Multiple integer overflows in PHP 4 before 4.4.8, and PHP 5 before 5.2.4, allow remote attackers to obtain sensitive information (memory contents) or cause a denial of service (thread crash) via a large len value to the (1) strspn or (2) strcspn function, which triggers an out-of-bounds read. NOTE: this affects different product versions than CVE-2007-3996.
Published 2007-09-04 22:17:00
Updated 2018-10-26 14:05:07
Source MITRE
View at NVD,   CVE.org
Vulnerability category: OverflowDenial of service

Threat overview for CVE-2007-4657

Top countries where our scanners detected CVE-2007-4657
Top open port discovered on systems with this issue 80
IPs affected by CVE-2007-4657 24,373
Threat actors abusing to this issue? Yes
Find out if you* are affected by CVE-2007-4657!
*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-2007-4657

Probability of exploitation activity in the next 30 days: 1.63%

Percentile, the proportion of vulnerabilities that are scored at or less: ~ 86 % EPSS Score History EPSS FAQ

CVSS scores for CVE-2007-4657

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

CWE ids for CVE-2007-4657

Vendor statements for CVE-2007-4657

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