Vulnerability Description
The cache directory on the local file system is set to be world writable. Firefox defaults to extracting libraries from this cache. This allows for the possibility of an installed malicious application or tools with write access to the file system to replace files used by Firefox with their own versions. This vulnerability affects Firefox < 51.0.3.
CVSS Score
CRITICAL
Affected Products
| Vendor | Product | Versions |
|---|---|---|
| Mozilla | Firefox | < 51.0.3 |
Related Weaknesses (CWE)
References
- http://www.securityfocus.com/bid/96144Third Party AdvisoryVDB Entry
- https://bugzilla.mozilla.org/show_bug.cgi?id=1337304Issue TrackingPatchVendor Advisory
- https://www.mozilla.org/security/advisories/mfsa2017-04/Vendor Advisory
- http://www.securityfocus.com/bid/96144Third Party AdvisoryVDB Entry
- https://bugzilla.mozilla.org/show_bug.cgi?id=1337304Issue TrackingPatchVendor Advisory
- https://www.mozilla.org/security/advisories/mfsa2017-04/Vendor Advisory
FAQ
What is CVE-2017-5397?
CVE-2017-5397 is a vulnerability with a CVSS score of 9.8 (CRITICAL). The cache directory on the local file system is set to be world writable. Firefox defaults to extracting libraries from this cache. This allows for the possibility of an installed malicious applicatio...
How severe is CVE-2017-5397?
CVE-2017-5397 has been rated CRITICAL with a CVSS base score of 9.8/10. This is considered a critical vulnerability requiring immediate attention.
Is there a patch for CVE-2017-5397?
Check the references section above for vendor advisories and patch information. Affected products include: Mozilla Firefox.