The session extension in PHP 4 before 4.4.5, and PHP 5 before 5.2.1, calculates the reference count for the session variables without considering the internal pointer from the session globals, which allows context-dependent attackers to execute arbitrary code via a crafted string in the session_register after unsetting HTTP_SESSION_VARS and _SESSION, which destroys the session data Hashtable.
Published 2007-03-27 01:19:00
Updated 2018-10-30 16:25:36
Source MITRE
View at NVD,   CVE.org
Vulnerability category: Execute code

Products affected by CVE-2007-1700

Threat overview for CVE-2007-1700

Top countries where our scanners detected CVE-2007-1700
Top open port discovered on systems with this issue 80
IPs affected by CVE-2007-1700 16,520
Threat actors abusing to this issue? Yes
Find out if you* are affected by CVE-2007-1700!
*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-2007-1700

2.69%
Probability of exploitation activity in the next 30 days EPSS Score History
~ 89 %
Percentile, the proportion of vulnerabilities that are scored at or less

CVSS scores for CVE-2007-1700

Base Score Base Severity CVSS Vector Exploitability Score Impact Score Score Source First Seen
7.5
HIGH AV:N/AC:L/Au:N/C:P/I:P/A:P
10.0
6.4
NIST

Vendor statements for CVE-2007-1700

  • 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.
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