CVE-2017-7790

Description

On Windows systems, if non-null-terminated strings are copied into the crash reporter for some specific registry keys, stack memory data can be copied until a null is found. This can potentially contain private data from the local system. Note: This attack only affects Windows operating systems. Other operating systems are not affected. This vulnerability affects Firefox < 55.

7.5

CVSS

Severity: High

CVSS 3.0 •

CVSS 2.0 •

EPSS 0.30%

Vendor Advisory mozilla.org Vendor Advisory mozilla.org

Affected: Mozilla Firefox

References

Link	Tags
https://www.mozilla.org/security/advisories/mfsa2017-18/	vendor advisory
https://bugzilla.mozilla.org/show_bug.cgi?id=1350460	issue tracking vendor advisory
http://www.securitytracker.com/id/1039124	vdb entry third party advisory

Frequently Asked Questions

What is the severity of CVE-2017-7790?: CVE-2017-7790 has been scored as a high severity vulnerability.
How to fix CVE-2017-7790?: To fix CVE-2017-7790, 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-2017-7790 being actively exploited in the wild?: As for now, there are no information to confirm that CVE-2017-7790 is being actively exploited. According to its EPSS score, there is a ~0% probability that this vulnerability will be exploited by malicious actors in the next 30 days.
What software or system is affected by CVE-2017-7790?: CVE-2017-7790 affects Mozilla Firefox.

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