#VU17765 Security restrictions bypass in msmtp - CVE-2019-8337
Published: February 19, 2019
Vulnerability identifier: #VU17765
Vulnerability risk: Low
CVSSv4.0: CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:L/VI:L/VA:L/SC:N/SI:N/SA:N/E:U/U:Clear
CVE-ID: CVE-2019-8337
CWE-ID: CWE-264
Exploitation vector: Remote access
Exploit availability:
No public exploit available
Vulnerable software:
msmtp
msmtp
Software vendor:
Martin Lambers
Martin Lambers
Description
The vulnerability allows a remote authenticated attacker to bypass security restrictions on the system.
The vulnerability exists due to improper certificate verification when the affected software uses the new system default value for the tls_trust_file command in its default configuration file. A remote attacker can send an email to an SMTP server and bypass certificate verification and conduct further attacks.
Remediation
Update to version 1.8.3.