CVE-2016-4456 - Vulnerability Details - OpenCVE

The "GNUTLS_KEYLOGFILE" environment variable in gnutls 3.4.12 allows remote attackers to overwrite and corrupt arbitrary files in the filesystem.

No CVSS v4.0

Attack Vector Network

Attack Complexity Low

Privileges Required None

Scope Unchanged

Confidentiality Impact None

Integrity Impact High

Availability Impact None

User Interaction None

Attack Vector Local

Attack Complexity High

Privileges Required Low

Scope Unchanged

Confidentiality Impact None

Integrity Impact High

Availability Impact High

User Interaction None

Access Vector Network

Access Complexity Low

Authentication None

Confidentiality Impact None

Integrity Impact Partial

Availability Impact None

This CVE is not in the KEV list.

The EPSS score is 0.00263.

Key SSVC decision points have not yet been added.

Vendors	Products
Gnu	Gnutls

Configuration 1 [-]

cpe:2.3:a:gnu:gnutls:3.4.12:*:*:*:*:*:*:*

No data.

No data.

References

Link	Providers
http://gnutls.org/security.html#GNUTLS-SA-2016-1
http://www.openwall.com/lists/oss-security/2016/06/07/6
https://bugzilla.redhat.com/show_bug.cgi?id=1343505
https://nvd.nist.gov/vuln/detail/CVE-2016-4456
https://www.cve.org/CVERecord?id=CVE-2016-4456

History

No history.

MITRE

Status: PUBLISHED

Assigner: redhat

Published: 2017-08-08T21:00:00

Updated: 2024-08-06T00:32:25.569Z

Reserved: 2016-05-02T00:00:00

Link: CVE-2016-4456

Vulnrichment

No data.

NVD

Status : Deferred

Published: 2017-08-08T21:29:00.407

Modified: 2025-04-20T01:37:25.860

Link: CVE-2016-4456

Redhat

Severity : Moderate

Publid Date: 2016-06-06T00:00:00Z

Links: CVE-2016-4456 - Bugzilla

OpenCVE Enrichment

No data.

{"containers": {"cna": {"affected": [{"product": "n/a", "vendor": "n/a", "versions": [{"status": "affected", "version": "n/a"}]}], "datePublic": "2016-06-07T00:00:00", "descriptions": [{"lang": "en", "value": "The \"GNUTLS_KEYLOGFILE\" environment variable in gnutls 3.4.12 allows remote attackers to overwrite and corrupt arbitrary files in the filesystem."}], "problemTypes": [{"descriptions": [{"description": "n/a", "lang": "en", "type": "text"}]}], "providerMetadata": {"dateUpdated": "2017-08-08T20:57:01", "orgId": "53f830b8-0a3f-465b-8143-3b8a9948e749", "shortName": "redhat"}, "references": [{"tags": ["x_refsource_CONFIRM"], "url": "https://bugzilla.redhat.com/show_bug.cgi?id=1343505"}, {"name": "[oss-security] 20160607 Re: CVE Request: GnuTLS: GNUTLS-SA-2016-1: File overwrite by setuid programs", "tags": ["mailing-list", "x_refsource_MLIST"], "url": "http://www.openwall.com/lists/oss-security/2016/06/07/6"}], "x_legacyV4Record": {"CVE_data_meta": {"ASSIGNER": "secalert@redhat.com", "ID": "CVE-2016-4456", "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": "The \"GNUTLS_KEYLOGFILE\" environment variable in gnutls 3.4.12 allows remote attackers to overwrite and corrupt arbitrary files in the filesystem."}]}, "problemtype": {"problemtype_data": [{"description": [{"lang": "eng", "value": "n/a"}]}]}, "references": {"reference_data": [{"name": "https://bugzilla.redhat.com/show_bug.cgi?id=1343505", "refsource": "CONFIRM", "url": "https://bugzilla.redhat.com/show_bug.cgi?id=1343505"}, {"name": "[oss-security] 20160607 Re: CVE Request: GnuTLS: GNUTLS-SA-2016-1: File overwrite by setuid programs", "refsource": "MLIST", "url": "http://www.openwall.com/lists/oss-security/2016/06/07/6"}]}}}, "adp": [{"providerMetadata": {"orgId": "af854a3a-2127-422b-91ae-364da2661108", "shortName": "CVE", "dateUpdated": "2024-08-06T00:32:25.569Z"}, "title": "CVE Program Container", "references": [{"tags": ["x_refsource_CONFIRM", "x_transferred"], "url": "https://bugzilla.redhat.com/show_bug.cgi?id=1343505"}, {"name": "[oss-security] 20160607 Re: CVE Request: GnuTLS: GNUTLS-SA-2016-1: File overwrite by setuid programs", "tags": ["mailing-list", "x_refsource_MLIST", "x_transferred"], "url": "http://www.openwall.com/lists/oss-security/2016/06/07/6"}]}]}, "cveMetadata": {"assignerOrgId": "53f830b8-0a3f-465b-8143-3b8a9948e749", "assignerShortName": "redhat", "cveId": "CVE-2016-4456", "datePublished": "2017-08-08T21:00:00", "dateReserved": "2016-05-02T00:00:00", "dateUpdated": "2024-08-06T00:32:25.569Z", "state": "PUBLISHED"}, "dataType": "CVE_RECORD", "dataVersion": "5.1"}

{"configurations": [{"nodes": [{"cpeMatch": [{"criteria": "cpe:2.3:a:gnu:gnutls:3.4.12:*:*:*:*:*:*:*", "matchCriteriaId": "6BB87842-8AED-4110-807B-AD8BC3B840BE", "vulnerable": true}], "negate": false, "operator": "OR"}]}], "cveTags": [], "descriptions": [{"lang": "en", "value": "The \"GNUTLS_KEYLOGFILE\" environment variable in gnutls 3.4.12 allows remote attackers to overwrite and corrupt arbitrary files in the filesystem."}, {"lang": "es", "value": "La variable de entorno \"GNUTLS_KEYLOGFILE\" en gnutls 3.4.12 permite que atacantes remotos sobrescriban y corrompan archivos arbitrarios en el sistema de archivos."}], "id": "CVE-2016-4456", "lastModified": "2025-04-20T01:37:25.860", "metrics": {"cvssMetricV2": [{"acInsufInfo": false, "baseSeverity": "MEDIUM", "cvssData": {"accessComplexity": "LOW", "accessVector": "NETWORK", "authentication": "NONE", "availabilityImpact": "NONE", "baseScore": 5.0, "confidentialityImpact": "NONE", "integrityImpact": "PARTIAL", "vectorString": "AV:N/AC:L/Au:N/C:N/I:P/A:N", "version": "2.0"}, "exploitabilityScore": 10.0, "impactScore": 2.9, "obtainAllPrivilege": false, "obtainOtherPrivilege": false, "obtainUserPrivilege": false, "source": "nvd@nist.gov", "type": "Primary", "userInteractionRequired": false}], "cvssMetricV31": [{"cvssData": {"attackComplexity": "LOW", "attackVector": "NETWORK", "availabilityImpact": "NONE", "baseScore": 7.5, "baseSeverity": "HIGH", "confidentialityImpact": "NONE", "integrityImpact": "HIGH", "privilegesRequired": "NONE", "scope": "UNCHANGED", "userInteraction": "NONE", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N", "version": "3.1"}, "exploitabilityScore": 3.9, "impactScore": 3.6, "source": "nvd@nist.gov", "type": "Primary"}]}, "published": "2017-08-08T21:29:00.407", "references": [{"source": "secalert@redhat.com", "tags": ["Mailing List", "Third Party Advisory"], "url": "http://www.openwall.com/lists/oss-security/2016/06/07/6"}, {"source": "secalert@redhat.com", "tags": ["Issue Tracking", "Third Party Advisory"], "url": "https://bugzilla.redhat.com/show_bug.cgi?id=1343505"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "tags": ["Mailing List", "Third Party Advisory"], "url": "http://www.openwall.com/lists/oss-security/2016/06/07/6"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "tags": ["Issue Tracking", "Third Party Advisory"], "url": "https://bugzilla.redhat.com/show_bug.cgi?id=1343505"}], "sourceIdentifier": "secalert@redhat.com", "vulnStatus": "Deferred", "weaknesses": [{"description": [{"lang": "en", "value": "CWE-20"}], "source": "nvd@nist.gov", "type": "Primary"}]}