CVE-2022-27881 - Vulnerability Details - OpenCVE

Description

engine.c in slaacd in OpenBSD 6.9 and 7.0 before 2022-02-21 has a buffer overflow triggerable by an IPv6 router advertisement with more than seven nameservers. NOTE: privilege separation and pledge can prevent exploitation.

Published: 2022-03-25

Score: 7.5 High

EPSS: 1.1% Low

KEV: No

Impact:

Action:

Analysis

No analysis available yet.

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

Vendor Product Default status Versions

n/a

n/a

affected

Version	Status	Constraints
`n/a`	affected	—

Configuration 1 [-]

OR	cpe:2.3:a:openbsd:openbsd:6.9:::::::*
	cpe:2.3:a:openbsd:openbsd:7.0:::::::*

No data.

No data available yet.

Remediation

No remediation available yet.

Tracking

Sign in to view the affected projects.

Advisories

Source	ID	Title
EUVD	EUVD-2022-32369	engine.c in slaacd in OpenBSD 6.9 and 7.0 before 2022-02-21 has a buffer overflow triggerable by an IPv6 router advertisement with more than seven nameservers. NOTE: privilege separation and pledge can prevent exploitation.

No CVSS v4.0

Attack Vector Network

Attack Complexity Low

Privileges Required None

Scope Unchanged

Confidentiality Impact None

Integrity Impact None

Availability Impact High

User Interaction None

No CVSS v3.0

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 0.01083.

Key SSVC decision points have not yet been added.

References

Link	Providers
https://blog.quarkslab.com/heap-overflow-in-openbsds-slaacd-via-router-advertisement.html
https://ftp.openbsd.org/pub/OpenBSD/patches/6.9/common/030_slaacd.patch.sig
https://ftp.openbsd.org/pub/OpenBSD/patches/7.0/common/014_slaacd.patch.sig
https://security.netapp.com/advisory/ntap-20220506-0005/

History

No history.

Subscriptions

Openbsd Openbsd

MITRE

Status: PUBLISHED

Assigner: mitre

Published: 2022-03-25T17:13:08.000Z

Updated: 2024-08-03T05:41:10.307Z

Reserved: 2022-03-25T00:00:00.000Z

Link: CVE-2022-27881

Vulnrichment

No data.

NVD

Status : Modified

Published: 2022-03-25T18:15:27.617

Modified: 2024-11-21T06:56:24.237

Link: CVE-2022-27881

Redhat

No data.

OpenCVE Enrichment

No data.

Weaknesses

CWE-120

{"containers": {"cna": {"affected": [{"product": "n/a", "vendor": "n/a", "versions": [{"status": "affected", "version": "n/a"}]}], "descriptions": [{"lang": "en", "value": "engine.c in slaacd in OpenBSD 6.9 and 7.0 before 2022-02-21 has a buffer overflow triggerable by an IPv6 router advertisement with more than seven nameservers. NOTE: privilege separation and pledge can prevent exploitation."}], "problemTypes": [{"descriptions": [{"description": "n/a", "lang": "en", "type": "text"}]}], "providerMetadata": {"dateUpdated": "2022-05-06T13:06:16.000Z", "orgId": "8254265b-2729-46b6-b9e3-3dfca2d5bfca", "shortName": "mitre"}, "references": [{"tags": ["x_refsource_MISC"], "url": "https://ftp.openbsd.org/pub/OpenBSD/patches/7.0/common/014_slaacd.patch.sig"}, {"tags": ["x_refsource_MISC"], "url": "https://blog.quarkslab.com/heap-overflow-in-openbsds-slaacd-via-router-advertisement.html"}, {"tags": ["x_refsource_MISC"], "url": "https://ftp.openbsd.org/pub/OpenBSD/patches/6.9/common/030_slaacd.patch.sig"}, {"tags": ["x_refsource_CONFIRM"], "url": "https://security.netapp.com/advisory/ntap-20220506-0005/"}], "x_legacyV4Record": {"CVE_data_meta": {"ASSIGNER": "cve@mitre.org", "ID": "CVE-2022-27881", "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": "engine.c in slaacd in OpenBSD 6.9 and 7.0 before 2022-02-21 has a buffer overflow triggerable by an IPv6 router advertisement with more than seven nameservers. NOTE: privilege separation and pledge can prevent exploitation."}]}, "problemtype": {"problemtype_data": [{"description": [{"lang": "eng", "value": "n/a"}]}]}, "references": {"reference_data": [{"name": "https://ftp.openbsd.org/pub/OpenBSD/patches/7.0/common/014_slaacd.patch.sig", "refsource": "MISC", "url": "https://ftp.openbsd.org/pub/OpenBSD/patches/7.0/common/014_slaacd.patch.sig"}, {"name": "https://blog.quarkslab.com/heap-overflow-in-openbsds-slaacd-via-router-advertisement.html", "refsource": "MISC", "url": "https://blog.quarkslab.com/heap-overflow-in-openbsds-slaacd-via-router-advertisement.html"}, {"name": "https://ftp.openbsd.org/pub/OpenBSD/patches/6.9/common/030_slaacd.patch.sig", "refsource": "MISC", "url": "https://ftp.openbsd.org/pub/OpenBSD/patches/6.9/common/030_slaacd.patch.sig"}, {"name": "https://security.netapp.com/advisory/ntap-20220506-0005/", "refsource": "CONFIRM", "url": "https://security.netapp.com/advisory/ntap-20220506-0005/"}]}}}, "adp": [{"providerMetadata": {"orgId": "af854a3a-2127-422b-91ae-364da2661108", "shortName": "CVE", "dateUpdated": "2024-08-03T05:41:10.307Z"}, "title": "CVE Program Container", "references": [{"tags": ["x_refsource_MISC", "x_transferred"], "url": "https://ftp.openbsd.org/pub/OpenBSD/patches/7.0/common/014_slaacd.patch.sig"}, {"tags": ["x_refsource_MISC", "x_transferred"], "url": "https://blog.quarkslab.com/heap-overflow-in-openbsds-slaacd-via-router-advertisement.html"}, {"tags": ["x_refsource_MISC", "x_transferred"], "url": "https://ftp.openbsd.org/pub/OpenBSD/patches/6.9/common/030_slaacd.patch.sig"}, {"tags": ["x_refsource_CONFIRM", "x_transferred"], "url": "https://security.netapp.com/advisory/ntap-20220506-0005/"}]}]}, "cveMetadata": {"assignerOrgId": "8254265b-2729-46b6-b9e3-3dfca2d5bfca", "assignerShortName": "mitre", "cveId": "CVE-2022-27881", "datePublished": "2022-03-25T17:13:08.000Z", "dateReserved": "2022-03-25T00:00:00.000Z", "dateUpdated": "2024-08-03T05:41:10.307Z", "state": "PUBLISHED"}, "dataType": "CVE_RECORD", "dataVersion": "5.1"}

{"configurations": [{"nodes": [{"cpeMatch": [{"criteria": "cpe:2.3:a:openbsd:openbsd:6.9:*:*:*:*:*:*:*", "matchCriteriaId": "D51D33B9-AB0D-4180-8CCC-0DE4A3C0151D", "vulnerable": true}, {"criteria": "cpe:2.3:a:openbsd:openbsd:7.0:*:*:*:*:*:*:*", "matchCriteriaId": "602D3C6F-C1FD-4FBF-9FC7-3E109E4E6FD5", "vulnerable": true}], "negate": false, "operator": "OR"}]}], "descriptions": [{"lang": "en", "value": "engine.c in slaacd in OpenBSD 6.9 and 7.0 before 2022-02-21 has a buffer overflow triggerable by an IPv6 router advertisement with more than seven nameservers. NOTE: privilege separation and pledge can prevent exploitation."}, {"lang": "es", "value": "El archivo engine.c en slaacd en OpenBSD versiones 6.9 y 7.0 anteriores a 21-02-2022, presenta un desbordamiento de b\u00fafer desencadenable por un anuncio de enrutador IPv6 con m\u00e1s de siete servidores de nombre. NOTA: la separaci\u00f3n de privilegios y la protecci\u00f3n pueden prevenir la explotaci\u00f3n"}], "id": "CVE-2022-27881", "lastModified": "2024-11-21T06:56:24.237", "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": "2022-03-25T18:15:27.617", "references": [{"source": "cve@mitre.org", "tags": ["Exploit", "Patch", "Third Party Advisory"], "url": "https://blog.quarkslab.com/heap-overflow-in-openbsds-slaacd-via-router-advertisement.html"}, {"source": "cve@mitre.org", "tags": ["Patch", "Release Notes", "Vendor Advisory"], "url": "https://ftp.openbsd.org/pub/OpenBSD/patches/6.9/common/030_slaacd.patch.sig"}, {"source": "cve@mitre.org", "tags": ["Patch", "Release Notes", "Vendor Advisory"], "url": "https://ftp.openbsd.org/pub/OpenBSD/patches/7.0/common/014_slaacd.patch.sig"}, {"source": "cve@mitre.org", "tags": ["Third Party Advisory"], "url": "https://security.netapp.com/advisory/ntap-20220506-0005/"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "tags": ["Exploit", "Patch", "Third Party Advisory"], "url": "https://blog.quarkslab.com/heap-overflow-in-openbsds-slaacd-via-router-advertisement.html"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "tags": ["Patch", "Release Notes", "Vendor Advisory"], "url": "https://ftp.openbsd.org/pub/OpenBSD/patches/6.9/common/030_slaacd.patch.sig"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "tags": ["Patch", "Release Notes", "Vendor Advisory"], "url": "https://ftp.openbsd.org/pub/OpenBSD/patches/7.0/common/014_slaacd.patch.sig"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "tags": ["Third Party Advisory"], "url": "https://security.netapp.com/advisory/ntap-20220506-0005/"}], "sourceIdentifier": "cve@mitre.org", "vulnStatus": "Modified", "weaknesses": [{"description": [{"lang": "en", "value": "CWE-120"}], "source": "nvd@nist.gov", "type": "Primary"}]}