Critical severity · published Jan 4, 2017
CVE-2016-8670
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,…
9.8
CVSS
4.7%
EPSS
No
On KEV
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
Attack vector
Network
Complexity
Low
Privileges
None
User interaction
None
Confidentiality
High
Integrity
High
Availability
High
Scope
Unchanged
Exploitation
Is it being used?
Exploit prediction (EPSS)4.7% · higher than 92% of CVEs
Exploited in the wildNo evidence yet
CISA KEVNot listed
Ransomware campaign useNot known
Affected products
Which versions
LI
Libgd · Libgd
through 2.2.3 · source: NVD
References
NVD
https://nvd.nist.gov/vuln/detail/CVE-2016-8670
CVE.org
https://www.cve.org/CVERecord?id=CVE-2016-8670
www.debian.org
http://www.debian.org/security/2016/dsa-3693
Third Party Advisory
http://www.openwall.com/lists/oss-security/2016/10/15/1
Release Notes
http://www.php.net/ChangeLog-5.php
Release Notes
http://www.php.net/ChangeLog-7.php
www.securityfocus.com
http://www.securityfocus.com/bid/93594
Vendor Advisory
https://bugs.php.net/bug.php?id=73280
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