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Vulnerability details: VCID-v5s4-xa48-aaap
Vulnerability ID VCID-v5s4-xa48-aaap
Aliases CVE-2018-12399
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.
Status Published
Exploitability 0.5
Weighted Severity 9.0
Risk 4.5
Affected and Fixed Packages Package Details
Weaknesses (2)
CWE-287 Improper Authentication
CWE-290 Authentication Bypass by Spoofing
System Score Found at
generic_textual Low http://people.canonical.com/~ubuntu-security/cve/2018/CVE-2018-12399.html
cvssv3 4.3 https://access.redhat.com/hydra/rest/securitydata/cve/CVE-2018-12399.json
epss 0.00238 https://api.first.org/data/v1/epss?cve=CVE-2018-12399
epss 0.00238 https://api.first.org/data/v1/epss?cve=CVE-2018-12399
epss 0.00238 https://api.first.org/data/v1/epss?cve=CVE-2018-12399
epss 0.00238 https://api.first.org/data/v1/epss?cve=CVE-2018-12399
epss 0.00246 https://api.first.org/data/v1/epss?cve=CVE-2018-12399
epss 0.00246 https://api.first.org/data/v1/epss?cve=CVE-2018-12399
epss 0.00341 https://api.first.org/data/v1/epss?cve=CVE-2018-12399
epss 0.00341 https://api.first.org/data/v1/epss?cve=CVE-2018-12399
epss 0.00341 https://api.first.org/data/v1/epss?cve=CVE-2018-12399
epss 0.00341 https://api.first.org/data/v1/epss?cve=CVE-2018-12399
epss 0.00341 https://api.first.org/data/v1/epss?cve=CVE-2018-12399
epss 0.00341 https://api.first.org/data/v1/epss?cve=CVE-2018-12399
epss 0.00341 https://api.first.org/data/v1/epss?cve=CVE-2018-12399
epss 0.00341 https://api.first.org/data/v1/epss?cve=CVE-2018-12399
epss 0.0057 https://api.first.org/data/v1/epss?cve=CVE-2018-12399
epss 0.0057 https://api.first.org/data/v1/epss?cve=CVE-2018-12399
epss 0.0057 https://api.first.org/data/v1/epss?cve=CVE-2018-12399
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epss 0.0057 https://api.first.org/data/v1/epss?cve=CVE-2018-12399
epss 0.0057 https://api.first.org/data/v1/epss?cve=CVE-2018-12399
epss 0.0057 https://api.first.org/data/v1/epss?cve=CVE-2018-12399
epss 0.0057 https://api.first.org/data/v1/epss?cve=CVE-2018-12399
epss 0.0057 https://api.first.org/data/v1/epss?cve=CVE-2018-12399
epss 0.0057 https://api.first.org/data/v1/epss?cve=CVE-2018-12399
epss 0.0057 https://api.first.org/data/v1/epss?cve=CVE-2018-12399
epss 0.0057 https://api.first.org/data/v1/epss?cve=CVE-2018-12399
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epss 0.0057 https://api.first.org/data/v1/epss?cve=CVE-2018-12399
epss 0.0057 https://api.first.org/data/v1/epss?cve=CVE-2018-12399
epss 0.0057 https://api.first.org/data/v1/epss?cve=CVE-2018-12399
epss 0.0057 https://api.first.org/data/v1/epss?cve=CVE-2018-12399
epss 0.0057 https://api.first.org/data/v1/epss?cve=CVE-2018-12399
epss 0.0057 https://api.first.org/data/v1/epss?cve=CVE-2018-12399
epss 0.0057 https://api.first.org/data/v1/epss?cve=CVE-2018-12399
epss 0.0057 https://api.first.org/data/v1/epss?cve=CVE-2018-12399
epss 0.0057 https://api.first.org/data/v1/epss?cve=CVE-2018-12399
epss 0.0057 https://api.first.org/data/v1/epss?cve=CVE-2018-12399
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epss 0.0057 https://api.first.org/data/v1/epss?cve=CVE-2018-12399
epss 0.0057 https://api.first.org/data/v1/epss?cve=CVE-2018-12399
epss 0.0057 https://api.first.org/data/v1/epss?cve=CVE-2018-12399
epss 0.0057 https://api.first.org/data/v1/epss?cve=CVE-2018-12399
epss 0.0057 https://api.first.org/data/v1/epss?cve=CVE-2018-12399
epss 0.0057 https://api.first.org/data/v1/epss?cve=CVE-2018-12399
epss 0.0057 https://api.first.org/data/v1/epss?cve=CVE-2018-12399
epss 0.0057 https://api.first.org/data/v1/epss?cve=CVE-2018-12399
epss 0.0057 https://api.first.org/data/v1/epss?cve=CVE-2018-12399
epss 0.0057 https://api.first.org/data/v1/epss?cve=CVE-2018-12399
epss 0.01342 https://api.first.org/data/v1/epss?cve=CVE-2018-12399
rhbs low https://bugzilla.redhat.com/show_bug.cgi?id=1693614
generic_textual Low https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2018-12399
cvssv2 4.3 https://nvd.nist.gov/vuln/detail/CVE-2018-12399
cvssv3 4.3 https://nvd.nist.gov/vuln/detail/CVE-2018-12399
archlinux Critical https://security.archlinux.org/AVG-787
generic_textual Low https://ubuntu.com/security/notices/USN-3801-1
generic_textual Low https://usn.ubuntu.com/usn/usn-3801-1
generic_textual critical https://www.mozilla.org/en-US/security/advisories/mfsa2018-26
generic_textual Low https://www.mozilla.org/en-US/security/advisories/mfsa2018-26/#CVE-2018-12399
Reference id Reference type URL
http://people.canonical.com/~ubuntu-security/cve/2018/CVE-2018-12399.html
https://access.redhat.com/hydra/rest/securitydata/cve/CVE-2018-12399.json
https://api.first.org/data/v1/epss?cve=CVE-2018-12399
https://bugzilla.mozilla.org/show_bug.cgi?id=1490276
https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2018-12399
https://ubuntu.com/security/notices/USN-3801-1
https://usn.ubuntu.com/3801-1/
https://usn.ubuntu.com/usn/usn-3801-1
https://www.mozilla.org/en-US/security/advisories/mfsa2018-26/#CVE-2018-12399
https://www.mozilla.org/security/advisories/mfsa2018-26/
http://www.securityfocus.com/bid/105721
http://www.securitytracker.com/id/1041944
1693614 https://bugzilla.redhat.com/show_bug.cgi?id=1693614
ASA-201810-14 https://security.archlinux.org/ASA-201810-14
AVG-787 https://security.archlinux.org/AVG-787
cpe:2.3:a:mozilla:firefox:*:*:*:*:*:*:*:* https://nvd.nist.gov/vuln/search/results?adv_search=true&isCpeNameSearch=true&query=cpe:2.3:a:mozilla:firefox:*:*:*:*:*:*:*:*
cpe:2.3:o:canonical:ubuntu_linux:14.04:*:*:*:lts:*:*:* https://nvd.nist.gov/vuln/search/results?adv_search=true&isCpeNameSearch=true&query=cpe:2.3:o:canonical:ubuntu_linux:14.04:*:*:*:lts:*:*:*
cpe:2.3:o:canonical:ubuntu_linux:16.04:*:*:*:lts:*:*:* https://nvd.nist.gov/vuln/search/results?adv_search=true&isCpeNameSearch=true&query=cpe:2.3:o:canonical:ubuntu_linux:16.04:*:*:*:lts:*:*:*
cpe:2.3:o:canonical:ubuntu_linux:18.04:*:*:*:lts:*:*:* https://nvd.nist.gov/vuln/search/results?adv_search=true&isCpeNameSearch=true&query=cpe:2.3:o:canonical:ubuntu_linux:18.04:*:*:*:lts:*:*:*
cpe:2.3:o:canonical:ubuntu_linux:18.10:*:*:*:*:*:*:* https://nvd.nist.gov/vuln/search/results?adv_search=true&isCpeNameSearch=true&query=cpe:2.3:o:canonical:ubuntu_linux:18.10:*:*:*:*:*:*:*
CVE-2018-12399 https://nvd.nist.gov/vuln/detail/CVE-2018-12399
mfsa2018-26 https://www.mozilla.org/en-US/security/advisories/mfsa2018-26
No exploits are available.
Vector: CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:L/A:N Found at https://access.redhat.com/hydra/rest/securitydata/cve/CVE-2018-12399.json
Attack Vector (AV) Attack Complexity (AC) Privileges Required (PR) User Interaction (UI) Scope (S) Confidentiality Impact (C) Integrity Impact (I) Availability Impact (A)

network

adjacent_network

local

physical

low

high

none

low

high

none

required

unchanged

changed

high

low

none

high

low

none

high

low

none
Vector: AV:N/AC:M/Au:N/C:N/I:P/A:N Found at https://nvd.nist.gov/vuln/detail/CVE-2018-12399
Exploitability (E) Access Vector (AV) Access Complexity (AC) Authentication (Au) Confidentiality Impact (C) Integrity Impact (I) Availability Impact (A)

high

functional

unproven

proof_of_concept

not_defined

local

adjacent_network

network

high

medium

low

multiple

single

none

none

partial

complete

none

partial

complete

none

partial

complete
Vector: CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:L/A:N Found at https://nvd.nist.gov/vuln/detail/CVE-2018-12399
Attack Vector (AV) Attack Complexity (AC) Privileges Required (PR) User Interaction (UI) Scope (S) Confidentiality Impact (C) Integrity Impact (I) Availability Impact (A)

network

adjacent_network

local

physical

low

high

none

low

high

none

required

unchanged

changed

high

low

none

high

low

none

high

low

none
Exploit Prediction Scoring System (EPSS)
Percentile 0.61383
EPSS Score 0.00238
Published At Dec. 17, 2024, midnight
Date Actor Action Source VulnerableCode Version
There are no relevant records.