Incorrect Permission Assignment for Critical Resource Affecting firefox package, versions <64.0-1
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Test your applications- Snyk ID SNYK-DEBIANUNSTABLE-FIREFOX-425838
- published 13 Dec 2018
- disclosed 28 Feb 2019
Introduced: 13 Dec 2018
CVE-2018-18495 Open this link in a new tabHow to fix?
Upgrade Debian:unstable
firefox
to version 64.0-1 or higher.
NVD Description
Note: Versions mentioned in the description apply only to the upstream firefox
package and not the firefox
package as distributed by Debian
.
See How to fix?
for Debian:unstable
relevant fixed versions and status.
WebExtension content scripts can be loaded into about: pages in some circumstances, in violation of the permissions granted to extensions. This could allow an extension to interfere with the loading and usage of these pages and use capabilities that were intended to be restricted from extensions. This vulnerability affects Firefox < 64.
References
- https://security-tracker.debian.org/tracker/CVE-2018-18495
- https://www.mozilla.org/security/advisories/mfsa2018-29/
- https://bugzilla.mozilla.org/show_bug.cgi?id=1427585
- http://www.securityfocus.com/bid/106167
- http://people.ubuntu.com/~ubuntu-security/cve/CVE-2018-18495
- https://usn.ubuntu.com/3844-1/