Instituto Nacional de ciberseguridad. Sección Incibe
Instituto Nacional de Ciberseguridad. Sección INCIBE-CERT

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CVE-2009-3558

Severity CVSS v4.0:
Pending analysis
Type:
CWE-264 Permissions, Privileges, and Access Control
Publication date:
23/11/2009
Last modified:
09/04/2025

Description

The posix_mkfifo function in ext/posix/posix.c in PHP before 5.2.12 and 5.3.x before 5.3.1 allows context-dependent attackers to bypass open_basedir restrictions, and create FIFO files, via the pathname and mode arguments, as demonstrated by creating a .htaccess file.

Impact

Vector 2.0
AV:N/AC:M/Au:N/C:P/I:P/A:P CVSS v2.0 Severity and Metrics:

Base Score: 6.80 MEDIUM
Vector: AV:N/AC:M/Au:N/C:P/I:P/A:P

Attack Vector (AV): Network
Attack Complexity (AC): Medium
Authentication (Au): None
Confidentiality (C): Physical
Integrity (I): Physical
Availability (A): Physical

Base Score 2.0
6.80
Severity 2.0
MEDIUM

Vulnerable products and versions

CPE From Up to
cpe:2.3:a:php:php:*:*:*:*:*:*:*:* 5.2.10 (including)
cpe:2.3:a:php:php:1.0:*:*:*:*:*:*:*
cpe:2.3:a:php:php:2.0:*:*:*:*:*:*:*
cpe:2.3:a:php:php:2.0b10:*:*:*:*:*:*:*
cpe:2.3:a:php:php:3.0:*:*:*:*:*:*:*
cpe:2.3:a:php:php:3.0.1:*:*:*:*:*:*:*
cpe:2.3:a:php:php:3.0.2:*:*:*:*:*:*:*
cpe:2.3:a:php:php:3.0.3:*:*:*:*:*:*:*
cpe:2.3:a:php:php:3.0.4:*:*:*:*:*:*:*
cpe:2.3:a:php:php:3.0.5:*:*:*:*:*:*:*
cpe:2.3:a:php:php:3.0.6:*:*:*:*:*:*:*
cpe:2.3:a:php:php:3.0.7:*:*:*:*:*:*:*
cpe:2.3:a:php:php:3.0.8:*:*:*:*:*:*:*
cpe:2.3:a:php:php:3.0.9:*:*:*:*:*:*:*
cpe:2.3:a:php:php:3.0.10:*:*:*:*:*:*:*

To consult the complete list of CPE names with products and versions, see this page


References to Advisories, Solutions, and Tools