CVEvulnerability

CVE-2009-4018

7.5 HIGH Published 2009-11-29 Modified 2026-06-16 Official page ↗
Status
Modified
Published
2009-11-29
Last modified
2026-06-16
Assigner
[email protected]
CVSS 2.0 ([email protected])
7.5 HIGH — AV:N/AC:L/Au:N/C:P/I:P/A:P
Weaknesses
CWE-264

Description

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.

Affected configurations

• php php (<= 5.2.10) • php php 1.0 • php php 2.0 • php php 2.0b10 • php php 3.0 • php php 3.0.1 • php php 3.0.2 • php php 3.0.3 • php php 3.0.4 • php php 3.0.5 • php php 3.0.6 • php php 3.0.7 • php php 3.0.8 • php php 3.0.9 • php php 3.0.10 • php php 3.0.11 • php php 3.0.12 • php php 3.0.13 • php php 3.0.14 • php php 3.0.15 • php php 3.0.16 • php php 3.0.17 • php php 3.0.18 • php php 4 • php php 4.0 • php php 4.0.0 • php php 4.0.1 • php php 4.0.2 • php php 4.0.3 • php php 4.0.4 • php php 4.0.5 • php php 4.0.6 • php php 4.0.7 • php php 4.1.0 • php php 4.1.1 • php php 4.1.2 • php php 4.2 • php php 4.2.0 • php php 4.2.1 • php php 4.2.2 • php php 4.2.3 • php php 4.3.0 • php php 4.3.1 • php php 4.3.2 • php php 4.3.3 • php php 4.3.4 • php php 4.3.5 • php php 4.3.6 • php php 4.3.7 • php php 4.3.8 • php php 4.3.9 • php php 4.3.10 • php php 4.3.11 • php php 4.4.0 • php php 4.4.1 • php php 4.4.2 • php php 4.4.3 • php php 4.4.4 • php php 4.4.5 • php php 4.4.6 … and 26 more

Related

Weakness · not in database (1)

References