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Add: Added support for CVSS 4.0 fields in CVEs. #2212

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Jun 3, 2024
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Add: Added support for CVSS 4.0 fields in CVEs. #2212

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39 changes: 26 additions & 13 deletions src/manage_sql_secinfo.c
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Original file line number Diff line number Diff line change
Expand Up @@ -2491,7 +2491,6 @@ static int
insert_cve_from_entry (element_t entry, element_t last_modified,
GHashTable *hashed_cpes, int *transaction_size)
{
gboolean cvss_is_v3;
element_t published, summary, cvss, score, base_metrics, cvss_vector, list;
double severity_dbl;
gchar *quoted_id, *quoted_summary, *quoted_cvss_vector;
Expand All @@ -2518,21 +2517,36 @@ insert_cve_from_entry (element_t entry, element_t last_modified,
return -1;
}

cvss = element_child (entry, "vuln:cvss3");
gchar *base_metrics_element = "cvss:base_metrics";
gchar *score_element = "cvss:score";
gchar *cvss_vector_element = "cvss:vector-string";

cvss = element_child (entry, "vuln:cvss4");
if (cvss == NULL)
{
cvss = element_child (entry, "vuln:cvss");
cvss_is_v3 = FALSE;
cvss = element_child (entry, "vuln:cvss3");
if (cvss == NULL)
{
cvss = element_child (entry, "vuln:cvss");
}
else
{
base_metrics_element = "cvss3:base_metrics";
score_element = "cvss3:base-score";
cvss_vector_element = "cvss3:vector-string";
}
}
else
cvss_is_v3 = TRUE;
{
base_metrics_element = "cvss4:base_metrics";
score_element = "cvss4:base-score";
cvss_vector_element = "cvss4:vector-string";
}

if (cvss == NULL)
base_metrics = NULL;
else
base_metrics = element_child (cvss,
cvss_is_v3 ? "cvss3:base_metrics"
: "cvss:base_metrics");
base_metrics = element_child (cvss, base_metrics_element);

if (base_metrics == NULL)
{
Expand All @@ -2541,18 +2555,17 @@ insert_cve_from_entry (element_t entry, element_t last_modified,
}
else
{
score = element_child (base_metrics,
cvss_is_v3 ? "cvss3:base-score" : "cvss:score");
score = element_child (base_metrics, score_element);

if (score == NULL)
{
g_warning ("%s: cvss:score missing for %s", __func__, id);
g_free (id);
return -1;
}

cvss_vector = element_child (base_metrics,
cvss_is_v3 ? "cvss3:vector-string"
: "cvss:vector-string");
cvss_vector = element_child (base_metrics, cvss_vector_element);

if (cvss_vector == NULL)
{
g_warning ("%s: cvss:access-vector missing for %s", __func__, id);
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