CVE-2017-5397
UnknownEPSS 3.25%
Last modified
CVE-2017-5397 is a vulnerability of currently unknown severity. The cache directory on the local file system is set to be world writable. Firefox defaults to extracting libraries from this cache. EPSS estimates a 3.25% chance of exploitation in the next 30 days.
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.
Metrics
Weakness Enumeration
Affected Software
| Vendor | Product | Versions |
|---|---|---|
| Mozilla | Firefox | < 51.0.3 |
References
- http://www.securityfocus.com/bid/96144Third Party Advisory, VDB Entry
- https://bugzilla.mozilla.org/show_bug.cgi?id=1337304Issue Tracking, Patch, Vendor Advisory
- https://www.mozilla.org/security/advisories/mfsa2017-04/Vendor Advisory
- http://www.securityfocus.com/bid/96144Third Party Advisory, VDB Entry
- https://bugzilla.mozilla.org/show_bug.cgi?id=1337304Issue Tracking, Patch, Vendor Advisory
- https://www.mozilla.org/security/advisories/mfsa2017-04/Vendor Advisory
Timeline
- Published
- Last Modified
- Status
- Modified
Frequently Asked Questions
What is CVE-2017-5397?
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.
How severe is CVE-2017-5397?
Severity scoring for CVE-2017-5397 is pending analysis. The EPSS model estimates a 3.25% probability of exploitation in the next 30 days.
How do I fix CVE-2017-5397?
Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.
Are you affected by CVE-2017-5397?
Run a free Strix scan to check your systems for this vulnerability.
Scan your code nowSource: NVD / NIST