CVE-2018-12373

Description

dDecrypted S/MIME parts hidden with CSS or the plaintext HTML tag can leak plaintext when included in a HTML reply/forward. This vulnerability affects Thunderbird < 52.9.

Category

6.5
CVSS
Severity: Medium
CVSS 3.0 •
CVSS 2.0 •
EPSS 0.47%
Vendor Advisory gentoo.org Vendor Advisory debian.org Vendor Advisory redhat.com Vendor Advisory redhat.com Vendor Advisory ubuntu.com Vendor Advisory mozilla.org Vendor Advisory mozilla.org Vendor Advisory mozilla.org
Affected: Mozilla Thunderbird
Published at:
Updated at:

References

Link Tags
http://www.securityfocus.com/bid/104613 vdb entry third party advisory
https://security.gentoo.org/glsa/201811-13 third party advisory vendor advisory
https://www.mozilla.org/security/advisories/mfsa2018-18/ vendor advisory
https://www.debian.org/security/2018/dsa-4244 third party advisory vendor advisory
https://bugzilla.mozilla.org/show_bug.cgi?id=1464056 issue tracking permissions required vendor advisory
https://bugzilla.mozilla.org/show_bug.cgi?id=1464667 issue tracking vendor advisory
https://access.redhat.com/errata/RHSA-2018:2252 third party advisory vendor advisory
https://lists.debian.org/debian-lts-announce/2018/07/msg00013.html third party advisory mailing list
https://access.redhat.com/errata/RHSA-2018:2251 third party advisory vendor advisory
https://usn.ubuntu.com/3714-1/ third party advisory vendor advisory

Frequently Asked Questions

What is the severity of CVE-2018-12373?
CVE-2018-12373 has been scored as a medium severity vulnerability.
How to fix CVE-2018-12373?
To fix CVE-2018-12373, 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-2018-12373 being actively exploited in the wild?
As for now, there are no information to confirm that CVE-2018-12373 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-2018-12373?
CVE-2018-12373 affects Mozilla Thunderbird.
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