description: 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.
problem types: Improper Cross-boundary Removal of Sensitive Data (CWE-212)
affected:
{
product: HHVM
vendor: Facebook
versions:
status: affected, version: 3.26.3
lessThan: unspecified, status: affected, version: 3.26.0, versionType: custom
lessThan: 3.26.0, status: unaffected, version: unspecified, versionType: custom
}
{
product: folly
vendor: Facebook
versions:
status: affected, version: v2018.08.09.00
lessThan: unspecified, status: affected, version: v2017.12.11.00, versionType: custom
lessThan: v2017.12.11.00, status: unaffected, version: unspecified, versionType: custom
}
