Vulnerability Description
Mozilla Firefox before 41.0 does not properly restrict the availability of High Resolution Time API times, which allows remote attackers to track last-level cache access, and consequently obtain sensitive information, via crafted JavaScript code that makes performance.now calls.
CVSS Score
MEDIUM
Affected Products
| Vendor | Product | Versions |
|---|---|---|
| Mozilla | Firefox | <= 40.0.3 |
Related Weaknesses (CWE)
References
- http://arxiv.org/abs/1502.07373Exploit
- http://www.mozilla.org/security/announce/2015/mfsa2015-114.htmlVendor Advisory
- http://www.securitytracker.com/id/1033640
- https://bugzilla.mozilla.org/show_bug.cgi?id=1153672
- https://bugzilla.mozilla.org/show_bug.cgi?id=1167489
- http://arxiv.org/abs/1502.07373Exploit
- http://www.mozilla.org/security/announce/2015/mfsa2015-114.htmlVendor Advisory
- http://www.securitytracker.com/id/1033640
- https://bugzilla.mozilla.org/show_bug.cgi?id=1153672
- https://bugzilla.mozilla.org/show_bug.cgi?id=1167489
FAQ
What is CVE-2015-7327?
CVE-2015-7327 is a vulnerability with a CVSS score of 4.3 (MEDIUM). Mozilla Firefox before 41.0 does not properly restrict the availability of High Resolution Time API times, which allows remote attackers to track last-level cache access, and consequently obtain sensi...
How severe is CVE-2015-7327?
CVE-2015-7327 has been rated MEDIUM with a CVSS base score of 4.3/10. Review the CVSS metrics above for detailed severity breakdown.
Is there a patch for CVE-2015-7327?
Check the references section above for vendor advisories and patch information. Affected products include: Mozilla Firefox.