CVE-2015-8838

moderate-risk
Published 2016-05-16

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.

Do I need to act?

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0.66% chance of exploitation
EPSS score — low exploit probability
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Not on CISA KEV list
No confirmed active exploitation reported to CISA
?
Patch status unknown
Check vendor advisories for fix availability and mitigation guidance
5
CVSS 5.9/10 Medium
NETWORK / HIGH complexity

Affected Products (20)

Php
Php
Php
Php
Php
Php
Php
Php
Php
Php
Php
Php
Php
Php
Php
Php
Php
Php
Php
Php

Affected Vendors

Php

References (18)

http://git.php.net/?p=php-src.git%3Ba=commit%3Bh=97aa752fee61fccdec361279adbfb17...
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
http://git.php.net/?p=php-src.git%3Ba=commit%3Bh=97aa752fee61fccdec361279adbfb17...
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
47
/ 100
moderate-risk
Severity 18/34 · Moderate
Exploitability 2/34 · Minimal
Exposure 27/34 · High