CVE-2016-1000005 Information

Description

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).

CVSS Vector

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Reference

https://github.com/facebook/hhvm/commit/39e7e177473350b3a5c34e8824af3b98e25efa89 https://www.facebook.com/security/advisories/cve-2016-1000005

Attack Complexity

LOW

Privileges Required

NONE

User Interaction Required

NONE

Scope

NONE

Confidentiality Impact

UNCHANGED

Integrity Impact

HIGH

Availability Impact

HIGH

Base Score

HIGH

Base Severity

9.8