CVE-2016-6294 Information
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The locale_accept_from_http function in ext/intl/locale/locale_methods.c in PHP before 5.5.38 5.6.x before 5.6.24 and 7.x before 7.0.9 does not properly restrict calls to the ICU uloc_acceptLanguageFromHTTP function which allows remote attackers to cause a denial of service (out-of-bounds read) or possibly have unspecified other impact via a call with a long argument.
CVSS Vector
CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Reference
http://git.php.net/?p=php-src.git;a=commit;h=aa82e99ed8003c01f1ef4f0940e56b85c5b032d4 http://lists.apple.com/archives/security-announce/2016/Sep/msg00006.html http://openwall.com/lists/oss-security/2016/07/24/2 http://php.net/ChangeLog-5.php http://php.net/ChangeLog-7.php http://rhn.redhat.com/errata/RHSA-2016-2750.html http://www.debian.org/security/2016/dsa-3631 http://www.securityfocus.com/bid/92115 http://www.securitytracker.com/id/1036430 https://bugs.php.net/72533 https://security.gentoo.org/glsa/201611-22 https://support.apple.com/HT207170
Attack Complexity
LOW
Privileges Required
NONE
User Interaction Required
NONE
Scope
NONE
Confidentiality Impact
UNCHANGED
Integrity Impact
HIGH
Availability Impact
HIGH
Base Score
HIGH
Base Severity
9.8