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

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 231,896
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

Probability of exploitation activity in the next 30 days: 1.19%

Percentile, the proportion of vulnerabilities that are scored at or less: ~ 83 % EPSS Score History EPSS FAQ

CVSS scores for CVE-2017-11143

Base Score Base Severity CVSS Vector Exploitability Score Impact Score Score Source
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

  • Referencing memory after it has been freed can cause a program to crash, use unexpected values, or execute code.
    Assigned by: nvd@nist.gov (Primary)
  • The product deserializes untrusted data without sufficiently verifying that the resulting data will be valid.
    Assigned by: nvd@nist.gov (Primary)

References for CVE-2017-11143

Products affected by CVE-2017-11143

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