CVE-2018-6337 describes a vulnerability in the folly::secureRandom function, affecting Facebook's Folly library (versions v2017.12.11.00 to v2018.08.09.00) and HHVM (versions prior to 3.26.3). The flaw causes re-use of a random number buffer between parent and child processes after a fork() call, leading to predictable or repeated random number generation. This vulnerability carries a CVSSv3 score of 7.5 (HIGH), indicating a network-exploitable issue with low attack complexity and high integrity impact, allowing an attacker to potentially compromise data integrity. While the EPSS score is low and there is no evidence of active exploitation, public exploit code, or significant community discussion, the vulnerability could still be leveraged in specific scenarios.
| Vendor | Product | Version(s) | CPE |
|---|---|---|---|
>= 2017.12.11.00, <= 2018.08.09.00CPE matchmatch criteria | cpe:2.3:a:facebook:folly:*:*:*:*:*:*:*:* | ||
>= 3.26, < 3.26.3CPE matchmatch criteria | cpe:2.3:a:facebook:hhvm:*:*:*:*:*:*:*:* |
CVSS version used by this source: 3.0
CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N
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