CVE-2018-5152

Description

WebExtensions with the appropriate permissions can attach content scripts to Mozilla sites such as accounts.firefox.com and listen to network traffic to the site through the "webRequest" API. For example, this allows for the interception of username and an encrypted password during login to Firefox Accounts. This issue does not expose synchronization traffic directly and is limited to the process of user login to the website and the data displayed to the user once logged in. This vulnerability affects Firefox < 60.

Category

6.5
CVSS
Severity: Medium
CVSS 3.0 •
CVSS 2.0 •
EPSS 0.63%
Vendor Advisory ubuntu.com Vendor Advisory mozilla.org
Affected: Mozilla Firefox
Published at:
Updated at:

References

Link Tags
https://www.mozilla.org/security/advisories/mfsa2018-11/ vendor advisory
http://www.securitytracker.com/id/1040896 vdb entry third party advisory
https://usn.ubuntu.com/3645-1/ third party advisory vendor advisory
https://bugzilla.mozilla.org/show_bug.cgi?id=1415644 issue tracking third party advisory patch
http://www.securityfocus.com/bid/104139 vdb entry third party advisory
https://bugzilla.mozilla.org/show_bug.cgi?id=1427289 issue tracking permissions required third party advisory

Frequently Asked Questions

What is the severity of CVE-2018-5152?
CVE-2018-5152 has been scored as a medium severity vulnerability.
How to fix CVE-2018-5152?
To fix CVE-2018-5152, 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-2018-5152 being actively exploited in the wild?
As for now, there are no information to confirm that CVE-2018-5152 is being actively exploited. 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-2018-5152?
CVE-2018-5152 affects Mozilla Firefox.
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