CVE-2018-6337
folly::secureRandom will re-use a buffer between parent and child processes when fork() is called. That will result in multiple forked children producing repeat (or similar) results. This affects HHVM 3.26 prior to 3.26.3 and the folly library between v2017.12.11.00 and v2018.08.09.00.
Published:Dec 31, 2018
Last Modified:May 6, 2025
EPS:Dec 31, 2018
EPSS Score:0.00289
CVSS Score:7.5
Affected Products
Vendor
Product
Action
Vendor
Facebook
Product
Folly
Facebook
Folly
Vendor
Facebook
Product
Hhvm
Facebook
Hhvm
Exploits
No exploit reference
Common Weakness Enumeration
Common Attack Pattern Enumeration and Classification (CAPEC)
Related CVEs
References
Common Vulnerability Scoring System
Attack Vector
Network
Adjacent
Local
Physical
Privileges Required
None
Low
High
User Interaction
None
Required
Scope
Unchanged
Changed
Confidentiality
None
Low
High
Integrity
None
Low
High
Availability
None
Low
High
