Attacker Value
Unknown
(0 users assessed)
Exploitability
Unknown
(0 users assessed)
User Interaction
Unknown
Privileges Required
Unknown
Attack Vector
Unknown
0

CVE-2016-4538

Disclosure Date: May 22, 2016
Add MITRE ATT&CK tactics and techniques that apply to this CVE.

Description

The bcpowmod function in ext/bcmath/bcmath.c in PHP before 5.5.35, 5.6.x before 5.6.21, and 7.x before 7.0.6 modifies certain data structures without considering whether they are copies of the zero, one, or two global variable, which allows remote attackers to cause a denial of service or possibly have unspecified other impact via a crafted call.

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CVSS V3 Severity and Metrics
Base Score:
None
Impact Score:
Unknown
Exploitability Score:
Unknown
Vector:
Unknown
Attack Vector (AV):
Unknown
Attack Complexity (AC):
Unknown
Privileges Required (PR):
Unknown
User Interaction (UI):
Unknown
Scope (S):
Unknown
Confidentiality (C):
Unknown
Integrity (I):
Unknown
Availability (A):
Unknown

General Information

Vendors

  • fedoraproject,
  • opensuse,
  • php

Products

  • fedora 24,
  • leap 42.1,
  • php,
  • php 5.6.0,
  • php 5.6.1,
  • php 5.6.10,
  • php 5.6.11,
  • php 5.6.12,
  • php 5.6.13,
  • php 5.6.14,
  • php 5.6.15,
  • php 5.6.16,
  • php 5.6.17,
  • php 5.6.18,
  • php 5.6.19,
  • php 5.6.2,
  • php 5.6.20,
  • php 5.6.3,
  • php 5.6.4,
  • php 5.6.5,
  • php 5.6.6,
  • php 5.6.7,
  • php 5.6.8,
  • php 5.6.9,
  • php 7.0.0,
  • php 7.0.1,
  • php 7.0.2,
  • php 7.0.3,
  • php 7.0.4,
  • php 7.0.5
Technical Analysis