CVE-2019-25040

{"containers": {"cna": {"affected": [{"product": "n/a", "vendor": "n/a", "versions": [{"status": "affected", "version": "n/a"}]}], "descriptions": [{"lang": "en", "value": "Unbound before 1.9.5 allows an infinite loop via a compressed name in dname_pkt_copy. NOTE: The vendor disputes that this is a vulnerability. Although the code may be vulnerable, a running Unbound installation cannot be remotely or locally exploited"}], "problemTypes": [{"descriptions": [{"description": "n/a", "lang": "en", "type": "text"}]}], "providerMetadata": {"dateUpdated": "2021-06-11T21:25:37.000Z", "orgId": "8254265b-2729-46b6-b9e3-3dfca2d5bfca", "shortName": "mitre"}, "references": [{"tags": ["x_refsource_MISC"], "url": "https://ostif.org/our-audit-of-unbound-dns-by-x41-d-sec-full-results/"}, {"name": "[debian-lts-announce] 20210506 [SECURITY] [DLA 2652-1] unbound1.9 security update", "tags": ["mailing-list", "x_refsource_MLIST"], "url": "https://lists.debian.org/debian-lts-announce/2021/05/msg00007.html"}, {"tags": ["x_refsource_CONFIRM"], "url": "https://security.netapp.com/advisory/ntap-20210507-0007/"}], "tags": ["disputed"], "x_legacyV4Record": {"CVE_data_meta": {"ASSIGNER": "cve@mitre.org", "ID": "CVE-2019-25040", "STATE": "PUBLIC"}, "affects": {"vendor": {"vendor_data": [{"product": {"product_data": [{"product_name": "n/a", "version": {"version_data": [{"version_value": "n/a"}]}}]}, "vendor_name": "n/a"}]}}, "data_format": "MITRE", "data_type": "CVE", "data_version": "4.0", "description": {"description_data": [{"lang": "eng", "value": "** DISPUTED ** Unbound before 1.9.5 allows an infinite loop via a compressed name in dname_pkt_copy. NOTE: The vendor disputes that this is a vulnerability. Although the code may be vulnerable, a running Unbound installation cannot be remotely or locally exploited."}]}, "problemtype": {"problemtype_data": [{"description": [{"lang": "eng", "value": "n/a"}]}]}, "references": {"reference_data": [{"name": "https://ostif.org/our-audit-of-unbound-dns-by-x41-d-sec-full-results/", "refsource": "MISC", "url": "https://ostif.org/our-audit-of-unbound-dns-by-x41-d-sec-full-results/"}, {"name": "[debian-lts-announce] 20210506 [SECURITY] [DLA 2652-1] unbound1.9 security update", "refsource": "MLIST", "url": "https://lists.debian.org/debian-lts-announce/2021/05/msg00007.html"}, {"name": "https://security.netapp.com/advisory/ntap-20210507-0007/", "refsource": "CONFIRM", "url": "https://security.netapp.com/advisory/ntap-20210507-0007/"}]}}}, "adp": [{"providerMetadata": {"orgId": "af854a3a-2127-422b-91ae-364da2661108", "shortName": "CVE", "dateUpdated": "2024-08-05T03:00:18.950Z"}, "title": "CVE Program Container", "references": [{"tags": ["x_refsource_MISC", "x_transferred"], "url": "https://ostif.org/our-audit-of-unbound-dns-by-x41-d-sec-full-results/"}, {"name": "[debian-lts-announce] 20210506 [SECURITY] [DLA 2652-1] unbound1.9 security update", "tags": ["mailing-list", "x_refsource_MLIST", "x_transferred"], "url": "https://lists.debian.org/debian-lts-announce/2021/05/msg00007.html"}, {"tags": ["x_refsource_CONFIRM", "x_transferred"], "url": "https://security.netapp.com/advisory/ntap-20210507-0007/"}]}]}, "cveMetadata": {"assignerOrgId": "8254265b-2729-46b6-b9e3-3dfca2d5bfca", "assignerShortName": "mitre", "cveId": "CVE-2019-25040", "datePublished": "2021-04-27T05:16:44.000Z", "dateReserved": "2021-04-27T00:00:00.000Z", "dateUpdated": "2024-08-05T03:00:18.950Z", "state": "PUBLISHED"}, "dataType": "CVE_RECORD", "dataVersion": "5.1"}

{}

{"affected": [{"affectedData": [{"product": "n/a", "vendor": "n/a", "versions": [{"status": "affected", "version": "n/a"}]}], "source": "cve@mitre.org"}], "configurations": [{"nodes": [{"cpeMatch": [{"criteria": "cpe:2.3:a:nlnetlabs:unbound:*:*:*:*:*:*:*:*", "matchCriteriaId": "72F8E390-7D6B-4981-8F5B-E92C817A3A3D", "versionEndExcluding": "1.9.5", "vulnerable": true}], "negate": false, "operator": "OR"}]}, {"nodes": [{"cpeMatch": [{"criteria": "cpe:2.3:o:debian:debian_linux:9.0:*:*:*:*:*:*:*", "matchCriteriaId": "DEECE5FC-CACF-4496-A3E7-164736409252", "vulnerable": true}], "negate": false, "operator": "OR"}]}], "cveTags": [{"sourceIdentifier": "cve@mitre.org", "tags": ["disputed"]}], "descriptions": [{"lang": "en", "value": "Unbound before 1.9.5 allows an infinite loop via a compressed name in dname_pkt_copy. NOTE: The vendor disputes that this is a vulnerability. Although the code may be vulnerable, a running Unbound installation cannot be remotely or locally exploited"}, {"lang": "es", "value": "** EN DISPUTA ** Unbound versiones anteriores a 1.9.5, permite un bucle infinito por medio de un nombre comprimido en la funci\u00f3n dname_pkt_copy. NOTA: El proveedor niega que esto sea una vulnerabilidad. Aunque el c\u00f3digo puede ser vulnerable, una instalaci\u00f3n de Unbound en funcionamiento no puede ser explotada de forma remota o local."}], "id": "CVE-2019-25040", "lastModified": "2026-06-17T02:31:32.123", "metrics": {"cvssMetricV2": [{"acInsufInfo": false, "baseSeverity": "MEDIUM", "cvssData": {"accessComplexity": "LOW", "accessVector": "NETWORK", "authentication": "NONE", "availabilityImpact": "PARTIAL", "baseScore": 5.0, "confidentialityImpact": "NONE", "integrityImpact": "NONE", "vectorString": "AV:N/AC:L/Au:N/C:N/I:N/A:P", "version": "2.0"}, "exploitabilityScore": 10.0, "impactScore": 2.9, "obtainAllPrivilege": false, "obtainOtherPrivilege": false, "obtainUserPrivilege": false, "source": "nvd@nist.gov", "type": "Primary", "userInteractionRequired": false}], "cvssMetricV31": [{"cvssData": {"attackComplexity": "LOW", "attackVector": "NETWORK", "availabilityImpact": "HIGH", "baseScore": 7.5, "baseSeverity": "HIGH", "confidentialityImpact": "NONE", "integrityImpact": "NONE", "privilegesRequired": "NONE", "scope": "UNCHANGED", "userInteraction": "NONE", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H", "version": "3.1"}, "exploitabilityScore": 3.9, "impactScore": 3.6, "source": "nvd@nist.gov", "type": "Primary"}]}, "published": "2021-04-27T06:15:07.700", "references": [{"source": "cve@mitre.org", "tags": ["Mailing List", "Third Party Advisory"], "url": "https://lists.debian.org/debian-lts-announce/2021/05/msg00007.html"}, {"source": "cve@mitre.org", "tags": ["Patch", "Third Party Advisory"], "url": "https://ostif.org/our-audit-of-unbound-dns-by-x41-d-sec-full-results/"}, {"source": "cve@mitre.org", "tags": ["Third Party Advisory"], "url": "https://security.netapp.com/advisory/ntap-20210507-0007/"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "tags": ["Mailing List", "Third Party Advisory"], "url": "https://lists.debian.org/debian-lts-announce/2021/05/msg00007.html"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "tags": ["Patch", "Third Party Advisory"], "url": "https://ostif.org/our-audit-of-unbound-dns-by-x41-d-sec-full-results/"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "tags": ["Third Party Advisory"], "url": "https://security.netapp.com/advisory/ntap-20210507-0007/"}], "sourceIdentifier": "cve@mitre.org", "vulnStatus": "Modified", "weaknesses": [{"description": [{"lang": "en", "value": "CWE-835"}], "source": "nvd@nist.gov", "type": "Primary"}]}

{"affected_release": [{"advisory": "RHSA-2021:1853", "cpe": "cpe:/a:redhat:enterprise_linux:8", "package": "unbound-0:1.7.3-15.el8", "product_name": "Red Hat Enterprise Linux 8", "release_date": "2021-05-18T00:00:00Z"}, {"advisory": "RHSA-2022:0632", "cpe": "cpe:/a:redhat:rhel_eus:8.2", "package": "unbound-0:1.7.3-12.el8_2", "product_name": "Red Hat Enterprise Linux 8.2 Extended Update Support", "release_date": "2022-02-22T00:00:00Z"}], "bugzilla": {"description": "unbound: infinite loop via a compressed name in dname_pkt_copy", "id": "1954799", "url": "https://bugzilla.redhat.com/show_bug.cgi?id=1954799"}, "csaw": false, "cvss3": {"cvss3_base_score": "7.5", "cvss3_scoring_vector": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H", "status": "verified"}, "cwe": "CWE-835", "details": ["Unbound before 1.9.5 allows an infinite loop via a compressed name in dname_pkt_copy. NOTE: The vendor disputes that this is a vulnerability. Although the code may be vulnerable, a running Unbound installation cannot be remotely or locally exploited", "A flaw was found in unbound. An infinite loop in dname_pkt_copy function could be triggered by a remote attacker. The highest threat from this vulnerability is to service availability."], "name": "CVE-2019-25040", "package_state": [{"cpe": "cpe:/o:redhat:enterprise_linux:6", "fix_state": "Out of support scope", "package_name": "unbound", "product_name": "Red Hat Enterprise Linux 6"}, {"cpe": "cpe:/o:redhat:enterprise_linux:7", "fix_state": "Out of support scope", "package_name": "unbound", "product_name": "Red Hat Enterprise Linux 7"}, {"cpe": "cpe:/o:redhat:enterprise_linux:9", "fix_state": "Not affected", "package_name": "unbound", "product_name": "Red Hat Enterprise Linux 9"}], "public_date": "2019-12-11T00:00:00Z", "references": ["https://www.cve.org/CVERecord?id=CVE-2019-25040\nhttps://nvd.nist.gov/vuln/detail/CVE-2019-25040"], "statement": "There is no available reproducer or proof of concept for this issue, nor it was ever proven the infinite loop can be triggered in practice. Indeed in the original report this issue was considered one that might not be triggered and for this reason its Impact is Moderate. Upstream has also disputed this CVE.", "threat_severity": "Moderate"}

{}