Candidate: CVE-2019-3570
PublicDate: 2019-07-18 16:15:00 UTC
References:
 https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2019-3570
 https://hhvm.com/blog/2019/06/10/hhvm-4.9.0.html
Description:
 Call to the scrypt_enc() function in HHVM can lead to heap corruption by
 using specifically crafted parameters (N, r and p). This happens if the
 parameters are configurable by an attacker for instance by providing the
 output of scrypt_enc() in a context where Hack/PHP code would attempt to
 verify it by re-running scrypt_enc() with the same parameters. This could
 result in information disclosure, memory being overwriten or crashes of the
 HHVM process. This issue affects versions 4.3.0, 4.4.0, 4.5.0, 4.6.0,
 4.7.0, 4.8.0, versions 3.30.5 and below, and all versions in the 4.0, 4.1,
 and 4.2 series.
Ubuntu-Description:
Notes:
Bugs:
Priority: medium
Discovered-by:
Assigned-to:
CVSS:
 nvd: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H [9.8 CRITICAL]
 nvd: CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H [9.8 CRITICAL]


Patches_hhvm:
upstream_hhvm: needs-triage
precise/esm_hhvm: DNE
trusty_hhvm: ignored (out of standard support)
trusty/esm_hhvm: DNE
xenial_hhvm: ignored (end of standard support, was needs-triage)
bionic_hhvm: needs-triage
cosmic_hhvm: DNE
disco_hhvm: DNE
eoan_hhvm: DNE
focal_hhvm: DNE
groovy_hhvm: DNE
hirsute_hhvm: DNE
impish_hhvm: DNE
jammy_hhvm: DNE
devel_hhvm: DNE