PT-2019-16610 · Facebook · Hhvm

Fred Emmott · Published 2019-04-29 · Updated 2019-10-09 · CVE-2019-3561

Positive Technologies (AI Summary)

CVSS v3.1

9.8

Critical

Base vector

AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Name of the Vulnerable Software and Affected Versions HHVM versions 3.27.7 and below, 3.30.4, 4.0.3

Description The issue arises from insufficient boundary checks for the strrpos and strripos functions, allowing access to out-of-bounds memory.

Recommendations For HHVM versions 3.27.7 and below, 3.30.4, 4.0.3, consider applying configuration changes or workarounds to restrict access to the strrpos and strripos functions until a patch is available. At the moment, there is no information about a newer version that contains a fix for this vulnerability.

Out of bounds Read

Buffer Overflow

Weakness Enumeration

CWE-125

CWE-119

Related Identifiers

CVE-2019-3561

Affected Products

Hhvm

References · 7

• https://cve.org/CVERecord?id=CVE-2019-3561 · Security Note
• https://hhvm.com/blog/2019/04/03/hhvm-4.0.4.html · Vendor Advisory
• https://ubuntu.com/security/CVE-2019-3561 · Vendor Advisory
• https://osv.dev/vulnerability/CVE-2019-3561 · Vendor Advisory
• https://osv.dev/vulnerability/UBUNTU-CVE-2019-3561 · Vendor Advisory
• https://nvd.nist.gov/vuln/detail/CVE-2019-3561 · Security Note
• https://github.com/facebook/hhvm/commit/46003b4ab564b2abcd8470035fc324fe36aa8c75 · Note