high7.5
CVE-2018-6337
folly::secureRandom will re-use a buffer between parent and child processes when fork() is called.
Impact
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.
Affected products
| Vendor | Product | Affected versions |
|---|---|---|
| Folly | from 2017.12.11.00 through 2018.08.09.00 | |
| Hhvm | from 3.26 before 3.26.3 |
Weakness classification
References
- NVD record
- CVE.org record
- https://github.com/facebook/folly/commit/8e927ee48b114c8a2f90d0cbd5ac753795a6761f
- https://github.com/facebook/hhvm/commit/e2d10a1e32d01f71aaadd81169bcb9ae86c5d6b8
- https://hhvm.com/blog/2018/05/24/hhvm-3.26.3.html
- https://github.com/facebook/folly/commit/8e927ee48b114c8a2f90d0cbd5ac753795a6761f
- https://github.com/facebook/hhvm/commit/e2d10a1e32d01f71aaadd81169bcb9ae86c5d6b8
- https://hhvm.com/blog/2018/05/24/hhvm-3.26.3.html