CVE-2005-3393 - Vulnerability Details - OpenCVE

Format string vulnerability in the foreign_option function in options.c for OpenVPN 2.0.x allows remote clients to execute arbitrary code via format string specifiers in a push of the dhcp-option command option.

No CVSS v4.0

No CVSS v3.1

No CVSS v3.0

Access Vector Network

Access Complexity Low

Authentication None

Confidentiality Impact Partial

Integrity Impact Partial

Availability Impact Partial

This CVE is not in the KEV list.

The EPSS score is 0.0162.

Key SSVC decision points have not yet been added.

Vendors	Products
Openvpn	Openvpn Openvpn Access Server

Configuration 1 [-]

OR	cpe:2.3:a:openvpn:openvpn:2.0:::::::*
	cpe:2.3:a:openvpn:openvpn:2.0_beta11:::::::*
	cpe:2.3:a:openvpn:openvpn_access_server:2.0.1:::::::*
	cpe:2.3:a:openvpn:openvpn_access_server:2.0.2:::::::*

No data.

No data.

Advisories

Source	ID	Title
Debian DSA	DSA-885-1	New OpenVPN packages fix several vulnerabilities
EUVD	EUVD-2005-3392	Format string vulnerability in the foreign_option function in options.c for OpenVPN 2.0.x allows remote clients to execute arbitrary code via format string specifiers in a push of the dhcp-option command option.

Fixes

Solution

No solution given by the vendor.

Workaround

No workaround given by the vendor.

References

Link	Providers
http://marc.info/?l=bugtraq&m=113081023121059&w=2
http://openvpn.net/changelog.html
http://secunia.com/advisories/17376
http://secunia.com/advisories/17447
http://secunia.com/advisories/17452
http://secunia.com/advisories/17480
http://www.debian.org/security/2005/dsa-885
http://www.gentoo.org/security/en/glsa/glsa-200511-07.xml
http://www.novell.com/linux/security/advisories/2005_25_sr.html
http://www.securityfocus.com/archive/1/415487
http://www.securityfocus.com/bid/15239
http://www.vupen.com/english/advisories/2005/2255

History

Wed, 16 Jul 2025 13:45:00 +0000

Type	Values Removed	Values Added
Metrics	epss `{'score': 0.0165}`	epss `{'score': 0.0162}`

MITRE

Status: PUBLISHED

Assigner: mitre

Published: 2005-11-01T11:00:00

Updated: 2024-08-07T23:10:08.617Z

Reserved: 2005-11-01T00:00:00

Link: CVE-2005-3393

Vulnrichment

No data.

NVD

Status : Deferred

Published: 2005-11-01T12:47:00.000

Modified: 2025-04-03T01:03:51.193

Link: CVE-2005-3393

Redhat

No data.

OpenCVE Enrichment

No data.

{"containers": {"cna": {"affected": [{"product": "n/a", "vendor": "n/a", "versions": [{"status": "affected", "version": "n/a"}]}], "datePublic": "2005-10-31T00:00:00", "descriptions": [{"lang": "en", "value": "Format string vulnerability in the foreign_option function in options.c for OpenVPN 2.0.x allows remote clients to execute arbitrary code via format string specifiers in a push of the dhcp-option command option."}], "problemTypes": [{"descriptions": [{"description": "n/a", "lang": "en", "type": "text"}]}], "providerMetadata": {"dateUpdated": "2018-10-19T14:57:01", "orgId": "8254265b-2729-46b6-b9e3-3dfca2d5bfca", "shortName": "mitre"}, "references": [{"name": "17447", "tags": ["third-party-advisory", "x_refsource_SECUNIA"], "url": "http://secunia.com/advisories/17447"}, {"name": "17480", "tags": ["third-party-advisory", "x_refsource_SECUNIA"], "url": "http://secunia.com/advisories/17480"}, {"tags": ["x_refsource_CONFIRM"], "url": "http://openvpn.net/changelog.html"}, {"name": "SUSE-SR:2005:025", "tags": ["vendor-advisory", "x_refsource_SUSE"], "url": "http://www.novell.com/linux/security/advisories/2005_25_sr.html"}, {"name": "GLSA-200511-07", "tags": ["vendor-advisory", "x_refsource_GENTOO"], "url": "http://www.gentoo.org/security/en/glsa/glsa-200511-07.xml"}, {"name": "15239", "tags": ["vdb-entry", "x_refsource_BID"], "url": "http://www.securityfocus.com/bid/15239"}, {"name": "OpenPKG-SA-2005.023", "tags": ["vendor-advisory", "x_refsource_OPENPKG"], "url": "http://www.securityfocus.com/archive/1/415487"}, {"name": "17452", "tags": ["third-party-advisory", "x_refsource_SECUNIA"], "url": "http://secunia.com/advisories/17452"}, {"name": "ADV-2005-2255", "tags": ["vdb-entry", "x_refsource_VUPEN"], "url": "http://www.vupen.com/english/advisories/2005/2255"}, {"name": "20051031 OpenVPN[v2.0.x]: foreign_option() formart string vulnerability.", "tags": ["mailing-list", "x_refsource_BUGTRAQ"], "url": "http://marc.info/?l=bugtraq&m=113081023121059&w=2"}, {"name": "DSA-885", "tags": ["vendor-advisory", "x_refsource_DEBIAN"], "url": "http://www.debian.org/security/2005/dsa-885"}, {"name": "17376", "tags": ["third-party-advisory", "x_refsource_SECUNIA"], "url": "http://secunia.com/advisories/17376"}], "x_legacyV4Record": {"CVE_data_meta": {"ASSIGNER": "cve@mitre.org", "ID": "CVE-2005-3393", "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": "Format string vulnerability in the foreign_option function in options.c for OpenVPN 2.0.x allows remote clients to execute arbitrary code via format string specifiers in a push of the dhcp-option command option."}]}, "problemtype": {"problemtype_data": [{"description": [{"lang": "eng", "value": "n/a"}]}]}, "references": {"reference_data": [{"name": "17447", "refsource": "SECUNIA", "url": "http://secunia.com/advisories/17447"}, {"name": "17480", "refsource": "SECUNIA", "url": "http://secunia.com/advisories/17480"}, {"name": "http://openvpn.net/changelog.html", "refsource": "CONFIRM", "url": "http://openvpn.net/changelog.html"}, {"name": "SUSE-SR:2005:025", "refsource": "SUSE", "url": "http://www.novell.com/linux/security/advisories/2005_25_sr.html"}, {"name": "GLSA-200511-07", "refsource": "GENTOO", "url": "http://www.gentoo.org/security/en/glsa/glsa-200511-07.xml"}, {"name": "15239", "refsource": "BID", "url": "http://www.securityfocus.com/bid/15239"}, {"name": "OpenPKG-SA-2005.023", "refsource": "OPENPKG", "url": "http://www.securityfocus.com/archive/1/415487"}, {"name": "17452", "refsource": "SECUNIA", "url": "http://secunia.com/advisories/17452"}, {"name": "ADV-2005-2255", "refsource": "VUPEN", "url": "http://www.vupen.com/english/advisories/2005/2255"}, {"name": "20051031 OpenVPN[v2.0.x]: foreign_option() formart string vulnerability.", "refsource": "BUGTRAQ", "url": "http://marc.info/?l=bugtraq&m=113081023121059&w=2"}, {"name": "DSA-885", "refsource": "DEBIAN", "url": "http://www.debian.org/security/2005/dsa-885"}, {"name": "17376", "refsource": "SECUNIA", "url": "http://secunia.com/advisories/17376"}]}}}, "adp": [{"providerMetadata": {"orgId": "af854a3a-2127-422b-91ae-364da2661108", "shortName": "CVE", "dateUpdated": "2024-08-07T23:10:08.617Z"}, "title": "CVE Program Container", "references": [{"name": "17447", "tags": ["third-party-advisory", "x_refsource_SECUNIA", "x_transferred"], "url": "http://secunia.com/advisories/17447"}, {"name": "17480", "tags": ["third-party-advisory", "x_refsource_SECUNIA", "x_transferred"], "url": "http://secunia.com/advisories/17480"}, {"tags": ["x_refsource_CONFIRM", "x_transferred"], "url": "http://openvpn.net/changelog.html"}, {"name": "SUSE-SR:2005:025", "tags": ["vendor-advisory", "x_refsource_SUSE", "x_transferred"], "url": "http://www.novell.com/linux/security/advisories/2005_25_sr.html"}, {"name": "GLSA-200511-07", "tags": ["vendor-advisory", "x_refsource_GENTOO", "x_transferred"], "url": "http://www.gentoo.org/security/en/glsa/glsa-200511-07.xml"}, {"name": "15239", "tags": ["vdb-entry", "x_refsource_BID", "x_transferred"], "url": "http://www.securityfocus.com/bid/15239"}, {"name": "OpenPKG-SA-2005.023", "tags": ["vendor-advisory", "x_refsource_OPENPKG", "x_transferred"], "url": "http://www.securityfocus.com/archive/1/415487"}, {"name": "17452", "tags": ["third-party-advisory", "x_refsource_SECUNIA", "x_transferred"], "url": "http://secunia.com/advisories/17452"}, {"name": "ADV-2005-2255", "tags": ["vdb-entry", "x_refsource_VUPEN", "x_transferred"], "url": "http://www.vupen.com/english/advisories/2005/2255"}, {"name": "20051031 OpenVPN[v2.0.x]: foreign_option() formart string vulnerability.", "tags": ["mailing-list", "x_refsource_BUGTRAQ", "x_transferred"], "url": "http://marc.info/?l=bugtraq&m=113081023121059&w=2"}, {"name": "DSA-885", "tags": ["vendor-advisory", "x_refsource_DEBIAN", "x_transferred"], "url": "http://www.debian.org/security/2005/dsa-885"}, {"name": "17376", "tags": ["third-party-advisory", "x_refsource_SECUNIA", "x_transferred"], "url": "http://secunia.com/advisories/17376"}]}]}, "cveMetadata": {"assignerOrgId": "8254265b-2729-46b6-b9e3-3dfca2d5bfca", "assignerShortName": "mitre", "cveId": "CVE-2005-3393", "datePublished": "2005-11-01T11:00:00", "dateReserved": "2005-11-01T00:00:00", "dateUpdated": "2024-08-07T23:10:08.617Z", "state": "PUBLISHED"}, "dataType": "CVE_RECORD", "dataVersion": "5.1"}

{"configurations": [{"nodes": [{"cpeMatch": [{"criteria": "cpe:2.3:a:openvpn:openvpn:2.0:*:*:*:*:*:*:*", "matchCriteriaId": "6457C946-123B-4B85-9253-D284A7A16A61", "vulnerable": true}, {"criteria": "cpe:2.3:a:openvpn:openvpn:2.0_beta11:*:*:*:*:*:*:*", "matchCriteriaId": "E5D263CA-8B2C-4B66-8990-6224BAF52A8A", "vulnerable": true}, {"criteria": "cpe:2.3:a:openvpn:openvpn_access_server:2.0.1:*:*:*:*:*:*:*", "matchCriteriaId": "B42CB75B-355B-4D80-91EA-77723B275D0C", "vulnerable": true}, {"criteria": "cpe:2.3:a:openvpn:openvpn_access_server:2.0.2:*:*:*:*:*:*:*", "matchCriteriaId": "9E5EFEC7-D9B6-454A-A36A-C75874564FCF", "vulnerable": true}], "negate": false, "operator": "OR"}]}], "cveTags": [], "descriptions": [{"lang": "en", "value": "Format string vulnerability in the foreign_option function in options.c for OpenVPN 2.0.x allows remote clients to execute arbitrary code via format string specifiers in a push of the dhcp-option command option."}], "id": "CVE-2005-3393", "lastModified": "2025-04-03T01:03:51.193", "metrics": {"cvssMetricV2": [{"acInsufInfo": false, "baseSeverity": "HIGH", "cvssData": {"accessComplexity": "LOW", "accessVector": "NETWORK", "authentication": "NONE", "availabilityImpact": "PARTIAL", "baseScore": 7.5, "confidentialityImpact": "PARTIAL", "integrityImpact": "PARTIAL", "vectorString": "AV:N/AC:L/Au:N/C:P/I:P/A:P", "version": "2.0"}, "exploitabilityScore": 10.0, "impactScore": 6.4, "obtainAllPrivilege": false, "obtainOtherPrivilege": false, "obtainUserPrivilege": true, "source": "nvd@nist.gov", "type": "Primary", "userInteractionRequired": false}]}, "published": "2005-11-01T12:47:00.000", "references": [{"source": "cve@mitre.org", "url": "http://marc.info/?l=bugtraq&m=113081023121059&w=2"}, {"source": "cve@mitre.org", "url": "http://openvpn.net/changelog.html"}, {"source": "cve@mitre.org", "tags": ["Patch", "Vendor Advisory"], "url": "http://secunia.com/advisories/17376"}, {"source": "cve@mitre.org", "url": "http://secunia.com/advisories/17447"}, {"source": "cve@mitre.org", "url": "http://secunia.com/advisories/17452"}, {"source": "cve@mitre.org", "url": "http://secunia.com/advisories/17480"}, {"source": "cve@mitre.org", "url": "http://www.debian.org/security/2005/dsa-885"}, {"source": "cve@mitre.org", "url": "http://www.gentoo.org/security/en/glsa/glsa-200511-07.xml"}, {"source": "cve@mitre.org", "url": "http://www.novell.com/linux/security/advisories/2005_25_sr.html"}, {"source": "cve@mitre.org", "url": "http://www.securityfocus.com/archive/1/415487"}, {"source": "cve@mitre.org", "tags": ["Patch"], "url": "http://www.securityfocus.com/bid/15239"}, {"source": "cve@mitre.org", "url": "http://www.vupen.com/english/advisories/2005/2255"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "url": "http://marc.info/?l=bugtraq&m=113081023121059&w=2"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "url": "http://openvpn.net/changelog.html"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "tags": ["Patch", "Vendor Advisory"], "url": "http://secunia.com/advisories/17376"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "url": "http://secunia.com/advisories/17447"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "url": "http://secunia.com/advisories/17452"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "url": "http://secunia.com/advisories/17480"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "url": "http://www.debian.org/security/2005/dsa-885"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "url": "http://www.gentoo.org/security/en/glsa/glsa-200511-07.xml"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "url": "http://www.novell.com/linux/security/advisories/2005_25_sr.html"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "url": "http://www.securityfocus.com/archive/1/415487"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "tags": ["Patch"], "url": "http://www.securityfocus.com/bid/15239"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "url": "http://www.vupen.com/english/advisories/2005/2255"}], "sourceIdentifier": "cve@mitre.org", "vulnStatus": "Deferred", "weaknesses": [{"description": [{"lang": "en", "value": "NVD-CWE-Other"}], "source": "nvd@nist.gov", "type": "Primary"}]}