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

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 [-]

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 vendor fix or workaround currently provided.

Additional remediation guidance may be available on OpenCVE Cloud.

Tracking

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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 : Modified

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

Modified: 2026-04-29T01:13:23.040

Link: CVE-2012-4436

Redhat

No data.

OpenCVE Enrichment

No data.

Weaknesses

CWE-119

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