Attacker Value
Unknown
(0 users assessed)
Exploitability
Unknown
(0 users assessed)
User Interaction
Required
Privileges Required
None
Attack Vector
Network
0

CVE-2016-5766

Disclosure Date: August 07, 2016 •
CVE-2016-5766 CVSS v3 Base Score: 8.8
Add MITRE ATT&CK tactics and techniques that apply to this CVE.

Description

Integer overflow in the _gd2GetHeader function in gd_gd2.c in the GD Graphics Library (aka libgd) before 2.2.3, as used in PHP before 5.5.37, 5.6.x before 5.6.23, and 7.x before 7.0.8, allows remote attackers to cause a denial of service (heap-based buffer overflow and application crash) or possibly have unspecified other impact via crafted chunk dimensions in an image.

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CVSS V3 Severity and Metrics
Base Score:
8.8 High
Impact Score:
5.9
Exploitability Score:
2.8
Vector:
CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
Attack Vector (AV):
Network
Attack Complexity (AC):
Low
Privileges Required (PR):
None
User Interaction (UI):
Required
Scope (S):
Unchanged
Confidentiality (C):
High
Integrity (I):
High
Availability (A):
High

General Information

Offensive Application
Unknown
Utility Class
Unknown
Ports
Unknown
OS
Unknown
Vulnerable Versions
n/a
Prerequisites
Unknown
Discovered By
Unknown
PoC Author
Unknown
Metasploit Module
Unknown
Reporter
Unknown

Vendors

  • debian,
  • fedoraproject,
  • freebsd,
  • libgd,
  • redhat

Products

  • debian linux 8.0,
  • enterprise linux 5,
  • enterprise linux 6.0,
  • enterprise linux 7.0,
  • fedora 22,
  • fedora 23,
  • fedora 24,
  • freebsd 10.0,
  • freebsd 10.1,
  • freebsd 10.2,
  • freebsd 10.3,
  • freebsd 8.0,
  • freebsd 8.1,
  • freebsd 8.2,
  • freebsd 8.3,
  • freebsd 8.4,
  • freebsd 9.0,
  • freebsd 9.1,
  • freebsd 9.2,
  • freebsd 9.3,
  • libgd 2.2.2,
  • openshift 2.0
Technical Analysis