CyberRota Analysis
This is a medium severity vulnerability with a CVSS score of 5.3. Public exploit code or proof-of-concept references have been detected in its references.
Public Exploit Signal
A public exploit, PoC, GitHub repository or Metasploit reference was detected for this CVE.
GitHub PoC Links
External Security References
Note: these links are listed for security research and verification purposes only.
CVE
CVE-2018-18509
Severity
MEDIUM
CVSS
5.3
EPSS
1.68%
Original NVD 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.
Related CVEs
Other vulnerabilities affecting the same vendor(s)