High severity · published Oct 18, 2018
CVE-2018-12370
In Reader View SameSite cookie protections are not checked on exiting
8.8
CVSS
1.1%
EPSS
No
On KEV
Description
In Reader View SameSite cookie protections are not checked on exiting. This allows for a payload to be triggered when Reader View is exited if loaded by a malicious site while Reader mode is active, bypassing CSRF protections. This vulnerability affects Firefox < 61.
CVSS vector
CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
Attack vector
Network
Complexity
Low
Privileges
None
User interaction
Required
Confidentiality
High
Integrity
High
Availability
High
Scope
Unchanged
Exploitation
Is it being used?
Exploit prediction (EPSS)1.1% · higher than 66% of CVEs
Exploited in the wildNo evidence yet
CISA KEVNot listed
Ransomware campaign useNot known
Affected products
Which versions
FI
Firefox · Mozilla
before 61.0 · source: NVD
UL
Ubuntu Linux · Canonical
14.04; 16.04; 17.10; 18.04 · source: NVD
References
NVD
https://nvd.nist.gov/vuln/detail/CVE-2018-12370
CVE.org
https://www.cve.org/CVERecord?id=CVE-2018-12370
Third Party Advisory
http://www.securitytracker.com/id/1041193
Issue Tracking
https://bugzilla.mozilla.org/show_bug.cgi?id=1456652
Third Party Advisory
https://security.gentoo.org/glsa/201810-01
Third Party Advisory
https://usn.ubuntu.com/3705-1/
Vendor Advisory
https://www.mozilla.org/security/advisories/mfsa2018-15/
More from Firefox
10.0
CVE-2019-11708
Mozilla Firefox and Thunderbird Sandbox Escape Vulnerability
9.8
CVE-2024-9680
Mozilla Firefox Use-After-Free Vulnerability
9.8
CVE-2010-3765
Mozilla Multiple Products Remote Code Execution Vulnerability
9.6
CVE-2022-26486
Mozilla Firefox Use-After-Free Vulnerability
8.8
CVE-2023-5217
Google Chromium libvpx Heap Buffer Overflow Vulnerability