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Vulnerability details: VCID-3x8p-3pq7-aaab
Vulnerability ID VCID-3x8p-3pq7-aaab
Aliases CVE-2018-5134
Summary WebExtensions may use "view-source:" URLs to view local "file:" URL content, as well as content stored in "about:cache", bypassing restrictions that only allow WebExtensions to view specific content. This vulnerability affects Firefox < 59.
Status Published
Exploitability 0.5
Weighted Severity 9.0
Risk 4.5
Affected and Fixed Packages Package Details
Weaknesses (1)
CWE-200 Exposure of Sensitive Information to an Unauthorized Actor
System Score Found at
generic_textual Medium http://people.canonical.com/~ubuntu-security/cve/2018/CVE-2018-5134.html
epss 0.00204 https://api.first.org/data/v1/epss?cve=CVE-2018-5134
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epss 0.00247 https://api.first.org/data/v1/epss?cve=CVE-2018-5134
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epss 0.01484 https://api.first.org/data/v1/epss?cve=CVE-2018-5134
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epss 0.01773 https://api.first.org/data/v1/epss?cve=CVE-2018-5134
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epss 0.01773 https://api.first.org/data/v1/epss?cve=CVE-2018-5134
epss 0.03385 https://api.first.org/data/v1/epss?cve=CVE-2018-5134
generic_textual Medium https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2018-5134
cvssv2 5.0 https://nvd.nist.gov/vuln/detail/CVE-2018-5134
cvssv3 7.5 https://nvd.nist.gov/vuln/detail/CVE-2018-5134
generic_textual Low https://ubuntu.com/security/notices/USN-3596-1
generic_textual critical https://www.mozilla.org/en-US/security/advisories/mfsa2018-06
generic_textual Low https://www.mozilla.org/en-US/security/advisories/mfsa2018-06/
Reference id Reference type URL
http://people.canonical.com/~ubuntu-security/cve/2018/CVE-2018-5134.html
https://api.first.org/data/v1/epss?cve=CVE-2018-5134
https://bugzilla.mozilla.org/show_bug.cgi?id=1429379
https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2018-5134
https://ubuntu.com/security/notices/USN-3596-1
https://usn.ubuntu.com/3596-1/
https://www.mozilla.org/en-US/security/advisories/mfsa2018-06/
https://www.mozilla.org/security/advisories/mfsa2018-06/
http://www.securityfocus.com/bid/103386
http://www.securitytracker.com/id/1040514
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:*:*:*:*:*:*:*:*
CVE-2018-5134 https://nvd.nist.gov/vuln/detail/CVE-2018-5134
mfsa2018-06 https://www.mozilla.org/en-US/security/advisories/mfsa2018-06
No exploits are available.
Vector: AV:N/AC:L/Au:N/C:P/I:N/A:N Found at https://nvd.nist.gov/vuln/detail/CVE-2018-5134
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:N/S:U/C:H/I:N/A:N Found at https://nvd.nist.gov/vuln/detail/CVE-2018-5134
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 0.58058
EPSS Score 0.00204
Published At Dec. 17, 2024, midnight
Date Actor Action Source VulnerableCode Version
There are no relevant records.