Vulnerability Monitor

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CVE-2009-4018

The proc_open function in ext/standard/proc_open.c in PHP before 5.2.11 and 5.3.x before 5.3.1 does not enforce the (1) safe_mode_allowed_env_vars and (2) safe_mode_protected_env_vars directives, which allows context-dependent attackers to execute programs with an arbitrary environment via the env parameter, as demonstrated by a crafted value of the LD_LIBRARY_PATH environment variable.

Published

2009-11-29T13:07:32.017

Last Modified

2025-04-09T00:30:58.490

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
    CWE-264
Affected Vendors & Products
Type Vendor Product Version/Range Vulnerable?
Application php php ≤ 5.2.10 Yes
Application php php 1.0 Yes
Application php php 2.0 Yes
Application php php 2.0b10 Yes
Application php php 3.0 Yes
Application php php 3.0.1 Yes
Application php php 3.0.2 Yes
Application php php 3.0.3 Yes
Application php php 3.0.4 Yes
Application php php 3.0.5 Yes
Application php php 3.0.6 Yes
Application php php 3.0.7 Yes
Application php php 3.0.8 Yes
Application php php 3.0.9 Yes
Application php php 3.0.10 Yes
Application php php 3.0.11 Yes
Application php php 3.0.12 Yes
Application php php 3.0.13 Yes
Application php php 3.0.14 Yes
Application php php 3.0.15 Yes
Application php php 3.0.16 Yes
Application php php 3.0.17 Yes
Application php php 3.0.18 Yes
Application php php 4 Yes
Application php php 4.0 Yes
Application php php 4.0 Yes
Application php php 4.0 Yes
Application php php 4.0 Yes
Application php php 4.0 Yes
Application php php 4.0 Yes
Application php php 4.0 Yes
Application php php 4.0 Yes
Application php php 4.0.0 Yes
Application php php 4.0.1 Yes
Application php php 4.0.1 Yes
Application php php 4.0.1 Yes
Application php php 4.0.2 Yes
Application php php 4.0.3 Yes
Application php php 4.0.3 Yes
Application php php 4.0.4 Yes
Application php php 4.0.4 Yes
Application php php 4.0.5 Yes
Application php php 4.0.6 Yes
Application php php 4.0.7 Yes
Application php php 4.0.7 Yes
Application php php 4.0.7 Yes
Application php php 4.0.7 Yes
Application php php 4.0.7 Yes
Application php php 4.1.0 Yes
Application php php 4.1.1 Yes
Application php php 4.1.2 Yes
Application php php 4.2 Yes
Application php php 4.2.0 Yes
Application php php 4.2.1 Yes
Application php php 4.2.2 Yes
Application php php 4.2.3 Yes
Application php php 4.3.0 Yes
Application php php 4.3.1 Yes
Application php php 4.3.2 Yes
Application php php 4.3.3 Yes
Application php php 4.3.4 Yes
Application php php 4.3.5 Yes
Application php php 4.3.6 Yes
Application php php 4.3.7 Yes
Application php php 4.3.8 Yes
Application php php 4.3.9 Yes
Application php php 4.3.10 Yes
Application php php 4.3.11 Yes
Application php php 4.4.0 Yes
Application php php 4.4.1 Yes
Application php php 4.4.2 Yes
Application php php 4.4.3 Yes
Application php php 4.4.4 Yes
Application php php 4.4.5 Yes
Application php php 4.4.6 Yes
Application php php 4.4.7 Yes
Application php php 4.4.8 Yes
Application php php 4.4.9 Yes
Application php php 5 Yes
Application php php 5.0 Yes
Application php php 5.0 Yes
Application php php 5.0 Yes
Application php php 5.0.0 Yes
Application php php 5.0.0 Yes
Application php php 5.0.0 Yes
Application php php 5.0.0 Yes
Application php php 5.0.0 Yes
Application php php 5.0.0 Yes
Application php php 5.0.0 Yes
Application php php 5.0.0 Yes
Application php php 5.0.1 Yes
Application php php 5.0.2 Yes
Application php php 5.0.3 Yes
Application php php 5.0.4 Yes
Application php php 5.0.5 Yes
Application php php 5.1.0 Yes
Application php php 5.1.1 Yes
Application php php 5.1.2 Yes
Application php php 5.1.3 Yes
Application php php 5.1.4 Yes
Application php php 5.1.5 Yes
Application php php 5.1.6 Yes
Application php php 5.2.0 Yes
Application php php 5.2.2 Yes
Application php php 5.2.4 Yes
Application php php 5.2.6 Yes
Application php php 5.2.7 Yes
Application php php 5.2.8 Yes
Application php php 5.2.9 Yes
Application php php 5.3.0 Yes
References