Vulnerability Name:

CVE-2018-12399 (CCN-151898)

Assigned:2018-10-23
Published:2018-10-23
Updated:2019-03-01
Summary:When a new protocol handler is registered, the API accepts a title argument which can be used to mislead users about which domain is registering the new protocol. This may result in the user approving a protocol handler that they otherwise would not have. This vulnerability affects Firefox < 63.
CVSS v3 Severity:4.3 Medium (CVSS v3.1 Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:L/A:N)
3.8 Low (Temporal CVSS v3.1 Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:L/A:N/E:U/RL:O/RC:C)
Exploitability Metrics:Attack Vector (AV): Network
Attack Complexity (AC): Low
Privileges Required (PR): None
User Interaction (UI): Required
Scope:Scope (S): Unchanged
Impact Metrics:Confidentiality (C): None
Integrity (I): Low
Availibility (A): None
6.5 Medium (CCN CVSS v3.1 Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:H/A:N)
5.7 Medium (CCN Temporal CVSS v3.1 Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:H/A:N/E:U/RL:O/RC:C)
Exploitability Metrics:Attack Vector (AV): Network
Attack Complexity (AC): Low
Privileges Required (PR): None
User Interaction (UI): Required
Scope:Scope (S): Unchanged
Impact Metrics:Confidentiality (C): None
Integrity (I): High
Availibility (A): None
CVSS v2 Severity:4.3 Medium (CVSS v2 Vector: AV:N/AC:M/Au:N/C:N/I:P/A:N)
Exploitability Metrics:Access Vector (AV): Network
Access Complexity (AC): Medium
Authentication (Au): None
Impact Metrics:Confidentiality (C): None
Integrity (I): Partial
Availibility (A): None
6.8 Medium (CCN CVSS v2 Vector: AV:N/AC:L/Au:S/C:N/I:C/A:N)
Exploitability Metrics:Access Vector (AV): Network
Access Complexity (AC): Low
Athentication (Au): Single_Instance
Impact Metrics:Confidentiality (C): None
Integrity (I): Complete
Availibility (A): None
Vulnerability Type:CWE-287
Vulnerability Consequences:Gain Access
References:Source: MITRE
Type: CNA
CVE-2018-12399

Source: BID
Type: Third Party Advisory, VDB Entry
105721

Source: CCN
Type: BID-105721
Mozilla Firefox Multiple Security Vulnerabilities

Source: SECTRACK
Type: Third Party Advisory, VDB Entry
1041944

Source: CONFIRM
Type: Issue Tracking, Permissions Required, Vendor Advisory
https://bugzilla.mozilla.org/show_bug.cgi?id=1490276

Source: XF
Type: UNKNOWN
firefox-cve201812399-spoofing(151898)

Source: UBUNTU
Type: Third Party Advisory
USN-3801-1

Source: CCN
Type: Mozilla Foundation Security Advisory 2018-26
Security vulnerabilities fixed in Firefox 63

Source: CONFIRM
Type: Vendor Advisory
https://www.mozilla.org/security/advisories/mfsa2018-26/

Source: CCN
Type: WhiteSource Vulnerability Database
CVE-2018-12399

Vulnerable Configuration:Configuration 1:
  • cpe:/a:mozilla:firefox:*:*:*:*:*:*:*:* (Version < 63.0)

    • Configuration 2:
  • cpe:/o:canonical:ubuntu_linux:14.04:*:*:*:lts:*:*:*
  • OR cpe:/o:canonical:ubuntu_linux:16.04:*:*:*:lts:*:*:*
  • OR cpe:/o:canonical:ubuntu_linux:18.04:*:*:*:lts:*:*:*
  • OR cpe:/o:canonical:ubuntu_linux:18.10:*:*:*:*:*:*:*

    • * Denotes that component is vulnerable
    Oval Definitions
    Definition IDClassTitleLast Modified
    oval:org.opensuse.security:def:111899
    P
    		MozillaFirefox-92.0-1.2 on GA media (Moderate)
    2022-01-17
    oval:org.opensuse.security:def:105476
    P
    		MozillaFirefox-92.0-1.2 on GA media (Moderate)
    2021-10-01
    oval:com.ubuntu.disco:def:2018123990000000
    V
    		CVE-2018-12399 on Ubuntu 19.04 (disco) - low.
    2019-02-28
    oval:com.ubuntu.bionic:def:201812399000
    V
    		CVE-2018-12399 on Ubuntu 18.04 LTS (bionic) - low.
    2019-02-28
    oval:com.ubuntu.cosmic:def:2018123990000000
    V
    		CVE-2018-12399 on Ubuntu 18.10 (cosmic) - low.
    2019-02-28
    oval:com.ubuntu.cosmic:def:201812399000
    V
    		CVE-2018-12399 on Ubuntu 18.10 (cosmic) - low.
    2019-02-28
    oval:com.ubuntu.bionic:def:2018123990000000
    V
    		CVE-2018-12399 on Ubuntu 18.04 LTS (bionic) - low.
    2019-02-28
    oval:com.ubuntu.trusty:def:201812399000
    V
    		CVE-2018-12399 on Ubuntu 14.04 LTS (trusty) - low.
    2019-02-28
    oval:com.ubuntu.xenial:def:2018123990000000
    V
    		CVE-2018-12399 on Ubuntu 16.04 LTS (xenial) - low.
    2019-02-28
    oval:com.ubuntu.xenial:def:201812399000
    V
    		CVE-2018-12399 on Ubuntu 16.04 LTS (xenial) - low.
    2019-02-28
    BACK
    mozilla firefox *
    canonical ubuntu linux 14.04
    canonical ubuntu linux 16.04
    canonical ubuntu linux 18.04
    canonical ubuntu linux 18.10