Home/CVE/mcrypt_get_block_size did not enforce that the provided "module" parameter was a string, leading to type confusion if ot
CVE

CVE-2016-1000005

mcrypt_get_block_size did not enforce that the provided "module" parameter was a string, leading to type confusion if ot

mcrypt_get_block_size did not enforce that the provided "module" parameter was a string, leading to type confusion if other types of data were passed in. This issue affects HHVM versions prior to 3.9.5, all versions between 3.10.0 and 3.12.3 (inclusive), and all versions between 3.13.0 and 3.14.1 (inclusive).

CRITICAL · CVSS 9.8 EPSS 0.00533
Schedule remediation
  • CVSS base score ≥ 7.0
Sigma rules0 YARA rules0
⬡

Weakness Classification

CWE-843Access of Resource Using Incompatible Type ('Type Confusion')
▤

Affected Products & Versions

3
facebook hhvm< 3.9.5
facebook hhvm>= 3.10.0 and <= 3.12.3
facebook hhvm>= 3.13.0 and <= 3.14.1
▣

Scoring & Timeline

9.8
CRITICAL · CVSS v3.1 · cve@mitre.org
View on NVD
Attack Vector
Network Adjacent Local Physical
Attack Complexity
Low High
Privileges Required
None Low High
User Interaction
None Required
Scope
Unchanged Changed
Confidentiality
None Low High
Integrity
None Low High
Availability
None Low High
Published to NVD19 Feb 2020 · 01:15 PM
CVSS VectorCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
🔗

References & Sources

2
Source URLs (vendor pages, mailing lists, write-ups). Exploit/PoC links are in their own section above to avoid duplication.
https://github.com/facebook/hhvm/commit/39e7e177473350b3a5c34e8824af3b98e25efa89PatchThird Party Advisory
https://www.facebook.com/security/advisories/cve-2016-1000005Third Party Advisory
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