Vulnerability in Mozilla Firefox
CVE-2017-7830
The Resource Timing API incorrectly revealed navigations in cross-origin iframes. This is a same-origin policy violation and could allow for data theft of URLs loaded by users. This vulnerability affects Firefox < 57, Firefox ESR < 52.5, and Thunderbird < 52.5.
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: 0.025 (83.8th percentile), scored .
Low probability of exploitation in the next 30 days, but still tracked. 84th percentile — 83.8% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.025 · newest: 0.025 · change: 0.000
Affected products
- Mozilla Firefox — versions unspecified
- Mozilla Firefox Esr — versions unspecified
- Mozilla Thunderbird — versions unspecified
- Debian Linux — versions 7.0, 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 7.4
- Red Hat Enterprise Linux Server Eus — versions 7.4, 7.5
- Red Hat Enterprise Linux Workstation — versions 6.0, 7.0
References
- lists.debian.org/debian-lts-announce/2017/12/msg00001.html (mailing-list, Third Party Advisory)
- www.debian.org/security/2017/dsa-4035 (vendor-advisory, Third Party Advisory)
- www.mozilla.org/security/advisories/mfsa2017-24/ (Vendor Advisory)
- www.mozilla.org/security/advisories/mfsa2017-25/ (Vendor Advisory)
- www.securityfocus.com/bid/101832 (VDB Entry, Third Party Advisory, vdb-entry)
- www.mozilla.org/security/advisories/mfsa2017-26/ (Vendor Advisory)
- www.securitytracker.com/id/1039803 (VDB Entry, Third Party Advisory, vdb-entry)
- www.debian.org/security/2017/dsa-4061 (vendor-advisory, Third Party Advisory)
- lists.debian.org/debian-lts-announce/2017/11/msg00018.html (mailing-list, Third Party Advisory)
- bugzilla.mozilla.org/show_bug.cgi (Permissions Required, Third Party Advisory, Issue Tracking)
Frequently asked questions
- What is CVE-2017-7830?
- CVE-2017-7830 is a medium-severity vulnerability in Mozilla Firefox. CVSS score: 6.5/10. Published 2018-06-11.
- How severe is CVE-2017-7830?
- Medium severity. CVSS v3 base score is 6.5 out of 10.