses" is not present
cve["cwe"] = [defaultvalue["cwe"]]

cve["vulnerable_configuration_cpe_2_2"] = []

Expand Down
1 change: 1 addition & 0 deletions CveXplore/database/helpers/generic_db.py
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Expand Up @@ -39,6 +39,7 @@ def __init__(self, collection: str):
"cvss",
"cvss3",
"cvss4",
"cvss_data",
"summary",
"vendors",
"products",
Expand Down
1 change: 1 addition & 0 deletions CveXplore/database/helpers/specific_db.pyi
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Expand Up @@ -5,6 +5,7 @@ class CvesDatabaseFunctions:
cvss: GenericDatabaseFieldsFunctions
cvss3: GenericDatabaseFieldsFunctions
cvss4: GenericDatabaseFieldsFunctions
cvss_data: GenericDatabaseFieldsFunctions
summary: GenericDatabaseFieldsFunctions
vendors: GenericDatabaseFieldsFunctions
products: GenericDatabaseFieldsFunctions
Expand Down
3 changes: 2 additions & 1 deletion CveXplore/database_models/models.py
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Expand Up @@ -126,7 +126,8 @@ class Cves(CveXploreBase):
cvssTime = Column(DateTime, doc="Time of the CVSS of the CVE")
cvssVector = Column(String(100), doc="Vector of the CVSS of the CVE")
configurations = Column(JSON, doc="Vulnerable configurations of the CVE")
cwe = Column(String(50), index=True, doc="Related CWEs to the CVE")
cvss_data = Column(JSON, doc="Raw cvss data")
cwe = Column(JSON, default=[], doc="Related CWEs to the CVE")
epss = Column(Float, index=True, doc="Epss of the CVE")
epssMetric = Column(JSON, doc="Epss metric of the CVE")
exploitabilityScore = Column(Float, doc="Exploitability Score of the CVE")
Expand Down