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)...
- Published
- Nov 27, 2009
- Updated
- Aug 7, 2024
- Assigning CNA
- redhat
- Evidence observed
- Mar 5, 2010
Primary CVSS
nvd · CVSS 2.0
AV:N/AC:L/Au:N/C:P/I:P/A:PModerate · next 30 days
- Percentile
- 95.8%
- Model date
- Sep 21, 2026
EPSS is a statistical estimate, not a certainty or a measure of impact. Combine it with CVSS, KEV status, exposure and your environment.
Summary
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.
Sources
1Hamid Ebadi · php · Mar 5, 2010
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