CVE-2016-8670 Information
Share on:Description
Integer signedness error in the dynamicGetbuf function in gd_io_dp.c in the GD Graphics Library (aka libgd) through 2.2.3 as used in PHP before 5.6.28 and 7.x before 7.0.13 allows remote attackers to cause a denial of service (stack-based buffer overflow) or possibly have unspecified other impact via a crafted imagecreatefromstring call.
CVSS Vector
CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Reference
http://www.debian.org/security/2016/dsa-3693 http://www.openwall.com/lists/oss-security/2016/10/15/1 http://www.php.net/ChangeLog-5.php http://www.php.net/ChangeLog-7.php http://www.securityfocus.com/bid/93594 https://bugs.php.net/bug.php?id=73280 https://github.com/libgd/libgd/commit/53110871935244816bbb9d131da0bccff734bfe9 https://support.f5.com/csp/article/K21336065?utm_source=f5support&utm_medium=RSS
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