CVE-2017-7763

Default fonts on OS X display some Tibetan characters as whitespace. When used in the addressbar as part of an IDN this can be used for domain name spoofing attacks. Note: This attack only affects OS X operating systems. Other operating systems are unaffected. This vulnerability affects Firefox < 54, Firefox ESR < 52.2, and Thunderbird < 52.2.

CVSS v3.0 5.3 MEDIUM
CVSS v2.0 5.0 MEDIUM

5.3^/10

CVSS v3.0 : MEDIUM

Vector : AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:N

Exploitability : 3.9 / Impact : 1.4

Attack Vector NETWORK

Attack Complexity LOW

Privileges Required NONE

User Interaction NONE

Confidentiality Impact NONE

Integrity Impact LOW

Availability Impact NONE

Scope UNCHANGED

5.0^/10

CVSS v2.0 : MEDIUM

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

Exploitability : 10.0 / Impact : 2.9

Access Vector NETWORK

Access Complexity LOW

Authentication NONE

Confidentiality Impact NONE

Integrity Impact PARTIAL

Availability Impact NONE

References

Link	Resource
https://www.mozilla.org/security/advisories/mfsa2017-17/	Vendor Advisory
https://www.mozilla.org/security/advisories/mfsa2017-16/	Vendor Advisory
https://www.mozilla.org/security/advisories/mfsa2017-15/	Vendor Advisory
https://bugzilla.mozilla.org/show_bug.cgi?id=1360309	Issue Tracking Vendor Advisory
http://www.securitytracker.com/id/1038689	Third Party Advisory VDB Entry
http://www.securityfocus.com/bid/99057	Third Party Advisory VDB Entry

Advertisement

Configurations

Configuration 1 (hide)

AND

OR	cpe:2.3:a:mozilla:firefox::::::::
	cpe:2.3:a:mozilla:firefox_esr::::::::
	cpe:2.3:a:mozilla:thunderbird::::::::

cpe:2.3:o:apple:mac_os_x:-:*:*:*:*:*:*:*

Configuration 2 (hide)

OR	cpe:2.3:o:debian:debian_linux:9.0:::::::*
	cpe:2.3:o:debian:debian_linux:8.0:::::::*

Information

Published : 2018-06-11 14:29

Updated : 2018-08-14 05:40

NVD link : CVE-2017-7763

Mitre link : CVE-2017-7763

JSON object : View

CWE

CWE-20

Improper Input Validation

Advertisement

Products Affected

mozilla

firefox_esr
thunderbird
firefox

debian

debian_linux

apple

mac_os_x

{"cve": {"data_type": "CVE", "references": {"reference_data": [{"url": "https://www.mozilla.org/security/advisories/mfsa2017-17/", "name": "https://www.mozilla.org/security/advisories/mfsa2017-17/", "tags": ["Vendor Advisory"], "refsource": "CONFIRM"}, {"url": "https://www.mozilla.org/security/advisories/mfsa2017-16/", "name": "https://www.mozilla.org/security/advisories/mfsa2017-16/", "tags": ["Vendor Advisory"], "refsource": "CONFIRM"}, {"url": "https://www.mozilla.org/security/advisories/mfsa2017-15/", "name": "https://www.mozilla.org/security/advisories/mfsa2017-15/", "tags": ["Vendor Advisory"], "refsource": "CONFIRM"}, {"url": "https://bugzilla.mozilla.org/show_bug.cgi?id=1360309", "name": "https://bugzilla.mozilla.org/show_bug.cgi?id=1360309", "tags": ["Issue Tracking", "Vendor Advisory"], "refsource": "CONFIRM"}, {"url": "http://www.securitytracker.com/id/1038689", "name": "1038689", "tags": ["Third Party Advisory", "VDB Entry"], "refsource": "SECTRACK"}, {"url": "http://www.securityfocus.com/bid/99057", "name": "99057", "tags": ["Third Party Advisory", "VDB Entry"], "refsource": "BID"}]}, "data_format": "MITRE", "description": {"description_data": [{"lang": "en", "value": "Default fonts on OS X display some Tibetan characters as whitespace. When used in the addressbar as part of an IDN this can be used for domain name spoofing attacks. Note: This attack only affects OS X operating systems. Other operating systems are unaffected. This vulnerability affects Firefox < 54, Firefox ESR < 52.2, and Thunderbird < 52.2."}]}, "problemtype": {"problemtype_data": [{"description": [{"lang": "en", "value": "CWE-20"}]}]}, "data_version": "4.0", "CVE_data_meta": {"ID": "CVE-2017-7763", "ASSIGNER": "security@mozilla.org"}}, "impact": {"baseMetricV2": {"cvssV2": {"version": "2.0", "baseScore": 5.0, "accessVector": "NETWORK", "vectorString": "AV:N/AC:L/Au:N/C:N/I:P/A:N", "authentication": "NONE", "integrityImpact": "PARTIAL", "accessComplexity": "LOW", "availabilityImpact": "NONE", "confidentialityImpact": "NONE"}, "severity": "MEDIUM", "impactScore": 2.9, "obtainAllPrivilege": false, "exploitabilityScore": 10.0, "obtainUserPrivilege": false, "obtainOtherPrivilege": false, "userInteractionRequired": false}, "baseMetricV3": {"cvssV3": {"scope": "UNCHANGED", "version": "3.0", "baseScore": 5.3, "attackVector": "NETWORK", "baseSeverity": "MEDIUM", "vectorString": "CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:N", "integrityImpact": "LOW", "userInteraction": "NONE", "attackComplexity": "LOW", "availabilityImpact": "NONE", "privilegesRequired": "NONE", "confidentialityImpact": "NONE"}, "impactScore": 1.4, "exploitabilityScore": 3.9}}, "publishedDate": "2018-06-11T21:29Z", "configurations": {"nodes": [{"children": [{"children": [], "operator": "OR", "cpe_match": [{"cpe23Uri": "cpe:2.3:a:mozilla:firefox:*:*:*:*:*:*:*:*", "cpe_name": [], "vulnerable": true, "versionEndExcluding": "54.0"}, {"cpe23Uri": "cpe:2.3:a:mozilla:firefox_esr:*:*:*:*:*:*:*:*", "cpe_name": [], "vulnerable": true, "versionEndExcluding": "52.2.0"}, {"cpe23Uri": "cpe:2.3:a:mozilla:thunderbird:*:*:*:*:*:*:*:*", "cpe_name": [], "vulnerable": true, "versionEndExcluding": "52.2.0"}]}, {"children": [], "operator": "OR", "cpe_match": [{"cpe23Uri": "cpe:2.3:o:apple:mac_os_x:-:*:*:*:*:*:*:*", "cpe_name": [], "vulnerable": false}]}], "operator": "AND", "cpe_match": []}, {"children": [], "operator": "OR", "cpe_match": [{"cpe23Uri": "cpe:2.3:o:debian:debian_linux:9.0:*:*:*:*:*:*:*", "cpe_name": [], "vulnerable": true}, {"cpe23Uri": "cpe:2.3:o:debian:debian_linux:8.0:*:*:*:*:*:*:*", "cpe_name": [], "vulnerable": true}]}], "CVE_data_version": "4.0"}, "lastModifiedDate": "2018-08-14T12:40Z"}