Vulnerability Details : CVE-2011-0753
Race condition in the PCNTL extension in PHP before 5.3.4, when a user-defined signal handler exists, might allow context-dependent attackers to cause a denial of service (memory corruption) via a large number of concurrent signals.
Vulnerability category: Memory CorruptionDenial of service
Products affected by CVE-2011-0753
- cpe:2.3:a:php:php:*:*:*:*:*:*:*:*
- cpe:2.3:a:php:php:1.0:*:*:*:*:*:*:*
- cpe:2.3:a:php:php:2.0b10:*:*:*:*:*:*:*
- cpe:2.3:a:php:php:2.0:*:*:*:*:*:*:*
- cpe:2.3:a:php:php:3.0:*:*:*:*:*:*:*
- cpe:2.3:a:php:php:3.0.1:*:*:*:*:*:*:*
- cpe:2.3:a:php:php:3.0.10:*:*:*:*:*:*:*
- cpe:2.3:a:php:php:3.0.3:*:*:*:*:*:*:*
- cpe:2.3:a:php:php:3.0.4:*:*:*:*:*:*:*
- cpe:2.3:a:php:php:3.0.5:*:*:*:*:*:*:*
- cpe:2.3:a:php:php:3.0.6:*:*:*:*:*:*:*
- cpe:2.3:a:php:php:3.0.11:*:*:*:*:*:*:*
- cpe:2.3:a:php:php:3.0.13:*:*:*:*:*:*:*
- cpe:2.3:a:php:php:3.0.8:*:*:*:*:*:*:*
- cpe:2.3:a:php:php:3.0.12:*:*:*:*:*:*:*
- cpe:2.3:a:php:php:3.0.2:*:*:*:*:*:*:*
- cpe:2.3:a:php:php:3.0.7:*:*:*:*:*:*:*
- cpe:2.3:a:php:php:3.0.9:*:*:*:*:*:*:*
- cpe:2.3:a:php:php:4.0:*:*:*:*:*:*:*
- cpe:2.3:a:php:php:4.0.1:*:*:*:*:*:*:*
- cpe:2.3:a:php:php:4.0.3:*:*:*:*:*:*:*
- cpe:2.3:a:php:php:4.0.4:*:*:*:*:*:*:*
- cpe:2.3:a:php:php:4.0.5:*:*:*:*:*:*:*
- cpe:2.3:a:php:php:4.0.6:*:*:*:*:*:*:*
- cpe:2.3:a:php:php:4.1.0:*:*:*:*:*:*:*
- cpe:2.3:a:php:php:4.1.1:*:*:*:*:*:*:*
- cpe:2.3:a:php:php:4.1.2:*:*:*:*:*:*:*
- cpe:2.3:a:php:php:3.0.16:*:*:*:*:*:*:*
- cpe:2.3:a:php:php:4.0.7:*:*:*:*:*:*:*
- cpe:2.3:a:php:php:3.0.17:*:*:*:*:*:*:*
- cpe:2.3:a:php:php:3.0.18:*:*:*:*:*:*:*
- cpe:2.3:a:php:php:3.0.15:*:*:*:*:*:*:*
- cpe:2.3:a:php:php:3.0.14:*:*:*:*:*:*:*
- cpe:2.3:a:php:php:4.0.2:*:*:*:*:*:*:*
- cpe:2.3:a:php:php:4.2.0:*:*:*:*:*:*:*
- cpe:2.3:a:php:php:4.2.1:*:*:*:*:*:*:*
- cpe:2.3:a:php:php:4.2.2:*:*:*:*:*:*:*
- cpe:2.3:a:php:php:4.2.3:*:*:*:*:*:*:*
- cpe:2.3:a:php:php:4.0:beta1:*:*:*:*:*:*
- cpe:2.3:a:php:php:4.0:beta3:*:*:*:*:*:*
- cpe:2.3:a:php:php:4.0:beta4:*:*:*:*:*:*
- cpe:2.3:a:php:php:4.0:beta_4_patch1:*:*:*:*:*:*
- cpe:2.3:a:php:php:4.0:beta2:*:*:*:*:*:*
- cpe:2.3:a:php:php:4.3.0:*:*:*:*:*:*:*
- cpe:2.3:a:php:php:4.3.1:*:*:*:*:*:*:*
- cpe:2.3:a:php:php:4.4.6:*:*:*:*:*:*:*
- cpe:2.3:a:php:php:4.3.2:*:*:*:*:*:*:*
- cpe:2.3:a:php:php:4.3.3:*:*:*:*:*:*:*
- cpe:2.3:a:php:php:4.3.5:*:*:*:*:*:*:*
- cpe:2.3:a:php:php:4.3.6:*:*:*:*:*:*:*
- cpe:2.3:a:php:php:4.3.7:*:*:*:*:*:*:*
- cpe:2.3:a:php:php:4.3.8:*:*:*:*:*:*:*
- cpe:2.3:a:php:php:4.3.4:*:*:*:*:*:*:*
- cpe:2.3:a:php:php:4.3.9:*:*:*:*:*:*:*
- cpe:2.3:a:php:php:4.3.10:*:*:*:*:*:*:*
- cpe:2.3:a:php:php:4.4.0:*:*:*:*:*:*:*
- cpe:2.3:a:php:php:4.0.0:*:*:*:*:*:*:*
- cpe:2.3:a:php:php:4.3.11:*:*:*:*:*:*:*
- cpe:2.3:a:php:php:4.4.1:*:*:*:*:*:*:*
- cpe:2.3:a:php:php:4.4.2:*:*:*:*:*:*:*
- cpe:2.3:a:php:php:4.4.3:*:*:*:*:*:*:*
- cpe:2.3:a:php:php:4.4.4:*:*:*:*:*:*:*
- cpe:2.3:a:php:php:5.3.0:*:*:*:*:*:*:*
- cpe:2.3:a:php:php:4.4.9:*:*:*:*:*:*:*
- cpe:2.3:a:php:php:4.4.7:*:*:*:*:*:*:*
- cpe:2.3:a:php:php:4.4.8:*:*:*:*:*:*:*
- cpe:2.3:a:php:php:5.3.1:*:*:*:*:*:*:*
- cpe:2.3:a:php:php:5.3.2:*:*:*:*:*:*:*
- cpe:2.3:a:php:php:4.4.5:*:*:*:*:*:*:*
Threat overview for CVE-2011-0753
Top countries where our scanners detected CVE-2011-0753
Top open port discovered on systems with this issue
80
IPs affected by CVE-2011-0753 39,586
Threat actors abusing to this issue?
Yes
Find out if you* are
affected by CVE-2011-0753!
*Directly or indirectly through your vendors, service providers and 3rd parties.
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attack surface intelligence
from SecurityScorecard.
Exploit prediction scoring system (EPSS) score for CVE-2011-0753
0.35%
Probability of exploitation activity in the next 30 days
EPSS Score History
~ 68 %
Percentile, the proportion of vulnerabilities that are scored at or less
CVSS scores for CVE-2011-0753
| Base Score | Base Severity | CVSS Vector | Exploitability Score | Impact Score | Score Source | First Seen |
|---|---|---|---|---|---|---|
|
4.3
|
MEDIUM | AV:N/AC:M/Au:N/C:N/I:N/A:P |
8.6
|
2.9
|
NIST |
CWE ids for CVE-2011-0753
-
The product contains a concurrent code sequence that requires temporary, exclusive access to a shared resource, but a timing window exists in which the shared resource can be modified by another code sequence operating concurrently.Assigned by: nvd@nist.gov (Primary)
References for CVE-2011-0753
-
https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A12271
Repository / Oval Repository
-
https://exchange.xforce.ibmcloud.com/vulnerabilities/65431
PHP PCNTL denial of service CVE-2011-0753 Vulnerability Report
-
http://bugs.php.net/52784
PHP :: Bug #52784 :: Race condition when handling many concurrent signalsPatch
-
http://www.php.net/ChangeLog-5.php
PHP: PHP 5 ChangeLog
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