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.
References
Link | Resource |
---|---|
https://github.com/facebook/folly/commit/8e927ee48b114c8a2f90d0cbd5ac753795a6761f | Patch Third Party Advisory |
https://github.com/facebook/hhvm/commit/e2d10a1e32d01f71aaadd81169bcb9ae86c5d6b8 | Patch Third Party Advisory |
https://hhvm.com/blog/2018/05/24/hhvm-3.26.3.html | Release Notes Vendor Advisory |
Configurations
Configuration 1 (hide)
|
History
No history.
Information
Published : 2018-12-31 22:29
Updated : 2024-02-28 16:48
NVD link : CVE-2018-6337
Mitre link : CVE-2018-6337
CVE.ORG link : CVE-2018-6337
JSON object : View
Products Affected
- folly
- hhvm