CVE-2015-8838
MEDIUM severity · CVSS 5.9 · Improper access control
5.9CVSS MEDIUM
Summary
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.
Impact & exploitability
Attack vectorNetwork
Attack complexityHigh
Privileges requiredNone
User interactionNone
Confidentiality impactNone
Integrity impactHigh
Availability impactNone
Exploit probability (EPSS)2%
CVSS:3.0/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:H/A:N
Affected products we track (1)
Recommendation
Apply the vendor fix in your normal patch cycle. Open any affected product above for its exact safe version.
Additional information
- NVD record
- http://git.php.net/?p=php-src.git%3Ba=commit%3Bh=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