CVE-2014-8886 - Vulnerability Details - OpenCVE

Description

AVM FRITZ!OS before 6.30 extracts the contents of firmware updates before verifying their cryptographic signature, which allows remote attackers to create symlinks or overwrite critical files, and consequently execute arbitrary code, via a crafted firmware image.

Published: 2016-01-08

Score: 8.1 High

EPSS: 4.5% 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 [-]

cpe:2.3:o:avm:fritz\!_os:*:*:*:*:*:*:*:*

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-2014-8713	AVM FRITZ!OS before 6.30 extracts the contents of firmware updates before verifying their cryptographic signature, which allows remote attackers to create symlinks or overwrite critical files, and consequently execute arbitrary code, via a crafted firmware image.

No CVSS v4.0

No CVSS v3.1

Attack Vector Network

Attack Complexity High

Privileges Required None

Scope Unchanged

Confidentiality Impact High

Integrity Impact High

Availability Impact High

User Interaction None

Access Vector Network

Access Complexity Medium

Authentication None

Confidentiality Impact Complete

Integrity Impact Complete

Availability Impact Complete

This CVE is not in the KEV list.

The EPSS score is 0.04543.

Key SSVC decision points have not yet been added.

References

Link	Providers
http://packetstormsecurity.com/files/135161/AVM-FRITZ-Box-Arbitrary-Code-Execution-Via-Firmware-Images.html
http://seclists.org/fulldisclosure/2016/Jan/12
http://www.securityfocus.com/archive/1/537246/100/0/threaded
https://avm.de/service/sicherheitsinfos-zu-updates/
https://www.redteam-pentesting.de/advisories/rt-sa-2014-014

History

No history.

Subscriptions

Avm Fritz\! Os

MITRE

Status: PUBLISHED

Assigner: mitre

Published: 2016-01-08T20:00:00.000Z

Updated: 2024-08-06T13:33:11.947Z

Reserved: 2014-11-14T00:00:00.000Z

Link: CVE-2014-8886

Vulnrichment

No data.

NVD

Status : Deferred

Published: 2016-01-08T20:59:00.123

Modified: 2025-04-12T10:46:40.837

Link: CVE-2014-8886

Redhat

No data.

OpenCVE Enrichment

No data.

Weaknesses

CWE-310

{"containers": {"cna": {"affected": [{"product": "n/a", "vendor": "n/a", "versions": [{"status": "affected", "version": "n/a"}]}], "datePublic": "2014-11-11T00:00:00.000Z", "descriptions": [{"lang": "en", "value": "AVM FRITZ!OS before 6.30 extracts the contents of firmware updates before verifying their cryptographic signature, which allows remote attackers to create symlinks or overwrite critical files, and consequently execute arbitrary code, via a crafted firmware image."}], "problemTypes": [{"descriptions": [{"description": "n/a", "lang": "en", "type": "text"}]}], "providerMetadata": {"dateUpdated": "2018-10-09T18:57:01.000Z", "orgId": "8254265b-2729-46b6-b9e3-3dfca2d5bfca", "shortName": "mitre"}, "references": [{"name": "20160107 [RT-SA-2014-014] AVM FRITZ!Box: Arbitrary Code Execution Through Manipulated Firmware Images", "tags": ["mailing-list", "x_refsource_FULLDISC"], "url": "http://seclists.org/fulldisclosure/2016/Jan/12"}, {"name": "20160107 [RT-SA-2014-014] AVM FRITZ!Box: Arbitrary Code Execution Through Manipulated Firmware Images", "tags": ["mailing-list", "x_refsource_BUGTRAQ"], "url": "http://www.securityfocus.com/archive/1/537246/100/0/threaded"}, {"tags": ["x_refsource_MISC"], "url": "https://www.redteam-pentesting.de/advisories/rt-sa-2014-014"}, {"tags": ["x_refsource_MISC"], "url": "http://packetstormsecurity.com/files/135161/AVM-FRITZ-Box-Arbitrary-Code-Execution-Via-Firmware-Images.html"}, {"tags": ["x_refsource_CONFIRM"], "url": "https://avm.de/service/sicherheitsinfos-zu-updates/"}], "x_legacyV4Record": {"CVE_data_meta": {"ASSIGNER": "cve@mitre.org", "ID": "CVE-2014-8886", "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": "AVM FRITZ!OS before 6.30 extracts the contents of firmware updates before verifying their cryptographic signature, which allows remote attackers to create symlinks or overwrite critical files, and consequently execute arbitrary code, via a crafted firmware image."}]}, "problemtype": {"problemtype_data": [{"description": [{"lang": "eng", "value": "n/a"}]}]}, "references": {"reference_data": [{"name": "20160107 [RT-SA-2014-014] AVM FRITZ!Box: Arbitrary Code Execution Through Manipulated Firmware Images", "refsource": "FULLDISC", "url": "http://seclists.org/fulldisclosure/2016/Jan/12"}, {"name": "20160107 [RT-SA-2014-014] AVM FRITZ!Box: Arbitrary Code Execution Through Manipulated Firmware Images", "refsource": "BUGTRAQ", "url": "http://www.securityfocus.com/archive/1/537246/100/0/threaded"}, {"name": "https://www.redteam-pentesting.de/advisories/rt-sa-2014-014", "refsource": "MISC", "url": "https://www.redteam-pentesting.de/advisories/rt-sa-2014-014"}, {"name": "http://packetstormsecurity.com/files/135161/AVM-FRITZ-Box-Arbitrary-Code-Execution-Via-Firmware-Images.html", "refsource": "MISC", "url": "http://packetstormsecurity.com/files/135161/AVM-FRITZ-Box-Arbitrary-Code-Execution-Via-Firmware-Images.html"}, {"name": "https://avm.de/service/sicherheitsinfos-zu-updates/", "refsource": "CONFIRM", "url": "https://avm.de/service/sicherheitsinfos-zu-updates/"}]}}}, "adp": [{"providerMetadata": {"orgId": "af854a3a-2127-422b-91ae-364da2661108", "shortName": "CVE", "dateUpdated": "2024-08-06T13:33:11.947Z"}, "title": "CVE Program Container", "references": [{"name": "20160107 [RT-SA-2014-014] AVM FRITZ!Box: Arbitrary Code Execution Through Manipulated Firmware Images", "tags": ["mailing-list", "x_refsource_FULLDISC", "x_transferred"], "url": "http://seclists.org/fulldisclosure/2016/Jan/12"}, {"name": "20160107 [RT-SA-2014-014] AVM FRITZ!Box: Arbitrary Code Execution Through Manipulated Firmware Images", "tags": ["mailing-list", "x_refsource_BUGTRAQ", "x_transferred"], "url": "http://www.securityfocus.com/archive/1/537246/100/0/threaded"}, {"tags": ["x_refsource_MISC", "x_transferred"], "url": "https://www.redteam-pentesting.de/advisories/rt-sa-2014-014"}, {"tags": ["x_refsource_MISC", "x_transferred"], "url": "http://packetstormsecurity.com/files/135161/AVM-FRITZ-Box-Arbitrary-Code-Execution-Via-Firmware-Images.html"}, {"tags": ["x_refsource_CONFIRM", "x_transferred"], "url": "https://avm.de/service/sicherheitsinfos-zu-updates/"}]}]}, "cveMetadata": {"assignerOrgId": "8254265b-2729-46b6-b9e3-3dfca2d5bfca", "assignerShortName": "mitre", "cveId": "CVE-2014-8886", "datePublished": "2016-01-08T20:00:00.000Z", "dateReserved": "2014-11-14T00:00:00.000Z", "dateUpdated": "2024-08-06T13:33:11.947Z", "state": "PUBLISHED"}, "dataType": "CVE_RECORD", "dataVersion": "5.1"}

{"configurations": [{"nodes": [{"cpeMatch": [{"criteria": "cpe:2.3:o:avm:fritz\\!_os:*:*:*:*:*:*:*:*", "matchCriteriaId": "664D5823-768C-4EE2-9399-CA8C750DEED6", "versionEndIncluding": "6.23", "vulnerable": true}], "negate": false, "operator": "OR"}]}], "cveTags": [], "descriptions": [{"lang": "en", "value": "AVM FRITZ!OS before 6.30 extracts the contents of firmware updates before verifying their cryptographic signature, which allows remote attackers to create symlinks or overwrite critical files, and consequently execute arbitrary code, via a crafted firmware image."}, {"lang": "es", "value": "AVM FRITZ!OS en versiones anteriores a 6.30 extrae los contenidos de la actualizaci\u00f3n de firmware antes de verificar su firma criptogr\u00e1fica, lo que permite a atacantes remotos crear enlaces simb\u00f3licos o sobreescribir archivos cr\u00edticos, y consecuentemente ejecutar c\u00f3digo arbitrario, a trav\u00e9s de una imagen de firmware manipulada."}], "id": "CVE-2014-8886", "lastModified": "2025-04-12T10:46:40.837", "metrics": {"cvssMetricV2": [{"acInsufInfo": false, "baseSeverity": "HIGH", "cvssData": {"accessComplexity": "MEDIUM", "accessVector": "NETWORK", "authentication": "NONE", "availabilityImpact": "COMPLETE", "baseScore": 9.3, "confidentialityImpact": "COMPLETE", "integrityImpact": "COMPLETE", "vectorString": "AV:N/AC:M/Au:N/C:C/I:C/A:C", "version": "2.0"}, "exploitabilityScore": 8.6, "impactScore": 10.0, "obtainAllPrivilege": false, "obtainOtherPrivilege": false, "obtainUserPrivilege": false, "source": "nvd@nist.gov", "type": "Primary"}], "cvssMetricV30": [{"cvssData": {"attackComplexity": "HIGH", "attackVector": "NETWORK", "availabilityImpact": "HIGH", "baseScore": 8.1, "baseSeverity": "HIGH", "confidentialityImpact": "HIGH", "integrityImpact": "HIGH", "privilegesRequired": "NONE", "scope": "UNCHANGED", "userInteraction": "NONE", "vectorString": "CVSS:3.0/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H", "version": "3.0"}, "exploitabilityScore": 2.2, "impactScore": 5.9, "source": "nvd@nist.gov", "type": "Primary"}]}, "published": "2016-01-08T20:59:00.123", "references": [{"source": "cve@mitre.org", "url": "http://packetstormsecurity.com/files/135161/AVM-FRITZ-Box-Arbitrary-Code-Execution-Via-Firmware-Images.html"}, {"source": "cve@mitre.org", "tags": ["Exploit"], "url": "http://seclists.org/fulldisclosure/2016/Jan/12"}, {"source": "cve@mitre.org", "url": "http://www.securityfocus.com/archive/1/537246/100/0/threaded"}, {"source": "cve@mitre.org", "tags": ["Vendor Advisory"], "url": "https://avm.de/service/sicherheitsinfos-zu-updates/"}, {"source": "cve@mitre.org", "tags": ["Exploit"], "url": "https://www.redteam-pentesting.de/advisories/rt-sa-2014-014"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "url": "http://packetstormsecurity.com/files/135161/AVM-FRITZ-Box-Arbitrary-Code-Execution-Via-Firmware-Images.html"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "tags": ["Exploit"], "url": "http://seclists.org/fulldisclosure/2016/Jan/12"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "url": "http://www.securityfocus.com/archive/1/537246/100/0/threaded"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "tags": ["Vendor Advisory"], "url": "https://avm.de/service/sicherheitsinfos-zu-updates/"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "tags": ["Exploit"], "url": "https://www.redteam-pentesting.de/advisories/rt-sa-2014-014"}], "sourceIdentifier": "cve@mitre.org", "vulnStatus": "Deferred", "weaknesses": [{"description": [{"lang": "en", "value": "CWE-310"}], "source": "nvd@nist.gov", "type": "Primary"}]}