CVE-2019-3570 describes a heap corruption vulnerability in HHVM's scrypt_enc() function, affecting versions 4.3.0 through 4.8.0, 3.30.5 and below, and all versions in the 4.0, 4.1, and 4.2 series. An attacker can trigger this by providing specially crafted parameters (N, r, p) if they are configurable, leading to information disclosure, memory overwrites, or HHVM process crashes. This vulnerability carries a critical CVSS score of 9.8, indicating a network-exploitable attack with low complexity and high impact on confidentiality, integrity, and availability. There is currently no evidence of active exploitation, public exploit code (Metasploit, Nuclei, ExploitDB), or significant community discussion or media coverage.
| Vendor | Product | Version(s) | CPE |
|---|---|---|---|
<= 3.30.5CPE matchmatch criteria | cpe:2.3:a:facebook:hiphop_virtual_machine:*:*:*:*:*:*:*:* | ||
>= 4.0.0, <= 4.0.4CPE matchmatch criteria | cpe:2.3:a:facebook:hiphop_virtual_machine:*:*:*:*:*:*:*:* | ||
4.1.0CPE matchmatch criteria | cpe:2.3:a:facebook:hiphop_virtual_machine:4.1.0:*:*:*:*:*:*:* | ||
4.2.0CPE matchmatch criteria | cpe:2.3:a:facebook:hiphop_virtual_machine:4.2.0:*:*:*:*:*:*:* | ||
4.3.0CPE matchmatch criteria | cpe:2.3:a:facebook:hiphop_virtual_machine:4.3.0:*:*:*:*:*:*:* |
CVSS version used by this source: 3.1
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
The average CVE in this peer group has 0.0 Twitter, 0.1 Reddit, 0.3 Bluesky, 0.3 Mastodon, and 2.4 GitHub mentions.
No media coverage found for this CVE.
The average CVE in this peer group has 0.3 InfoSec Media, 0.0 Vendor Blog, and 0.0 Security Researcher mentions.