The chunk_split function in string.c in PHP 5.2.3 does not properly calculate the needed buffer size due to precision loss when performing integer arithmetic with floating point numbers, which has unknown attack vectors and impact, possibly resulting in a heap-based buffer overflow. NOTE: this is due to an incomplete fix for CVE-2007-2872.
Published 2007-09-04 22:17:00
Updated 2018-10-03 21:48:22
Source MITRE
View at NVD,   CVE.org
Vulnerability category: Overflow

Threat overview for CVE-2007-4661

Top countries where our scanners detected CVE-2007-4661
Top open port discovered on systems with this issue 80
IPs affected by CVE-2007-4661 1,213
Threat actors abusing to this issue? Yes
Find out if you* are affected by CVE-2007-4661!
*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-2007-4661

1.66%
Probability of exploitation activity in the next 30 days EPSS Score History
~ 88 %
Percentile, the proportion of vulnerabilities that are scored at or less

CVSS scores for CVE-2007-4661

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

CWE ids for CVE-2007-4661

Vendor statements for CVE-2007-4661

  • Red Hat 2007-09-05
    Not vulnerable. Red Hat did not include an incomplete fix for CVE-2007-2872 for PHP in Red Hat Enterprise Linux or Red Hat Application Stack.
  • Mandriva 2007-09-18
    Not vulnerable. Mandriva has not issued an update to date to fix CVE-2007-2872 and the updates in progress are using a correct fix.

Products affected by CVE-2007-4661

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