CVE-2015-3644
stunnel4 - security update
EPSS 0.25%
Description
Stunnel 5.00 through 5.13, when using the redirect option, does not redirect client connections to the expected server after the initial connection, which allows remote attackers to bypass authentication.
How to fix CVE-2015-3644
To remediate CVE-2015-3644, upgrade the affected package to a fixed version below.
- Debian/stunnel4—upgrade to 3:5.18-1 or later
- Debian/stunnel4—upgrade to 3:5.06-2+deb8u1 or later
Is CVE-2015-3644 being exploited?
Low — EPSS is 0.2%, meaning exploitation activity has not been observed at scale.
Affected packages (2)
- from 0, < 3:5.18-1
- from 0, < 3:5.06-2+deb8u1