CVE-2018-5121

CVSS V2 Medium 5 CVSS V3 Medium 5.3
Description
Low descenders on some Tibetan characters in several fonts on OS X are clipped when rendered in the addressbar. When used as part of an Internationalized Domain Name (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 < 58.
Overview
  • CVE ID
  • CVE-2018-5121
  • Assigner
  • security@mozilla.org
  • Vulnerability Status
  • Analyzed
  • Published Version
  • 2018-06-11T21:29:13
  • Last Modified Date
  • 2018-06-25T17:24:45
Weakness Enumerations
CWE URL
CWE-20 http://cwe.mitre.org/data/definitions/20.html
CPE Configuration (Product)
CPE Vulnerable Operator Version Start Version End
AND
cpe:2.3:a:mozilla:firefox:*:*:*:*:*:*:*:* 1 OR 57.0.4
cpe:2.3:o:apple:mac_os_x:*:*:*:*:*:*:*:* 0 OR
CVSS Version 2
  • Version
  • 2.0
  • Vector String
  • AV:N/AC:L/Au:N/C:N/I:P/A:N
  • Access Vector
  • NETWORK
  • Access Compatibility
  • LOW
  • Authentication
  • NONE
  • Confidentiality Impact
  • NONE
  • Integrity Impact
  • PARTIAL
  • Availability Impact
  • NONE
  • Base Score
  • 5
  • Severity
  • MEDIUM
  • Exploitability Score
  • 10
  • Impact Score
  • 2.9
CVSS Version 3
  • Version
  • 3.0
  • Vector String
  • CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:N
  • Attack Vector
  • NETWORK
  • Attack Compatibility
  • LOW
  • Privileges Required
  • NONE
  • User Interaction
  • NONE
  • Scope
  • UNCHANGED
  • Confidentiality Impact
  • NONE
  • Availability Impact
  • NONE
  • Base Score
  • 5.3
  • Base Severity
  • MEDIUM
  • Exploitability Score
  • 3.9
  • Impact Score
  • 1.4
References
Reference URL Reference Tags
https://www.mozilla.org/security/advisories/mfsa2018-02/ Vendor Advisory
https://bugzilla.mozilla.org/show_bug.cgi?id=1402368 Issue Tracking Permissions Required
http://www.securitytracker.com/id/1040270 Third Party Advisory VDB Entry
http://www.securityfocus.com/bid/102786 Third Party Advisory VDB Entry
Sources
Source Name Source URL
NIST https://nvd.nist.gov/vuln/detail/CVE-2018-5121
MITRE https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2018-5121
History
Created Old Value New Value Data Type Notes
2022-05-10 18:42:16 Added to TrackCVE
2022-12-03 07:53:04 2018-06-11T21:29Z 2018-06-11T21:29:13 CVE Published Date updated
2022-12-03 07:53:04 2018-06-25T17:24:45 CVE Modified Date updated
2022-12-03 07:53:04 Analyzed Vulnerability Status updated