CVE-2019-11721

The unicode latin 'kra' character can be used to spoof a standard 'k' character in the addressbar. This allows for domain spoofing attacks as do not display as punycode text, allowing for user confusion. This vulnerability affects Firefox < 68.

CVSS v3 6.5 MEDIUM
CVSS v2.0 4.3 MEDIUM

6.5^/10

CVSS v3 : MEDIUM

V3 Legend

Vector :

Exploitability : 2.8 / Impact : 3.6

Attack Vector NETWORK

Attack Complexity LOW

Privileges Required NONE

User Interaction REQUIRED

Confidentiality Impact NONE

Integrity Impact HIGH

Availability Impact NONE

Scope UNCHANGED

4.3^/10

CVSS v2.0 : MEDIUM

V2 Legend

Vector : AV:N/AC:M/Au:N/C:N/I:P/A:N

Exploitability : 8.6 / Impact : 2.9

Access Vector NETWORK

Access Complexity MEDIUM

Authentication NONE

Confidentiality Impact NONE

Integrity Impact PARTIAL

Availability Impact NONE

References

Link	Resource
http://lists.opensuse.org/opensuse-security-announce/2019-10/msg00009.html	Mailing List Third Party Advisory
http://lists.opensuse.org/opensuse-security-announce/2019-10/msg00010.html	Mailing List Third Party Advisory
http://lists.opensuse.org/opensuse-security-announce/2019-10/msg00011.html	Mailing List Third Party Advisory
http://lists.opensuse.org/opensuse-security-announce/2019-10/msg00017.html	Mailing List Third Party Advisory
https://bugzilla.mozilla.org/show_bug.cgi?id=1256009	Exploit Issue Tracking Vendor Advisory
https://security.gentoo.org/glsa/201908-12	Third Party Advisory
https://www.mozilla.org/security/advisories/mfsa2019-21/	Vendor Advisory
http://lists.opensuse.org/opensuse-security-announce/2019-10/msg00009.html	Mailing List Third Party Advisory
http://lists.opensuse.org/opensuse-security-announce/2019-10/msg00010.html	Mailing List Third Party Advisory
http://lists.opensuse.org/opensuse-security-announce/2019-10/msg00011.html	Mailing List Third Party Advisory
http://lists.opensuse.org/opensuse-security-announce/2019-10/msg00017.html	Mailing List Third Party Advisory
https://bugzilla.mozilla.org/show_bug.cgi?id=1256009	Exploit Issue Tracking Vendor Advisory
https://security.gentoo.org/glsa/201908-12	Third Party Advisory
https://www.mozilla.org/security/advisories/mfsa2019-21/	Vendor Advisory

Configurations

Configuration 1 (hide)

cpe:2.3:a:mozilla:firefox:*:*:*:*:*:*:*:*

Configuration 2 (hide)

OR	cpe:2.3:o:opensuse:leap:15.0:::::::*
	cpe:2.3:o:opensuse:leap:15.1:::::::*

History

21 Nov 2024, 04:21

Type	Values Removed	Values Added
References	~~() http://lists.opensuse.org/opensuse-security-announce/2019-10/msg00009.html - Mailing List, Third Party Advisory~~	() http://lists.opensuse.org/opensuse-security-announce/2019-10/msg00009.html - Mailing List, Third Party Advisory
References	~~() http://lists.opensuse.org/opensuse-security-announce/2019-10/msg00010.html - Mailing List, Third Party Advisory~~	() http://lists.opensuse.org/opensuse-security-announce/2019-10/msg00010.html - Mailing List, Third Party Advisory
References	~~() http://lists.opensuse.org/opensuse-security-announce/2019-10/msg00011.html - Mailing List, Third Party Advisory~~	() http://lists.opensuse.org/opensuse-security-announce/2019-10/msg00011.html - Mailing List, Third Party Advisory
References	~~() http://lists.opensuse.org/opensuse-security-announce/2019-10/msg00017.html - Mailing List, Third Party Advisory~~	() http://lists.opensuse.org/opensuse-security-announce/2019-10/msg00017.html - Mailing List, Third Party Advisory
References	~~() https://bugzilla.mozilla.org/show_bug.cgi?id=1256009 - Exploit, Issue Tracking, Vendor Advisory~~	() https://bugzilla.mozilla.org/show_bug.cgi?id=1256009 - Exploit, Issue Tracking, Vendor Advisory
References	~~() https://security.gentoo.org/glsa/201908-12 - Third Party Advisory~~	() https://security.gentoo.org/glsa/201908-12 - Third Party Advisory
References	~~() https://www.mozilla.org/security/advisories/mfsa2019-21/ - Vendor Advisory~~	() https://www.mozilla.org/security/advisories/mfsa2019-21/ - Vendor Advisory

Information

Published : 2019-07-23 14:15

Updated : 2024-11-21 04:21

NVD link : CVE-2019-11721

Mitre link : CVE-2019-11721

CVE.ORG link : CVE-2019-11721

JSON object : View

Products Affected

opensuse

leap

mozilla

firefox

CWE

NVD-CWE-noinfo

{"id": "CVE-2019-11721", "metrics": {"cvssMetricV2": [{"type": "Primary", "source": "nvd@nist.gov", "cvssData": {"version": "2.0", "baseScore": 4.3, "accessVector": "NETWORK", "vectorString": "AV:N/AC:M/Au:N/C:N/I:P/A:N", "authentication": "NONE", "integrityImpact": "PARTIAL", "accessComplexity": "MEDIUM", "availabilityImpact": "NONE", "confidentialityImpact": "NONE"}, "acInsufInfo": false, "impactScore": 2.9, "baseSeverity": "MEDIUM", "obtainAllPrivilege": false, "exploitabilityScore": 8.6, "obtainUserPrivilege": false, "obtainOtherPrivilege": false, "userInteractionRequired": true}], "cvssMetricV31": [{"type": "Primary", "source": "nvd@nist.gov", "cvssData": {"scope": "UNCHANGED", "version": "3.1", "baseScore": 6.5, "attackVector": "NETWORK", "baseSeverity": "MEDIUM", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:H/A:N", "integrityImpact": "HIGH", "userInteraction": "REQUIRED", "attackComplexity": "LOW", "availabilityImpact": "NONE", "privilegesRequired": "NONE", "confidentialityImpact": "NONE"}, "impactScore": 3.6, "exploitabilityScore": 2.8}]}, "published": "2019-07-23T14:15:16.187", "references": [{"url": "http://lists.opensuse.org/opensuse-security-announce/2019-10/msg00009.html", "tags": ["Mailing List", "Third Party Advisory"], "source": "security@mozilla.org"}, {"url": "http://lists.opensuse.org/opensuse-security-announce/2019-10/msg00010.html", "tags": ["Mailing List", "Third Party Advisory"], "source": "security@mozilla.org"}, {"url": "http://lists.opensuse.org/opensuse-security-announce/2019-10/msg00011.html", "tags": ["Mailing List", "Third Party Advisory"], "source": "security@mozilla.org"}, {"url": "http://lists.opensuse.org/opensuse-security-announce/2019-10/msg00017.html", "tags": ["Mailing List", "Third Party Advisory"], "source": "security@mozilla.org"}, {"url": "https://bugzilla.mozilla.org/show_bug.cgi?id=1256009", "tags": ["Exploit", "Issue Tracking", "Vendor Advisory"], "source": "security@mozilla.org"}, {"url": "https://security.gentoo.org/glsa/201908-12", "tags": ["Third Party Advisory"], "source": "security@mozilla.org"}, {"url": "https://www.mozilla.org/security/advisories/mfsa2019-21/", "tags": ["Vendor Advisory"], "source": "security@mozilla.org"}, {"url": "http://lists.opensuse.org/opensuse-security-announce/2019-10/msg00009.html", "tags": ["Mailing List", "Third Party Advisory"], "source": "af854a3a-2127-422b-91ae-364da2661108"}, {"url": "http://lists.opensuse.org/opensuse-security-announce/2019-10/msg00010.html", "tags": ["Mailing List", "Third Party Advisory"], "source": "af854a3a-2127-422b-91ae-364da2661108"}, {"url": "http://lists.opensuse.org/opensuse-security-announce/2019-10/msg00011.html", "tags": ["Mailing List", "Third Party Advisory"], "source": "af854a3a-2127-422b-91ae-364da2661108"}, {"url": "http://lists.opensuse.org/opensuse-security-announce/2019-10/msg00017.html", "tags": ["Mailing List", "Third Party Advisory"], "source": "af854a3a-2127-422b-91ae-364da2661108"}, {"url": "https://bugzilla.mozilla.org/show_bug.cgi?id=1256009", "tags": ["Exploit", "Issue Tracking", "Vendor Advisory"], "source": "af854a3a-2127-422b-91ae-364da2661108"}, {"url": "https://security.gentoo.org/glsa/201908-12", "tags": ["Third Party Advisory"], "source": "af854a3a-2127-422b-91ae-364da2661108"}, {"url": "https://www.mozilla.org/security/advisories/mfsa2019-21/", "tags": ["Vendor Advisory"], "source": "af854a3a-2127-422b-91ae-364da2661108"}], "vulnStatus": "Modified", "weaknesses": [{"type": "Primary", "source": "nvd@nist.gov", "description": [{"lang": "en", "value": "NVD-CWE-noinfo"}]}], "descriptions": [{"lang": "en", "value": "The unicode latin 'kra' character can be used to spoof a standard 'k' character in the addressbar. This allows for domain spoofing attacks as do not display as punycode text, allowing for user confusion. This vulnerability affects Firefox < 68."}, {"lang": "es", "value": "El car\u00e1cter latino 'kra' de Unicode puede ser usado para falsificar un car\u00e1cter 'k' est\u00e1ndar en la barra de direcciones. Esto permite que los ataques de suplantaci\u00f3n de dominio no se muestren como texto de c\u00f3digo p\u00fany, lo que permite la confusi\u00f3n del usuario. Esta vulnerabilidad afecta a Firefox anterior a versi\u00f3n 68."}], "lastModified": "2024-11-21T04:21:39.840", "configurations": [{"nodes": [{"negate": false, "cpeMatch": [{"criteria": "cpe:2.3:a:mozilla:firefox:*:*:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "BB53FE62-B5D2-497B-A7E3-40FFE81A9653", "versionEndExcluding": "68.0"}], "operator": "OR"}]}, {"nodes": [{"negate": false, "cpeMatch": [{"criteria": "cpe:2.3:o:opensuse:leap:15.0:*:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "F1E78106-58E6-4D59-990F-75DA575BFAD9"}, {"criteria": "cpe:2.3:o:opensuse:leap:15.1:*:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "B620311B-34A3-48A6-82DF-6F078D7A4493"}], "operator": "OR"}]}], "sourceIdentifier": "security@mozilla.org"}

6.5 /10

Attack Vector NETWORK

Attack Complexity LOW

Privileges Required NONE

User Interaction REQUIRED

Confidentiality Impact NONE

Integrity Impact HIGH

Availability Impact NONE

Scope UNCHANGED

4.3 /10

Access Vector NETWORK

Access Complexity MEDIUM

Authentication NONE

Confidentiality Impact NONE

Integrity Impact PARTIAL

Availability Impact NONE

JSON object

Attach tags to CVE-2019-11721

6.5^/10

4.3^/10

Attach tags to `CVE-2019-11721`