The tempnam function in ext/standard/file.c in PHP before 5.2.12 and 5.3.x before 5.3.1 allows context-dependent attackers to bypass safe_mode restrictions, and create files in group-writable or world-writable directories, via the dir and prefix arguments.
Published 2009-11-23 17:30:00
Updated 2018-10-30 16:26:21
Source Red Hat, Inc.
View at NVD,   CVE.org

Products affected by CVE-2009-3557

Threat overview for CVE-2009-3557

Top countries where our scanners detected CVE-2009-3557
Top open port discovered on systems with this issue 80
IPs affected by CVE-2009-3557 38,127
Threat actors abusing to this issue? Yes
Find out if you* are affected by CVE-2009-3557!
*Directly or indirectly through your vendors, service providers and 3rd parties. Powered by attack surface intelligence from SecurityScorecard.

Exploit prediction scoring system (EPSS) score for CVE-2009-3557

0.70%
Probability of exploitation activity in the next 30 days EPSS Score History
~ 78 %
Percentile, the proportion of vulnerabilities that are scored at or less

CVSS scores for CVE-2009-3557

Base Score Base Severity CVSS Vector Exploitability Score Impact Score Score Source First Seen
5.0
MEDIUM AV:N/AC:L/Au:N/C:N/I:P/A:N
10.0
2.9
NIST

CWE ids for CVE-2009-3557

  • Assigned by: nvd@nist.gov (Primary)

Vendor statements for CVE-2009-3557

  • Red Hat 2009-11-24
    We do not consider safe_mode / open_basedir restriction bypass issues being security sensitive. For more details see http://bugzilla.redhat.com/bugzilla/show_bug.cgi?id=169857#c1 and http://www.php.net/security-note.php

References for CVE-2009-3557

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