CVE-2010-4645 Denial of service in n/a
Attackers can cause a denial of service via infinite loop in PHP's strtod function using specific floating-point values.
- Exploited in the wild
- Not known
- Login needed
- Not needed
- Attackable
- Over the internet
- Victim action needed
- Not needed
- Fix
- Available
What is CVE-2010-4645?
CVE-2010-4645 is a medium-severity denial of service vulnerability in Php Php, published on 11 Jan 2011. An attacker can exploit it over the internet without logging in, with no action from the victim.
Official description
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.
Weakness: CWE-189
Which versions are affected by CVE-2010-4645?
It affects 1 product.
Products include Php Php.
How do I fix CVE-2010-4645?
Upgrade to a fixed version.
Upgrade, then put limits on request size, rate and nesting depth so one client cannot exhaust the service. More about Denial of service.
Is CVE-2010-4645 being exploited?
It is not confirmed as exploited in the wild, but public exploit code for CVE-2010-4645 exists.
Public exploit code: 1 Exploit-DB entry.
Other vulnerabilities in Php Php
Sources
Also known as GHSA-89c3-82jr-pppj.