CVE-2015-8838 Information
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ext/mysqlnd/mysqlnd.c in PHP before 5.4.43 5.5.x before 5.5.27 and 5.6.x before 5.6.11 uses a client SSL option to mean that SSL is optional which allows man-in-the-middle attackers to spoof servers via a cleartext-downgrade attack a related issue to CVE-2015-3152.
CVSS Vector
CVSS:3.0/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:H/A:N
Reference
http://git.php.net/?p=php-src.git;a=commit;h=97aa752fee61fccdec361279adbfb17a3c60f3f4 http://lists.opensuse.org/opensuse-security-announce/2016-04/msg00052.html http://lists.opensuse.org/opensuse-security-announce/2016-04/msg00056.html http://lists.opensuse.org/opensuse-security-announce/2016-04/msg00057.html http://lists.opensuse.org/opensuse-security-announce/2016-04/msg00058.html http://php.net/ChangeLog-5.php http://www.ubuntu.com/usn/USN-2952-1 http://www.ubuntu.com/usn/USN-2952-2 https://bugs.php.net/bug.php?id=69669
Attack Complexity
HIGH
Privileges Required
NONE
User Interaction Required
NONE
Scope
NONE
Confidentiality Impact
UNCHANGED
Integrity Impact
NONE
Availability Impact
HIGH
Base Score
NONE
Base Severity
5.9