CVE-2010-4645
The MITRE CVE dictionary describes this issue as:
strtod.c, as used in the zend_strtod function in PHP 5.2 before 5.2.17 and 5.3 before 5.3.5, and other products, allows context-dependent attackers to cause a denial of service (infinite loop) via a certain floating-point value in scientific notation, which is not properly handled in x87 FPU registers, as demonstrated using 2.2250738585072011e-308.
Find out more about CVE-2010-4645 from the MITRE CVE dictionary dictionary and NIST NVD.
Statement
This issue leads to a temporary denial of service (high CPU consumption) when a PHP script handles numeric values from untrusted user input. It does not affect the versions of PHP as shipped with Red Hat Enterprise Linux 3, 4 or 5. It did affect the PHP 5.3 (php53) package on Red Hat Enterprise Linux 5.
CVSS v2 metrics
| Base Score | 5 |
|---|---|
| Base Metrics | AV:N/AC:L/Au:N/C:N/I:N/A:P |
| Access Vector | Network |
| Access Complexity | Low |
| Authentication | None |
| Confidentiality Impact | None |
| Integrity Impact | None |
| Availability Impact | Partial |
Find out more about Red Hat support for the Common Vulnerability Scoring System (CVSS).
Red Hat Security Errata
| Platform | Errata | Release Date |
|---|---|---|
| Red Hat Enterprise Linux 6 (php) | RHSA-2011:0195 | 2011-02-03 |
| Red Hat Enterprise Linux 5 (php53) | RHSA-2011:0196 | 2011-02-03 |
Affected Packages State
| Platform | Package | State |
|---|---|---|
| Red Hat Enterprise Linux 5 | php | Not affected |
| Red Hat Enterprise Linux 4 | php | Not affected |
CVE description copyright © 2017, The MITRE Corporation