Vulnerability in Mozilla Firefox
CVE-2018-18494
A same-origin policy violation allowing the theft of cross-origin URL entries when using the Javascript location property to cause a redirection to another site using performance.getEntries(). This is a same-origin policy violation and could allow for data theft. This vulnerability affects Thunderbird < 60.4, Firefox ESR < 60.4, and Firefox < 64.
Published · last modified .
CVSS v3 metric
CVSS v3 base score 6.5 (Medium). Vector: CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:N/A:N.
EPSS exploit prediction
EPSS: 0.015 (74.1th percentile), scored .
Low probability of exploitation in the next 30 days, but still tracked. 74th percentile — 74.1% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.015 · newest: 0.015 · change: 0.000
Affected products
- Mozilla Firefox — versions unspecified
- Mozilla Firefox Esr — versions unspecified
- Mozilla Thunderbird — versions unspecified
- Canonical Ubuntu Linux — versions 14.04, 16.04, 18.04
- Debian Linux — versions 8.0, 9.0
- Red Hat Enterprise Linux Desktop — versions 6.0, 7.0
- Red Hat Enterprise Linux Server — versions 6.0, 7.0
- Red Hat Enterprise Linux Server Aus — versions 7.6
- Red Hat Enterprise Linux Server Eus — versions 7.6
- Red Hat Enterprise Linux Server Tus — versions 7.6
Weakness classification (CWE)
References
- www.mozilla.org/security/advisories/mfsa2018-29/ (Vendor Advisory)
- lists.debian.org/debian-lts-announce/2018/12/msg00002.html (mailing-list, Third Party Advisory)
- access.redhat.com/errata/RHSA-2018:3833 (vendor-advisory, Third Party Advisory)
- access.redhat.com/errata/RHSA-2018:3831 (vendor-advisory, Third Party Advisory)
- www.debian.org/security/2019/dsa-4362 (vendor-advisory, Third Party Advisory)
- security.gentoo.org/glsa/201903-04 (vendor-advisory, Third Party Advisory)
- usn.ubuntu.com/3844-1/ (vendor-advisory, Third Party Advisory)
- www.securityfocus.com/bid/106168 (VDB Entry, Third Party Advisory, vdb-entry)
- access.redhat.com/errata/RHSA-2019:0159 (vendor-advisory, Third Party Advisory)
- www.mozilla.org/security/advisories/mfsa2018-31/ (Vendor Advisory)
Frequently asked questions
- What is CVE-2018-18494?
- CVE-2018-18494 is a medium-severity vulnerability in Mozilla Firefox, classified under Origin Validation Error. CVSS score: 6.5/10. Published 2019-02-28.
- How severe is CVE-2018-18494?
- Medium severity. CVSS v3 base score is 6.5 out of 10.