CVE-2018-6337
High
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.
SeverityHigh
CVSS7.5
Exploit probability—
Product
Facebook Folly
PublishedDec 31, 2018
First seenDec 31, 2018
Weakness typeCWE-212CWE-212
How to fix
Update
- facebook hhvm3.26.3 or later
Affected products
| Product | Affected versions | Fixed in |
|---|---|---|
| facebook folly | 2017.12.11.00 ≤ v ≤ 2018.08.09.00 | — |
| facebook hhvm | 3.26 ≤ v < 3.26.3 | 3.26.3 |
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