CVE-2012-4436 - Vulnerability Details - OpenCVE

Description

Buffer overflow in the run_last_args function in client/fwknop.c in fwknop before 2.0.3, when processing --last, might allow local users to cause a denial of service (client crash) and possibly execute arbitrary code via many .fwknop.run arguments.

Published: 2012-10-22

Score: 4.4 Medium

EPSS: < 1% Very 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:cipherdyne:fwknop::::::::
	cpe:2.3:a:cipherdyne:fwknop:2.0:::::::*
	cpe:2.3:a:cipherdyne:fwknop:2.0.1:::::::*

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-2012-4370	Buffer overflow in the run_last_args function in client/fwknop.c in fwknop before 2.0.3, when processing --last, might allow local users to cause a denial of service (client crash) and possibly execute arbitrary code via many .fwknop.run arguments.

No CVSS v4.0

No CVSS v3.1

No CVSS v3.0

Access Vector Local

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 0.00075.

Key SSVC decision points have not yet been added.

References

Link	Providers
http://www.cipherdyne.org/blog/2012/09/software-release-fwknop-2.0.3.html
http://www.cipherdyne.org/cgi-bin/gitweb.cgi?p=fwknop.git%3Ba=commitdiff%3Bh=a60f05ad44e824f6230b22f8976399340cb535dc
http://www.openwall.com/lists/oss-security/2012/09/19/2
http://www.openwall.com/lists/oss-security/2012/09/20/4

History

No history.

Subscriptions

Cipherdyne Fwknop

MITRE

Status: PUBLISHED

Assigner: redhat

Published: 2012-10-22T23:00:00.000Z

Updated: 2024-09-16T19:10:39.397Z

Reserved: 2012-08-21T00:00:00.000Z

Link: CVE-2012-4436

Vulnrichment

No data.

NVD

Status : Deferred

Published: 2012-10-22T23:55:07.133

Modified: 2025-04-11T00:51:21.963

Link: CVE-2012-4436

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"}]}], "descriptions": [{"lang": "en", "value": "Buffer overflow in the run_last_args function in client/fwknop.c in fwknop before 2.0.3, when processing --last, might allow local users to cause a denial of service (client crash) and possibly execute arbitrary code via many .fwknop.run arguments."}], "problemTypes": [{"descriptions": [{"description": "n/a", "lang": "en", "type": "text"}]}], "providerMetadata": {"dateUpdated": "2012-10-22T23:00:00.000Z", "orgId": "53f830b8-0a3f-465b-8143-3b8a9948e749", "shortName": "redhat"}, "references": [{"name": "[oss-security] 20120919 CVE Request -- fwknop 2.0.3: Multiple security issues", "tags": ["mailing-list", "x_refsource_MLIST"], "url": "http://www.openwall.com/lists/oss-security/2012/09/19/2"}, {"name": "[oss-security] 20120919 Re: CVE Request -- fwknop 2.0.3: Multiple security issues", "tags": ["mailing-list", "x_refsource_MLIST"], "url": "http://www.openwall.com/lists/oss-security/2012/09/20/4"}, {"tags": ["x_refsource_CONFIRM"], "url": "http://www.cipherdyne.org/blog/2012/09/software-release-fwknop-2.0.3.html"}, {"tags": ["x_refsource_CONFIRM"], "url": "http://www.cipherdyne.org/cgi-bin/gitweb.cgi?p=fwknop.git%3Ba=commitdiff%3Bh=a60f05ad44e824f6230b22f8976399340cb535dc"}], "x_legacyV4Record": {"CVE_data_meta": {"ASSIGNER": "secalert@redhat.com", "ID": "CVE-2012-4436", "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": "Buffer overflow in the run_last_args function in client/fwknop.c in fwknop before 2.0.3, when processing --last, might allow local users to cause a denial of service (client crash) and possibly execute arbitrary code via many .fwknop.run arguments."}]}, "problemtype": {"problemtype_data": [{"description": [{"lang": "eng", "value": "n/a"}]}]}, "references": {"reference_data": [{"name": "[oss-security] 20120919 CVE Request -- fwknop 2.0.3: Multiple security issues", "refsource": "MLIST", "url": "http://www.openwall.com/lists/oss-security/2012/09/19/2"}, {"name": "[oss-security] 20120919 Re: CVE Request -- fwknop 2.0.3: Multiple security issues", "refsource": "MLIST", "url": "http://www.openwall.com/lists/oss-security/2012/09/20/4"}, {"name": "http://www.cipherdyne.org/blog/2012/09/software-release-fwknop-2.0.3.html", "refsource": "CONFIRM", "url": "http://www.cipherdyne.org/blog/2012/09/software-release-fwknop-2.0.3.html"}, {"name": "http://www.cipherdyne.org/cgi-bin/gitweb.cgi?p=fwknop.git;a=commitdiff;h=a60f05ad44e824f6230b22f8976399340cb535dc", "refsource": "CONFIRM", "url": "http://www.cipherdyne.org/cgi-bin/gitweb.cgi?p=fwknop.git;a=commitdiff;h=a60f05ad44e824f6230b22f8976399340cb535dc"}]}}}, "adp": [{"providerMetadata": {"orgId": "af854a3a-2127-422b-91ae-364da2661108", "shortName": "CVE", "dateUpdated": "2024-08-06T20:35:09.716Z"}, "title": "CVE Program Container", "references": [{"name": "[oss-security] 20120919 CVE Request -- fwknop 2.0.3: Multiple security issues", "tags": ["mailing-list", "x_refsource_MLIST", "x_transferred"], "url": "http://www.openwall.com/lists/oss-security/2012/09/19/2"}, {"name": "[oss-security] 20120919 Re: CVE Request -- fwknop 2.0.3: Multiple security issues", "tags": ["mailing-list", "x_refsource_MLIST", "x_transferred"], "url": "http://www.openwall.com/lists/oss-security/2012/09/20/4"}, {"tags": ["x_refsource_CONFIRM", "x_transferred"], "url": "http://www.cipherdyne.org/blog/2012/09/software-release-fwknop-2.0.3.html"}, {"tags": ["x_refsource_CONFIRM", "x_transferred"], "url": "http://www.cipherdyne.org/cgi-bin/gitweb.cgi?p=fwknop.git%3Ba=commitdiff%3Bh=a60f05ad44e824f6230b22f8976399340cb535dc"}]}]}, "cveMetadata": {"assignerOrgId": "53f830b8-0a3f-465b-8143-3b8a9948e749", "assignerShortName": "redhat", "cveId": "CVE-2012-4436", "datePublished": "2012-10-22T23:00:00.000Z", "dateReserved": "2012-08-21T00:00:00.000Z", "dateUpdated": "2024-09-16T19:10:39.397Z", "state": "PUBLISHED"}, "dataType": "CVE_RECORD", "dataVersion": "5.1"}

{"configurations": [{"nodes": [{"cpeMatch": [{"criteria": "cpe:2.3:a:cipherdyne:fwknop:*:*:*:*:*:*:*:*", "matchCriteriaId": "86145D7E-F2E9-475D-8403-AF11FE48A1BA", "versionEndIncluding": "2.0.2", "vulnerable": true}, {"criteria": "cpe:2.3:a:cipherdyne:fwknop:2.0:*:*:*:*:*:*:*", "matchCriteriaId": "CED7A956-59FA-4113-B297-B7726A0F0FB4", "vulnerable": true}, {"criteria": "cpe:2.3:a:cipherdyne:fwknop:2.0.1:*:*:*:*:*:*:*", "matchCriteriaId": "8BCB6F50-1B75-4ABE-B9C1-83D26CCB48E1", "vulnerable": true}], "negate": false, "operator": "OR"}]}], "cveTags": [], "descriptions": [{"lang": "en", "value": "Buffer overflow in the run_last_args function in client/fwknop.c in fwknop before 2.0.3, when processing --last, might allow local users to cause a denial of service (client crash) and possibly execute arbitrary code via many .fwknop.run arguments."}, {"lang": "es", "value": "Desbordamiento de b\u00fafer en la funci\u00f3n run_last_args en ??client/fwknop.c en fwknop antes de v2.0.3, cuando se est\u00e1 procesando --last, podr\u00eda permitir a usuarios locales provocar una denegaci\u00f3n de servicio (ca\u00edda de cliente) y posiblemente ejecutar c\u00f3digo arbitrario a trav\u00e9s de varios argumentos .fwknop.run."}], "id": "CVE-2012-4436", "lastModified": "2025-04-11T00:51:21.963", "metrics": {"cvssMetricV2": [{"acInsufInfo": false, "baseSeverity": "MEDIUM", "cvssData": {"accessComplexity": "MEDIUM", "accessVector": "LOCAL", "authentication": "NONE", "availabilityImpact": "PARTIAL", "baseScore": 4.4, "confidentialityImpact": "PARTIAL", "integrityImpact": "PARTIAL", "vectorString": "AV:L/AC:M/Au:N/C:P/I:P/A:P", "version": "2.0"}, "exploitabilityScore": 3.4, "impactScore": 6.4, "obtainAllPrivilege": false, "obtainOtherPrivilege": false, "obtainUserPrivilege": false, "source": "nvd@nist.gov", "type": "Primary", "userInteractionRequired": false}]}, "published": "2012-10-22T23:55:07.133", "references": [{"source": "secalert@redhat.com", "tags": ["Vendor Advisory"], "url": "http://www.cipherdyne.org/blog/2012/09/software-release-fwknop-2.0.3.html"}, {"source": "secalert@redhat.com", "url": "http://www.cipherdyne.org/cgi-bin/gitweb.cgi?p=fwknop.git%3Ba=commitdiff%3Bh=a60f05ad44e824f6230b22f8976399340cb535dc"}, {"source": "secalert@redhat.com", "url": "http://www.openwall.com/lists/oss-security/2012/09/19/2"}, {"source": "secalert@redhat.com", "url": "http://www.openwall.com/lists/oss-security/2012/09/20/4"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "tags": ["Vendor Advisory"], "url": "http://www.cipherdyne.org/blog/2012/09/software-release-fwknop-2.0.3.html"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "url": "http://www.cipherdyne.org/cgi-bin/gitweb.cgi?p=fwknop.git%3Ba=commitdiff%3Bh=a60f05ad44e824f6230b22f8976399340cb535dc"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "url": "http://www.openwall.com/lists/oss-security/2012/09/19/2"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "url": "http://www.openwall.com/lists/oss-security/2012/09/20/4"}], "sourceIdentifier": "secalert@redhat.com", "vulnStatus": "Deferred", "weaknesses": [{"description": [{"lang": "en", "value": "CWE-119"}], "source": "nvd@nist.gov", "type": "Primary"}]}