[Secure-testing-team] Bug#785352: stunnel4: CVE-2015-3644

[Salvatore Bonaccorso]

Source: stunnel4
Version: 3:5.06-2
Severity: grave
Tags: security upstream fixed-upstream

Hi,

the following vulnerability was published for stunnel4. Could you
please have a look at it. I was not able to isolate a fix yet, so just
reporting to the BTS.

CVE-2015-3644[0]:
| 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.

If you fix the vulnerability please also make sure to include the
CVE (Common Vulnerabilities & Exposures) id in your changelog entry.

For further information see:

[0] https://security-tracker.debian.org/tracker/CVE-2015-3644
[1] https://www.stunnel.org/CVE-2015-3644.html

Please adjust the affected versions in the BTS as needed.

Regards,
Salvatore