Vulnerability Monitor

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CVE-2015-0231

Use-after-free vulnerability in the process_nested_data function in ext/standard/var_unserializer.re in PHP before 5.4.37, 5.5.x before 5.5.21, and 5.6.x before 5.6.5 allows remote attackers to execute arbitrary code via a crafted unserialize call that leverages improper handling of duplicate numerical keys within the serialized properties of an object. NOTE: this vulnerability exists because of an incomplete fix for CVE-2014-8142.

Published

2015-01-27T20:03:41.097

Last Modified

2025-04-12T10:46:40.837

Status

Deferred

Source

[email protected]

Severity

CVSSv2: 7.5 (HIGH)

CVSSv2 Vector

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

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

10.0

Impact Score

6.4

Weaknesses
  • Type: Primary
    NVD-CWE-Other
Affected Vendors & Products
Type Vendor Product Version/Range Vulnerable?
Application php php ≤ 5.4.36 Yes
Application php php 5.4.0 Yes
Application php php 5.4.1 Yes
Application php php 5.4.2 Yes
Application php php 5.4.3 Yes
Application php php 5.4.4 Yes
Application php php 5.4.5 Yes
Application php php 5.4.6 Yes
Application php php 5.4.7 Yes
Application php php 5.4.8 Yes
Application php php 5.4.9 Yes
Application php php 5.4.10 Yes
Application php php 5.4.11 Yes
Application php php 5.4.12 Yes
Application php php 5.4.12 Yes
Application php php 5.4.12 Yes
Application php php 5.4.13 Yes
Application php php 5.4.13 Yes
Application php php 5.4.14 Yes
Application php php 5.4.14 Yes
Application php php 5.4.15 Yes
Application php php 5.4.16 Yes
Application php php 5.4.17 Yes
Application php php 5.4.18 Yes
Application php php 5.4.19 Yes
Application php php 5.4.20 Yes
Application php php 5.4.21 Yes
Application php php 5.4.22 Yes
Application php php 5.4.23 Yes
Application php php 5.4.24 Yes
Application php php 5.4.25 Yes
Application php php 5.4.26 Yes
Application php php 5.4.27 Yes
Application php php 5.4.28 Yes
Application php php 5.4.29 Yes
Application php php 5.4.30 Yes
Application php php 5.4.34 Yes
Application php php 5.4.35 Yes
Application php php 5.5.0 Yes
Application php php 5.5.0 Yes
Application php php 5.5.0 Yes
Application php php 5.5.0 Yes
Application php php 5.5.0 Yes
Application php php 5.5.0 Yes
Application php php 5.5.0 Yes
Application php php 5.5.0 Yes
Application php php 5.5.0 Yes
Application php php 5.5.0 Yes
Application php php 5.5.0 Yes
Application php php 5.5.0 Yes
Application php php 5.5.0 Yes
Application php php 5.5.1 Yes
Application php php 5.5.2 Yes
Application php php 5.5.3 Yes
Application php php 5.5.4 Yes
Application php php 5.5.5 Yes
Application php php 5.5.6 Yes
Application php php 5.5.7 Yes
Application php php 5.5.8 Yes
Application php php 5.5.9 Yes
Application php php 5.5.10 Yes
Application php php 5.5.11 Yes
Application php php 5.5.12 Yes
Application php php 5.5.13 Yes
Application php php 5.5.14 Yes
Application php php 5.5.15 Yes
Application php php 5.5.16 Yes
Application php php 5.5.17 Yes
Application php php 5.5.18 Yes
Application php php 5.5.19 Yes
Application php php 5.5.20 Yes
Application php php 5.6.0 Yes
Application php php 5.6.0 Yes
Application php php 5.6.0 Yes
Application php php 5.6.0 Yes
Application php php 5.6.0 Yes
Application php php 5.6.0 Yes
Application php php 5.6.0 Yes
Application php php 5.6.0 Yes
Application php php 5.6.0 Yes
Application php php 5.6.1 Yes
Application php php 5.6.2 Yes
Application php php 5.6.3 Yes
Application php php 5.6.4 Yes
References