Vulnerability Details : 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.
Vulnerability category: File inclusion
Products affected by CVE-2017-5397
- cpe:2.3:a:mozilla:firefox:*:*:*:*:*:*:*:*
Exploit prediction scoring system (EPSS) score for CVE-2017-5397
0.33%
Probability of exploitation activity in the next 30 days
EPSS Score History
~ 67 %
Percentile, the proportion of vulnerabilities that are scored at or less
CVSS scores for CVE-2017-5397
| Base Score | Base Severity | CVSS Vector | Exploitability Score | Impact Score | Score Source | First Seen |
|---|---|---|---|---|---|---|
|
10.0
|
HIGH | AV:N/AC:L/Au:N/C:C/I:C/A:C |
10.0
|
10.0
|
NIST | |
|
9.8
|
CRITICAL | CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H |
3.9
|
5.9
|
NIST |
CWE ids for CVE-2017-5397
-
The product imports, requires, or includes executable functionality (such as a library) from a source that is outside of the intended control sphere.Assigned by: nvd@nist.gov (Primary)
References for CVE-2017-5397
-
https://www.mozilla.org/security/advisories/mfsa2017-04/
Security vulnerabilities fixed in Firefox 51.0.3 — MozillaVendor Advisory
-
http://www.securityfocus.com/bid/96144
Mozilla Firefox for Android CVE-2017-5397 Security Bypass VulnerabilityThird Party Advisory;VDB Entry
-
https://bugzilla.mozilla.org/show_bug.cgi?id=1337304
1337304 - (CVE-2017-5397) Fennec cache directory is world writableIssue Tracking;Patch;Vendor Advisory
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