CVE-2017-7759

Public Exploit

Description

Android intent URLs given to Firefox for Android can be used to navigate from HTTP or HTTPS URLs to local "file:" URLs, allowing for the reading of local data through a violation of same-origin policy. Note: This attack only affects Firefox for Android. Other operating systems are not affected. This vulnerability affects Firefox < 54.

Category

7.5
CVSS
Severity: High
CVSS 3.0 •
CVSS 2.0 •
EPSS 0.71% Top 30%
Vendor Advisory mozilla.org
Affected: Mozilla Firefox
Published at:
Updated at:

References

Link Tags
https://www.mozilla.org/security/advisories/mfsa2017-15/ vendor advisory
http://www.securitytracker.com/id/1038689 vdb entry third party advisory
http://www.securityfocus.com/bid/99052 vdb entry third party advisory
https://bugzilla.mozilla.org/show_bug.cgi?id=1356893 issue tracking exploit patch

Frequently Asked Questions

What is the severity of CVE-2017-7759?
CVE-2017-7759 has been scored as a high severity vulnerability.
How to fix CVE-2017-7759?
To fix CVE-2017-7759, make sure you are using an up-to-date version of the affected component(s) by checking the vendor release notes. As for now, there are no other specific guidelines available.
Is CVE-2017-7759 being actively exploited in the wild?
It is possible that CVE-2017-7759 is being exploited or will be exploited in a near future based on public information. According to its EPSS score, there is a ~1% probability that this vulnerability will be exploited by malicious actors in the next 30 days.
What software or system is affected by CVE-2017-7759?
CVE-2017-7759 affects Mozilla Firefox.
This platform uses data from the NIST NVD, MITRE CVE, MITRE CWE, First.org and CISA KEV but is not endorsed or certified by these entities. CVE is a registred trademark of the MITRE Corporation and the authoritative source of CVE content is MITRE's CVE web site. CWE is a registred trademark of the MITRE Corporation and the authoritative source of CWE content is MITRE's CWE web site.
© 2025 Under My Watch. All Rights Reserved.