CVE-2017-9671 - Vulnerability Details - OpenCVE

Description

A heap overflow in apk (Alpine Linux's package manager) allows a remote attacker to cause a denial of service, or achieve code execution, by crafting a malicious APKINDEX.tar.gz file with a bad pax header block.

Published: 2017-07-17

Score: 7.8 High

EPSS: 4.1% Low

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

n/a

n/a

affected

Version	Status	Constraints
`n/a`	affected	—

Configuration 1 [-]

cpe:2.3:o:alpinelinux:alpine_linux:-:*:*:*:*:*:*:*

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

Source	ID	Title
EUVD	EUVD-2017-18602	A heap overflow in apk (Alpine Linux's package manager) allows a remote attacker to cause a denial of service, or achieve code execution, by crafting a malicious APKINDEX.tar.gz file with a bad pax header block.

No CVSS v4.0

No CVSS v3.1

Attack Vector Local

Attack Complexity Low

Privileges Required None

Scope Unchanged

Confidentiality Impact High

Integrity Impact High

Availability Impact High

User Interaction Required

Access Vector Network

Access Complexity Medium

Authentication None

Confidentiality Impact Partial

Integrity Impact Partial

Availability Impact Partial

This CVE is not in the KEV list.

The EPSS score is 0.04099.

Key SSVC decision points have not yet been added.

References

Link	Providers
http://www.openwall.com/lists/oss-security/2017/06/25/2
http://www.securityfocus.com/bid/99340
https://www.twistlock.com/2017/06/25/alpine-linux-vulnerability-discovery-code-execution-pt-1-2/

History

No history.

Subscriptions

Alpinelinux Alpine Linux

MITRE

Status: PUBLISHED

Assigner: mitre

Published: 2017-07-17T21:00:00.000Z

Updated: 2024-08-05T17:18:00.311Z

Reserved: 2017-06-15T00:00:00.000Z

Link: CVE-2017-9671

Vulnrichment

No data.

NVD

Status : Modified

Published: 2017-07-17T21:29:00.777

Modified: 2026-05-13T00:24:29.033

Link: CVE-2017-9671

Redhat

No data.

OpenCVE Enrichment

No data.

Weaknesses

CWE-119

{"containers": {"cna": {"affected": [{"product": "n/a", "vendor": "n/a", "versions": [{"status": "affected", "version": "n/a"}]}], "datePublic": "2017-06-25T00:00:00.000Z", "descriptions": [{"lang": "en", "value": "A heap overflow in apk (Alpine Linux's package manager) allows a remote attacker to cause a denial of service, or achieve code execution, by crafting a malicious APKINDEX.tar.gz file with a bad pax header block."}], "problemTypes": [{"descriptions": [{"description": "n/a", "lang": "en", "type": "text"}]}], "providerMetadata": {"dateUpdated": "2017-07-18T09:57:01.000Z", "orgId": "8254265b-2729-46b6-b9e3-3dfca2d5bfca", "shortName": "mitre"}, "references": [{"name": "[oss-security] 20170625 CVE-2017-9669 and CVE-2017-9671: Exploitable buffer overflows in apk (Alpine's package manager)", "tags": ["mailing-list", "x_refsource_MLIST"], "url": "http://www.openwall.com/lists/oss-security/2017/06/25/2"}, {"name": "99340", "tags": ["vdb-entry", "x_refsource_BID"], "url": "http://www.securityfocus.com/bid/99340"}, {"tags": ["x_refsource_MISC"], "url": "https://www.twistlock.com/2017/06/25/alpine-linux-vulnerability-discovery-code-execution-pt-1-2/"}], "x_legacyV4Record": {"CVE_data_meta": {"ASSIGNER": "cve@mitre.org", "ID": "CVE-2017-9671", "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": "A heap overflow in apk (Alpine Linux's package manager) allows a remote attacker to cause a denial of service, or achieve code execution, by crafting a malicious APKINDEX.tar.gz file with a bad pax header block."}]}, "problemtype": {"problemtype_data": [{"description": [{"lang": "eng", "value": "n/a"}]}]}, "references": {"reference_data": [{"name": "[oss-security] 20170625 CVE-2017-9669 and CVE-2017-9671: Exploitable buffer overflows in apk (Alpine's package manager)", "refsource": "MLIST", "url": "http://www.openwall.com/lists/oss-security/2017/06/25/2"}, {"name": "99340", "refsource": "BID", "url": "http://www.securityfocus.com/bid/99340"}, {"name": "https://www.twistlock.com/2017/06/25/alpine-linux-vulnerability-discovery-code-execution-pt-1-2/", "refsource": "MISC", "url": "https://www.twistlock.com/2017/06/25/alpine-linux-vulnerability-discovery-code-execution-pt-1-2/"}]}}}, "adp": [{"providerMetadata": {"orgId": "af854a3a-2127-422b-91ae-364da2661108", "shortName": "CVE", "dateUpdated": "2024-08-05T17:18:00.311Z"}, "title": "CVE Program Container", "references": [{"name": "[oss-security] 20170625 CVE-2017-9669 and CVE-2017-9671: Exploitable buffer overflows in apk (Alpine's package manager)", "tags": ["mailing-list", "x_refsource_MLIST", "x_transferred"], "url": "http://www.openwall.com/lists/oss-security/2017/06/25/2"}, {"name": "99340", "tags": ["vdb-entry", "x_refsource_BID", "x_transferred"], "url": "http://www.securityfocus.com/bid/99340"}, {"tags": ["x_refsource_MISC", "x_transferred"], "url": "https://www.twistlock.com/2017/06/25/alpine-linux-vulnerability-discovery-code-execution-pt-1-2/"}]}]}, "cveMetadata": {"assignerOrgId": "8254265b-2729-46b6-b9e3-3dfca2d5bfca", "assignerShortName": "mitre", "cveId": "CVE-2017-9671", "datePublished": "2017-07-17T21:00:00.000Z", "dateReserved": "2017-06-15T00:00:00.000Z", "dateUpdated": "2024-08-05T17:18:00.311Z", "state": "PUBLISHED"}, "dataType": "CVE_RECORD", "dataVersion": "5.1"}

{"configurations": [{"nodes": [{"cpeMatch": [{"criteria": "cpe:2.3:o:alpinelinux:alpine_linux:-:*:*:*:*:*:*:*", "matchCriteriaId": "8EBEEBA1-DEC3-4AD1-A1C5-53A2AED36EB2", "vulnerable": true}], "negate": false, "operator": "OR"}]}], "cveTags": [], "descriptions": [{"lang": "en", "value": "A heap overflow in apk (Alpine Linux's package manager) allows a remote attacker to cause a denial of service, or achieve code execution, by crafting a malicious APKINDEX.tar.gz file with a bad pax header block."}, {"lang": "es", "value": "Un heap overflow en la apk (Paquete de gesti\u00f3n de Linux Alpine) permite a un atacante remoto causar una denegaci\u00f3n de servicio, o conseguir la ejecuci\u00f3n de c\u00f3digo, mediante la manipulaci\u00f3n del archivo malicioso APKINDEX.tar.gz con un mal bloque en cabecera pax."}], "id": "CVE-2017-9671", "lastModified": "2026-05-13T00:24:29.033", "metrics": {"cvssMetricV2": [{"acInsufInfo": false, "baseSeverity": "MEDIUM", "cvssData": {"accessComplexity": "MEDIUM", "accessVector": "NETWORK", "authentication": "NONE", "availabilityImpact": "PARTIAL", "baseScore": 6.8, "confidentialityImpact": "PARTIAL", "integrityImpact": "PARTIAL", "vectorString": "AV:N/AC:M/Au:N/C:P/I:P/A:P", "version": "2.0"}, "exploitabilityScore": 8.6, "impactScore": 6.4, "obtainAllPrivilege": false, "obtainOtherPrivilege": false, "obtainUserPrivilege": false, "source": "nvd@nist.gov", "type": "Primary", "userInteractionRequired": true}], "cvssMetricV30": [{"cvssData": {"attackComplexity": "LOW", "attackVector": "LOCAL", "availabilityImpact": "HIGH", "baseScore": 7.8, "baseSeverity": "HIGH", "confidentialityImpact": "HIGH", "integrityImpact": "HIGH", "privilegesRequired": "NONE", "scope": "UNCHANGED", "userInteraction": "REQUIRED", "vectorString": "CVSS:3.0/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H", "version": "3.0"}, "exploitabilityScore": 1.8, "impactScore": 5.9, "source": "nvd@nist.gov", "type": "Primary"}]}, "published": "2017-07-17T21:29:00.777", "references": [{"source": "cve@mitre.org", "tags": ["Exploit", "Mailing List", "Third Party Advisory"], "url": "http://www.openwall.com/lists/oss-security/2017/06/25/2"}, {"source": "cve@mitre.org", "tags": ["Third Party Advisory", "VDB Entry"], "url": "http://www.securityfocus.com/bid/99340"}, {"source": "cve@mitre.org", "tags": ["Exploit", "Third Party Advisory"], "url": "https://www.twistlock.com/2017/06/25/alpine-linux-vulnerability-discovery-code-execution-pt-1-2/"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "tags": ["Exploit", "Mailing List", "Third Party Advisory"], "url": "http://www.openwall.com/lists/oss-security/2017/06/25/2"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "tags": ["Third Party Advisory", "VDB Entry"], "url": "http://www.securityfocus.com/bid/99340"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "tags": ["Exploit", "Third Party Advisory"], "url": "https://www.twistlock.com/2017/06/25/alpine-linux-vulnerability-discovery-code-execution-pt-1-2/"}], "sourceIdentifier": "cve@mitre.org", "vulnStatus": "Modified", "weaknesses": [{"description": [{"lang": "en", "value": "CWE-119"}], "source": "nvd@nist.gov", "type": "Primary"}]}