Insufficient Type Checks in HHVM Affecting Input Handling
CVE-2016-1000004

9.8CRITICAL

Key Information:

Vendor

Facebook

Status
Hhvm
Vendor
CVE Published:
19 February 2020

What is CVE-2016-1000004?

The vulnerability arises from inadequate type checks prior to casting input data in the functions SimpleXMLElement_exportNode and simplexml_import_dom. This flaw creates potential security risks by allowing unexpected data types to be processed, leading to possible exploitation. Affected versions include those of HHVM prior to 3.9.5 and specific ranges within 3.10.0 to 3.12.3 and 3.13.0 to 3.14.1. Users are advised to upgrade to patched versions to mitigate the risk.

References

https://github.com/facebook/hhvm/commit/8e7266fef1f329b80...
x_refsource_CONFIRM
https://www.facebook.com/security/advisories/cve-2016-100...
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CVSS V3.1

Score:
9.8
Severity:
CRITICAL
Confidentiality:
High
Integrity:
High
Availability:
High
Attack Vector:
Network
Attack Complexity:
Low
Privileges Required:
None
User Interaction:
None
Scope:
Unchanged

Timeline

  • Vulnerability published

  • Vulnerability Reserved

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