Information disclosure in Mozilla Thunderbird
CVE-2018-12373
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.
Vulnerability class: Information Disclosure
Published · last modified .
CVSS v3 metric
CVSS v3 base score 6.5 (Medium). Vector: CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:N/A:N.
EPSS exploit prediction
EPSS: 0.024 (83.4th percentile), scored .
Low probability of exploitation in the next 30 days, but still tracked. 83rd percentile — 83.4% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.024 · newest: 0.024 · change: 0.000
Affected products
- Mozilla Thunderbird — versions unspecified
- Canonical Ubuntu Linux — versions 14.04, 16.04, 17.10
- Debian Linux — versions 8.0, 9.0
- Red Hat Enterprise Linux — versions 6.0, 7.0, 7.5
- Red Hat Enterprise Linux Desktop — versions 6.0, 7.0
- Red Hat Enterprise Linux Server — versions 6.0, 7.0
- Red Hat Enterprise Linux Workstation — versions 6.0, 7.0
Weakness classification (CWE)
References
- www.securityfocus.com/bid/104613 (VDB Entry, Third Party Advisory, vdb-entry)
- security.gentoo.org/glsa/201811-13 (vendor-advisory, Third Party Advisory)
- www.mozilla.org/security/advisories/mfsa2018-18/ (Vendor Advisory)
- www.debian.org/security/2018/dsa-4244 (vendor-advisory, Third Party Advisory)
- bugzilla.mozilla.org/show_bug.cgi (Vendor Advisory, Permissions Required, Issue Tracking)
- bugzilla.mozilla.org/show_bug.cgi (Issue Tracking, Vendor Advisory)
- access.redhat.com/errata/RHSA-2018:2252 (vendor-advisory, Third Party Advisory)
- lists.debian.org/debian-lts-announce/2018/07/msg00013.html (mailing-list, Mailing List, Third Party Advisory)
- access.redhat.com/errata/RHSA-2018:2251 (vendor-advisory, Third Party Advisory)
- usn.ubuntu.com/3714-1/ (vendor-advisory, Third Party Advisory)
Frequently asked questions
- What is CVE-2018-12373?
- CVE-2018-12373 is a medium-severity vulnerability in Mozilla Thunderbird, classified under Information Disclosure. CVSS score: 6.5/10. Published 2018-10-18.
- How severe is CVE-2018-12373?
- Medium severity. CVSS v3 base score is 6.5 out of 10.