CVE-2015-8838
MEDIUMPHP < 5.4.43, 5.5.x < 5.5.27, 5.6.x < 5.6.11 - Cleartext Downgrade Attack via MySQLnd SSL Option
Title source: llmDescription
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.
References (9)
Core 9
Core References
Vendor Advisory vendor-advisory
x_refsource_ubuntu
http://www.ubuntu.com/usn/USN-2952-1
Various Sources x_refsource_confirm
https://bugs.php.net/bug.php?id=69669
Mailing List vendor-advisory
x_refsource_suse
http://lists.opensuse.org/opensuse-security-announce/2016-04/msg00058.html
Mailing List vendor-advisory
x_refsource_suse
http://lists.opensuse.org/opensuse-security-announce/2016-04/msg00056.html
Vendor Advisory vendor-advisory
x_refsource_ubuntu
http://www.ubuntu.com/usn/USN-2952-2
Various Sources x_refsource_confirm
http://php.net/ChangeLog-5.php
Various Sources x_refsource_confirm
http://git.php.net/?p=php-src.git%3Ba=commit%3Bh=97aa752fee61fccdec361279adbfb17a3c60f3f4
Mailing List vendor-advisory
x_refsource_suse
http://lists.opensuse.org/opensuse-security-announce/2016-04/msg00057.html
Mailing List vendor-advisory
x_refsource_suse
http://lists.opensuse.org/opensuse-security-announce/2016-04/msg00052.html
Scores
CVSS v3
5.9
EPSS
0.0066
EPSS Percentile
71.4%
Attack Vector
NETWORK
CVSS:3.0/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:H/A:N
Details
CWE
CWE-284
Status
published
Products (30)
php/php
5.5.0 (13 CPE variants)
php/php
5.5.1
php/php
5.5.2
php/php
5.5.3
php/php
5.5.4
php/php
5.5.5
php/php
5.5.6
php/php
5.5.7
php/php
5.5.8
php/php
5.5.9
... and 20 more
Published
May 16, 2016
Tracked Since
Feb 18, 2026