CVE-2018-18509
Thunderbird S/MIME Signature Spoofing Vulnerability
Description
A flaw during verification of certain S/MIME signatures causes emails to be shown in Thunderbird as having a valid digital signature, even if the shown message contents aren't covered by the signature. The flaw allows an attacker to reuse a valid S/MIME signature to craft an email message with arbitrary content. This vulnerability affects Thunderbird < 60.5.1.
INFO
Published Date :
April 26, 2019, 5:29 p.m.
Last Modified :
June 3, 2019, 7:29 p.m.
Source :
[email protected]
Remotely Exploitable :
Yes !
Impact Score :
1.4
Exploitability Score :
3.9
References to Advisories, Solutions, and Tools
Here, you will find a curated list of external links that provide in-depth
information, practical solutions, and valuable tools related to
CVE-2018-18509.
| URL | Resource |
|---|---|
| http://lists.opensuse.org/opensuse-security-announce/2019-04/msg00043.html | |
| http://packetstormsecurity.com/files/152703/Johnny-You-Are-Fired.html | Third Party Advisory VDB Entry |
| http://seclists.org/fulldisclosure/2019/Apr/38 | Mailing List Third Party Advisory |
| http://www.openwall.com/lists/oss-security/2019/04/30/4 | Mailing List Third Party Advisory |
| https://access.redhat.com/errata/RHSA-2019:1144 | |
| https://bugzilla.mozilla.org/show_bug.cgi?id=1507218 | Issue Tracking Permissions Required Vendor Advisory |
| https://github.com/RUB-NDS/Johnny-You-Are-Fired | |
| https://github.com/RUB-NDS/Johnny-You-Are-Fired/blob/master/paper/johnny-fired.pdf | |
| https://www.mozilla.org/security/advisories/mfsa2019-06/ | Vendor Advisory |
We scan GitHub repositories to detect new proof-of-concept exploits. Following list is a collection of public exploits and proof-of-concepts, which have been published on GitHub (sorted by the most recently updated).
Results are limited to the first 15 repositories due to potential performance issues.
The following list is the news that have been mention
CVE-2018-18509 vulnerability anywhere in the article.
The following table lists the changes that have been made to the
CVE-2018-18509 vulnerability over time.
Vulnerability history details can be useful for understanding the evolution of a vulnerability, and for identifying the most recent changes that may impact the vulnerability's severity, exploitability, or other characteristics.
-
CVE Modified by [email protected]
May. 14, 2024
Action Type Old Value New Value -
CVE Modified by [email protected]
Jun. 03, 2019
Action Type Old Value New Value Added Reference https://access.redhat.com/errata/RHSA-2019:1144 [No Types Assigned] -
CVE Modified by [email protected]
May. 28, 2019
Action Type Old Value New Value Added Reference https://github.com/RUB-NDS/Johnny-You-Are-Fired/blob/master/paper/johnny-fired.pdf [No Types Assigned] Added Reference https://github.com/RUB-NDS/Johnny-You-Are-Fired [No Types Assigned] Added Reference http://lists.opensuse.org/opensuse-security-announce/2019-04/msg00043.html [No Types Assigned] -
Modified Analysis by [email protected]
May. 10, 2019
Action Type Old Value New Value Changed Reference Type http://seclists.org/fulldisclosure/2019/Apr/38 No Types Assigned http://seclists.org/fulldisclosure/2019/Apr/38 Mailing List, Third Party Advisory Changed Reference Type http://packetstormsecurity.com/files/152703/Johnny-You-Are-Fired.html No Types Assigned http://packetstormsecurity.com/files/152703/Johnny-You-Are-Fired.html Third Party Advisory, VDB Entry Changed Reference Type http://www.openwall.com/lists/oss-security/2019/04/30/4 Third Party Advisory http://www.openwall.com/lists/oss-security/2019/04/30/4 Mailing List, Third Party Advisory -
CVE Modified by [email protected]
May. 02, 2019
Action Type Old Value New Value Added Reference http://packetstormsecurity.com/files/152703/Johnny-You-Are-Fired.html [No Types Assigned] -
CVE Modified by [email protected]
Apr. 30, 2019
Action Type Old Value New Value Added Reference http://seclists.org/fulldisclosure/2019/Apr/38 [No Types Assigned] -
Initial Analysis by [email protected]
Apr. 30, 2019
Action Type Old Value New Value Added CVSS V2 (AV:N/AC:L/Au:N/C:N/I:P/A:N) Added CVSS V3 AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:N Changed Reference Type http://www.openwall.com/lists/oss-security/2019/04/30/4 No Types Assigned http://www.openwall.com/lists/oss-security/2019/04/30/4 Third Party Advisory Changed Reference Type https://bugzilla.mozilla.org/show_bug.cgi?id=1507218 No Types Assigned https://bugzilla.mozilla.org/show_bug.cgi?id=1507218 Issue Tracking, Permissions Required, Vendor Advisory Changed Reference Type https://www.mozilla.org/security/advisories/mfsa2019-06/ No Types Assigned https://www.mozilla.org/security/advisories/mfsa2019-06/ Vendor Advisory Added CWE CWE-347 Added CPE Configuration OR *cpe:2.3:a:mozilla:thunderbird:*:*:*:*:*:*:*:* versions up to (excluding) 60.5.1 -
CVE Modified by [email protected]
Apr. 30, 2019
Action Type Old Value New Value Added Reference http://www.openwall.com/lists/oss-security/2019/04/30/4 [No Types Assigned]
CWE - Common Weakness Enumeration
While CVE identifies
specific instances of vulnerabilities, CWE categorizes the common flaws or
weaknesses that can lead to vulnerabilities. CVE-2018-18509 is
associated with the following CWEs:
Common Attack Pattern Enumeration and Classification (CAPEC)
Common Attack Pattern Enumeration and Classification
(CAPEC)
stores attack patterns, which are descriptions of the common attributes and
approaches employed by adversaries to exploit the CVE-2018-18509
weaknesses.
Exploit Prediction
EPSS is a daily estimate of the probability of exploitation activity being observed over the next 30 days.
0.79 }} -0.29%
score
0.81991
percentile