Vulnerability Details : CVE-2017-11143

In PHP before 5.6.31, an invalid free in the WDDX deserialization of boolean parameters could be used by attackers able to inject XML for deserialization to crash the PHP interpreter, related to an invalid free for an empty boolean element in ext/wddx/wddx.c.
Published 2017-07-10 14:29:01
Updated 2018-05-04 01:29:03
Source MITRE
View at NVD,   CVE.org

Products affected by CVE-2017-11143

Threat overview for CVE-2017-11143

Top countries where our scanners detected CVE-2017-11143
Top open port discovered on systems with this issue 80
IPs affected by CVE-2017-11143 477,132
Threat actors abusing to this issue? Yes
Find out if you* are affected by CVE-2017-11143!
*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-2017-11143

EPSS FAQ
1.19%
Probability of exploitation activity in the next 30 days EPSS Score History
~ 83 %
Percentile, the proportion of vulnerabilities that are scored at or less

CVSS scores for CVE-2017-11143

Base Score Base Severity CVSS Vector Exploitability Score Impact Score Score Source First Seen
5.0
 MEDIUM AV:N/AC:L/Au:N/C:N/I:N/A:P
10.0
2.9
 NIST
7.5
 HIGH CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
3.9
3.6
 NIST

CWE ids for CVE-2017-11143

  • The product reuses or references memory after it has been freed. At some point afterward, the memory may be allocated again and saved in another pointer, while the original pointer references a location somewhere within the new allocation. Any operations using the original pointer are no longer valid because the memory "belongs" to the code that operates on the new pointer.
    Assigned by: nvd@nist.gov (Primary)
  • The product deserializes untrusted data without sufficiently ensuring that the resulting data will be valid.
    Assigned by: nvd@nist.gov (Primary)

References for CVE-2017-11143

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