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{
"id": "CVE-2024-43167",
"sourceIdentifier": "secalert@redhat.com",
"published": "2024-08-12T13:38:35.927",
"lastModified": "2024-08-12T13:41:36.517",
"vulnStatus": "Awaiting Analysis",
"cveTags": [],
"descriptions": [
{
"lang": "en",
"value": "A NULL pointer dereference flaw was found in the ub_ctx_set_fwd function in Unbound. This issue could allow an attacker who can invoke specific sequences of API calls to cause a segmentation fault. When certain API functions such as ub_ctx_set_fwd and ub_ctx_resolvconf are called in a particular order, the program attempts to read from a NULL pointer, leading to a crash. This issue can result in a denial of service by causing the application to terminate unexpectedly."
}
],
"metrics": {
"cvssMetricV31": [
{
"source": "secalert@redhat.com",
"type": "Secondary",
"cvssData": {
"version": "3.1",
"vectorString": "CVSS:3.1/AV:L/AC:L/PR:L/UI:R/S:U/C:N/I:N/A:L",
"attackVector": "LOCAL",
"attackComplexity": "LOW",
"privilegesRequired": "LOW",
"userInteraction": "REQUIRED",
"scope": "UNCHANGED",
"confidentialityImpact": "NONE",
"integrityImpact": "NONE",
"availabilityImpact": "LOW",
"baseScore": 2.8,
"baseSeverity": "LOW"
},
"exploitabilityScore": 1.3,
"impactScore": 1.4
}
]
},
"weaknesses": [
{
"source": "secalert@redhat.com",
"type": "Primary",
"description": [
{
"lang": "en",
"value": "CWE-476"
}
]
}
],
"references": [
{
"url": "https://access.redhat.com/security/cve/CVE-2024-43167",
"source": "secalert@redhat.com"
},
{
"url": "https://bugzilla.redhat.com/show_bug.cgi?id=2303456",
"source": "secalert@redhat.com"
},
{
"url": "https://github.com/NLnetLabs/unbound/issues/1072",
"source": "secalert@redhat.com"
},
{
"url": "https://github.com/NLnetLabs/unbound/pull/1073/files",
"source": "secalert@redhat.com"
}
]
}