Vulnerability Details : CVE-2007-1521

Double free vulnerability in PHP before 4.4.7, and 5.x before 5.2.2, allows context-dependent attackers to execute arbitrary code by interrupting the session_regenerate_id function, as demonstrated by calling a userspace error handler or triggering a memory limit violation.
Published 2007-03-20 20:19:00
Updated 2011-03-08 02:52:17
Source MITRE
View at NVD,   CVE.org
Vulnerability category: Memory CorruptionExecute code

Products affected by CVE-2007-1521

Threat overview for CVE-2007-1521

Top countries where our scanners detected CVE-2007-1521
Top open port discovered on systems with this issue 80
IPs affected by CVE-2007-1521 5,176
Threat actors abusing to this issue? Yes
Find out if you* are affected by CVE-2007-1521!
*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-2007-1521

EPSS FAQ
2.92%
Probability of exploitation activity in the next 30 days EPSS Score History
~ 91 %
Percentile, the proportion of vulnerabilities that are scored at or less

CVSS scores for CVE-2007-1521

Base Score Base Severity CVSS Vector Exploitability Score Impact Score Score Source First Seen
6.8
 MEDIUM AV:N/AC:M/Au:N/C:P/I:P/A:P
8.6
6.4
 NIST

Vendor statements for CVE-2007-1521

  • Red Hat 2007-04-16
    The PHP interpreter does not offer a reliable "sandboxed" security layer (as found in, say, a JVM) in which untrusted scripts can be run; any script run by the PHP interpreter must be trusted with the privileges of the interpreter itself. We therefore do not classify this issue as security-sensitive since no trust boundary is crossed.

References for CVE-2007-1521

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