Critical severity · published Feb 19, 2020
CVE-2016-1000005
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
9.8
CVSS
1.4%
EPSS
No
On KEV
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
Attack vector
Network
Complexity
Low
Privileges
None
User interaction
None
Confidentiality
High
Integrity
High
Availability
High
Scope
Unchanged
Exploitation
Is it being used?
Exploit prediction (EPSS)1.4% · higher than 72% of CVEs
Exploited in the wildNo evidence yet
CISA KEVNot listed
Ransomware campaign useNot known
Affected products
Which versions
HH
Hhvm · Facebook
before 3.9.5; 3.10.0 through 3.12.3; 3.13.0 through 3.14.1 · source: NVD
References
NVD
https://nvd.nist.gov/vuln/detail/CVE-2016-1000005
CVE.org
https://www.cve.org/CVERecord?id=CVE-2016-1000005
Patch
https://github.com/facebook/hhvm/commit/39e7e177473350b3a5c34e8824af3b98e25efa89
Third Party Advisory
https://www.facebook.com/security/advisories/cve-2016-1000005
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