Information disclosure in Mozilla Firefox
CVE-2017-5408
Video files loaded video captions cross-origin without checking for the presence of CORS headers permitting such cross-origin use, leading to potential information disclosure for video captions. This vulnerability affects Firefox < 52, Firefox ESR < 45.8, Thunderbird < 52, and Thunderbird < 45.8.
Vulnerability class: Information Disclosure
EPSS: 0.026 (83.9th percentile) — read the EPSS interpretation.
CVSS v3 metric
CVSS v3 base score 5.3 (Medium). Vector: CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N.
Affected products
- Mozilla Firefox — versions unspecified
- Mozilla Firefox Esr — versions unspecified
- Mozilla Thunderbird — versions unspecified
- Debian Debian_linux — versions 8.0
- Redhat Enterprise_linux — versions 5.0, 6.0, 7.0
- Redhat Enterprise_linux_desktop — versions 5.0, 6.0, 7.0
- Redhat Enterprise_linux_server — versions 5.0, 6.0, 7.0
- Redhat Enterprise_linux_server_aus — versions 7.3, 7.4
- Redhat Enterprise_linux_server_eus — versions 7.3, 7.4, 7.5
- Redhat Enterprise_linux_workstation — versions 5.0, 6.0, 7.0
Weakness classification (CWE)
References
- security@mozilla.org (x_refsource_CONFIRM, Exploit, Patch, Issue Tracking, Vendor Advisory)
- security@mozilla.org (VDB Entry, Third Party Advisory, vdb-entry, x_refsource_BID)
- security@mozilla.org (x_refsource_REDHAT, vendor-advisory, Third Party Advisory)
- security@mozilla.org (x_refsource_CONFIRM, Vendor Advisory)
- security@mozilla.org (vendor-advisory, Third Party Advisory, x_refsource_DEBIAN)
- security@mozilla.org (x_refsource_CONFIRM, Vendor Advisory)
- security@mozilla.org (x_refsource_CONFIRM, Vendor Advisory)
- security@mozilla.org (VDB Entry, Third Party Advisory, vdb-entry, x_refsource_SECTRACK)
- security@mozilla.org (vendor-advisory, Third Party Advisory, x_refsource_GENTOO)
- security@mozilla.org (x_refsource_REDHAT, vendor-advisory, Third Party Advisory)
Frequently asked questions
- What is CVE-2017-5408?
- CVE-2017-5408 is a medium-severity vulnerability in Mozilla Firefox, classified under Information Disclosure. CVSS score: 5.3/10. Published 2018-06-11.
- How severe is CVE-2017-5408?
- Medium severity. CVSS v3 base score is 5.3 out of 10.