CVE-2018-16855 - Vulnerability Details - OpenCVE

Description

An issue has been found in PowerDNS Recursor before version 4.1.8 where a remote attacker sending a DNS query can trigger an out-of-bounds memory read while computing the hash of the query for a packet cache lookup, possibly leading to a crash.

Published: 2018-12-03

Score: 7.5 High

EPSS: 19.8% Moderate

KEV: No

Impact:

Action:

Analysis

Analysis and contextual insights are available on OpenCVE Cloud.

Default status is the baseline for the product, each version can override it (e.g. patched versions marked unaffected).

Vendor Product Default status Versions

[UNKNOWN]

pdns-recursor

affected

Version	Status	Constraints
`4.1.8`	affected	—

Configuration 1 [-]

cpe:2.3:a:powerdns:recursor:*:*:*:*:*:*:*:*

No data.

No data available yet.

Remediation

No vendor fix or workaround currently provided.

Additional remediation guidance may be available on OpenCVE Cloud.

Tracking

Sign in to view the affected projects.

Advisories

No advisories yet.

No CVSS v4.0

No CVSS v3.1

Attack Vector Network

Attack Complexity Low

Privileges Required None

Scope Unchanged

Confidentiality Impact None

Integrity Impact None

Availability Impact High

User Interaction None

Access Vector Network

Access Complexity Low

Authentication None

Confidentiality Impact None

Integrity Impact None

Availability Impact Partial

This CVE is not in the KEV list.

The EPSS score is 0.19834.

Key SSVC decision points have not yet been added.

References

Link	Providers
https://bugzilla.redhat.com/show_bug.cgi?id=CVE-2018-16855
https://docs.powerdns.com/recursor/security-advisories/powerdns-advisory-2018-09.html

History

No history.

Subscriptions

Powerdns Recursor

MITRE

Status: PUBLISHED

Assigner: redhat

Published: 2018-12-03T14:00:00.000Z

Updated: 2024-08-05T10:32:54.074Z

Reserved: 2018-09-11T00:00:00.000Z

Link: CVE-2018-16855

Vulnrichment

No data.

NVD

Status : Modified

Published: 2018-12-03T14:29:00.257

Modified: 2024-11-21T03:53:27.307

Link: CVE-2018-16855

Redhat

No data.

OpenCVE Enrichment

No data.

Weaknesses

CWE-125

{"containers": {"cna": {"affected": [{"product": "pdns-recursor", "vendor": "[UNKNOWN]", "versions": [{"status": "affected", "version": "4.1.8"}]}], "datePublic": "2018-11-26T00:00:00.000Z", "descriptions": [{"lang": "en", "value": "An issue has been found in PowerDNS Recursor before version 4.1.8 where a remote attacker sending a DNS query can trigger an out-of-bounds memory read while computing the hash of the query for a packet cache lookup, possibly leading to a crash."}], "metrics": [{"cvssV3_0": {"attackComplexity": "LOW", "attackVector": "NETWORK", "availabilityImpact": "HIGH", "baseScore": 7.5, "baseSeverity": "HIGH", "confidentialityImpact": "NONE", "integrityImpact": "NONE", "privilegesRequired": "NONE", "scope": "UNCHANGED", "userInteraction": "NONE", "vectorString": "CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H", "version": "3.0"}}], "problemTypes": [{"descriptions": [{"cweId": "CWE-125", "description": "CWE-125", "lang": "en", "type": "CWE"}]}], "providerMetadata": {"dateUpdated": "2018-12-03T13:57:01.000Z", "orgId": "53f830b8-0a3f-465b-8143-3b8a9948e749", "shortName": "redhat"}, "references": [{"tags": ["x_refsource_CONFIRM"], "url": "https://bugzilla.redhat.com/show_bug.cgi?id=CVE-2018-16855"}, {"tags": ["x_refsource_MISC"], "url": "https://docs.powerdns.com/recursor/security-advisories/powerdns-advisory-2018-09.html"}], "x_legacyV4Record": {"CVE_data_meta": {"ASSIGNER": "secalert@redhat.com", "ID": "CVE-2018-16855", "STATE": "PUBLIC"}, "affects": {"vendor": {"vendor_data": [{"product": {"product_data": [{"product_name": "pdns-recursor", "version": {"version_data": [{"version_value": "4.1.8"}]}}]}, "vendor_name": "[UNKNOWN]"}]}}, "data_format": "MITRE", "data_type": "CVE", "data_version": "4.0", "description": {"description_data": [{"lang": "eng", "value": "An issue has been found in PowerDNS Recursor before version 4.1.8 where a remote attacker sending a DNS query can trigger an out-of-bounds memory read while computing the hash of the query for a packet cache lookup, possibly leading to a crash."}]}, "impact": {"cvss": [[{"vectorString": "7.5/CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H", "version": "3.0"}]]}, "problemtype": {"problemtype_data": [{"description": [{"lang": "eng", "value": "CWE-125"}]}]}, "references": {"reference_data": [{"name": "https://bugzilla.redhat.com/show_bug.cgi?id=CVE-2018-16855", "refsource": "CONFIRM", "url": "https://bugzilla.redhat.com/show_bug.cgi?id=CVE-2018-16855"}, {"name": "https://docs.powerdns.com/recursor/security-advisories/powerdns-advisory-2018-09.html", "refsource": "MISC", "url": "https://docs.powerdns.com/recursor/security-advisories/powerdns-advisory-2018-09.html"}]}}}, "adp": [{"providerMetadata": {"orgId": "af854a3a-2127-422b-91ae-364da2661108", "shortName": "CVE", "dateUpdated": "2024-08-05T10:32:54.074Z"}, "title": "CVE Program Container", "references": [{"tags": ["x_refsource_CONFIRM", "x_transferred"], "url": "https://bugzilla.redhat.com/show_bug.cgi?id=CVE-2018-16855"}, {"tags": ["x_refsource_MISC", "x_transferred"], "url": "https://docs.powerdns.com/recursor/security-advisories/powerdns-advisory-2018-09.html"}]}]}, "cveMetadata": {"assignerOrgId": "53f830b8-0a3f-465b-8143-3b8a9948e749", "assignerShortName": "redhat", "cveId": "CVE-2018-16855", "datePublished": "2018-12-03T14:00:00.000Z", "dateReserved": "2018-09-11T00:00:00.000Z", "dateUpdated": "2024-08-05T10:32:54.074Z", "state": "PUBLISHED"}, "dataType": "CVE_RECORD", "dataVersion": "5.1"}

{"configurations": [{"nodes": [{"cpeMatch": [{"criteria": "cpe:2.3:a:powerdns:recursor:*:*:*:*:*:*:*:*", "matchCriteriaId": "64CEF467-CBA0-4ADA-B42F-967407FEAA1D", "versionEndExcluding": "4.1.8", "vulnerable": true}], "negate": false, "operator": "OR"}]}], "descriptions": [{"lang": "en", "value": "An issue has been found in PowerDNS Recursor before version 4.1.8 where a remote attacker sending a DNS query can trigger an out-of-bounds memory read while computing the hash of the query for a packet cache lookup, possibly leading to a crash."}, {"lang": "es", "value": "Se ha detectado un problema en PowerDNS Recursor en versiones anteriores a la 4.1.8 en donde un atacante remoto que env\u00ede una consulta DNS puede desencadenar una lectura de memoria fuera de l\u00edmites cuando procesa el hash de la consulta para una b\u00fasqueda de memoria cach\u00e9 de los paquetes, posiblemente conduciendo a a un cierre inesperado."}], "id": "CVE-2018-16855", "lastModified": "2024-11-21T03:53:27.307", "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}], "cvssMetricV30": [{"cvssData": {"attackComplexity": "LOW", "attackVector": "NETWORK", "availabilityImpact": "HIGH", "baseScore": 7.5, "baseSeverity": "HIGH", "confidentialityImpact": "NONE", "integrityImpact": "NONE", "privilegesRequired": "NONE", "scope": "UNCHANGED", "userInteraction": "NONE", "vectorString": "CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H", "version": "3.0"}, "exploitabilityScore": 3.9, "impactScore": 3.6, "source": "secalert@redhat.com", "type": "Secondary"}, {"cvssData": {"attackComplexity": "LOW", "attackVector": "NETWORK", "availabilityImpact": "HIGH", "baseScore": 7.5, "baseSeverity": "HIGH", "confidentialityImpact": "NONE", "integrityImpact": "NONE", "privilegesRequired": "NONE", "scope": "UNCHANGED", "userInteraction": "NONE", "vectorString": "CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H", "version": "3.0"}, "exploitabilityScore": 3.9, "impactScore": 3.6, "source": "nvd@nist.gov", "type": "Primary"}]}, "published": "2018-12-03T14:29:00.257", "references": [{"source": "secalert@redhat.com", "tags": ["Issue Tracking", "Third Party Advisory"], "url": "https://bugzilla.redhat.com/show_bug.cgi?id=CVE-2018-16855"}, {"source": "secalert@redhat.com", "tags": ["Vendor Advisory"], "url": "https://docs.powerdns.com/recursor/security-advisories/powerdns-advisory-2018-09.html"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "tags": ["Issue Tracking", "Third Party Advisory"], "url": "https://bugzilla.redhat.com/show_bug.cgi?id=CVE-2018-16855"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "tags": ["Vendor Advisory"], "url": "https://docs.powerdns.com/recursor/security-advisories/powerdns-advisory-2018-09.html"}], "sourceIdentifier": "secalert@redhat.com", "vulnStatus": "Modified", "weaknesses": [{"description": [{"lang": "en", "value": "CWE-125"}], "source": "secalert@redhat.com", "type": "Secondary"}, {"description": [{"lang": "en", "value": "CWE-125"}], "source": "nvd@nist.gov", "type": "Primary"}]}