Vulnerability Monitor

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CVE-2017-12934

ext/standard/var_unserializer.re in PHP 7.0.x before 7.0.21 and 7.1.x before 7.1.7 is prone to a heap use after free while unserializing untrusted data, related to the zval_get_type function in Zend/zend_types.h. Exploitation of this issue can have an unspecified impact on the integrity of PHP.

Published

2017-08-18T03:29:00.260

Last Modified

2025-04-20T01:37:25.860

Status

Deferred

Source

[email protected]

Severity

CVSSv3.0: 7.5 (HIGH)

CVSSv2 Vector

AV:N/AC:L/Au:N/C:N/I:P/A:N

  • Access Vector: NETWORK
  • Access Complexity: LOW
  • Authentication: NONE
  • Confidentiality Impact: NONE
  • Integrity Impact: PARTIAL
  • Availability Impact: NONE
Exploitability Score

10.0

Impact Score

2.9

Weaknesses
  • Type: Primary
    CWE-416
Affected Vendors & Products
Type Vendor Product Version/Range Vulnerable?
Application php php 7.0.0 Yes
Application php php 7.0.1 Yes
Application php php 7.0.2 Yes
Application php php 7.0.3 Yes
Application php php 7.0.4 Yes
Application php php 7.0.5 Yes
Application php php 7.0.6 Yes
Application php php 7.0.7 Yes
Application php php 7.0.8 Yes
Application php php 7.0.9 Yes
Application php php 7.0.10 Yes
Application php php 7.0.11 Yes
Application php php 7.0.12 Yes
Application php php 7.0.13 Yes
Application php php 7.0.14 Yes
Application php php 7.0.15 Yes
Application php php 7.0.16 Yes
Application php php 7.0.17 Yes
Application php php 7.0.18 Yes
Application php php 7.0.19 Yes
Application php php 7.0.20 Yes
Application php php 7.1.0 Yes
Application php php 7.1.1 Yes
Application php php 7.1.2 Yes
Application php php 7.1.3 Yes
Application php php 7.1.4 Yes
Application php php 7.1.5 Yes
Application php php 7.1.6 Yes
References