Race condition in the symlink function in PHP 5.1.6 and earlier allows local users to bypass the open_basedir restriction by using a combination of symlink, mkdir, and unlink functions to change the file path after the open_basedir check and before the file is opened by the underlying system, as demonstrated by symlinking a symlink into a subdirectory, to point to a parent directory via .. (dot dot) sequences, and then unlinking the resulting symlink.
Published 2006-10-10 04:06:00
Updated 2018-10-30 16:25:36
Source MITRE
View at NVD,   CVE.org

Products affected by CVE-2006-5178

Threat overview for CVE-2006-5178

Top countries where our scanners detected CVE-2006-5178
Top open port discovered on systems with this issue 80
IPs affected by CVE-2006-5178 14,220
Threat actors abusing to this issue? Yes
Find out if you* are affected by CVE-2006-5178!
*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-2006-5178

0.05%
Probability of exploitation activity in the next 30 days EPSS Score History
~ 21 %
Percentile, the proportion of vulnerabilities that are scored at or less

CVSS scores for CVE-2006-5178

Base Score Base Severity CVSS Vector Exploitability Score Impact Score Score Source First Seen
6.2
MEDIUM AV:L/AC:H/Au:N/C:C/I:C/A:C
1.9
10.0
NIST

CWE ids for CVE-2006-5178

Vendor statements for CVE-2006-5178

  • Red Hat 2006-12-04
    We do not consider these to be security issues. For more details see http://bugzilla.redhat.com/bugzilla/show_bug.cgi?id=169857#c1 and http://www.php.net/security-note.php
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