CVE-2019-11936

Severity Score

9.8

*CVSS v3.1

Exploit Likelihood

*EPSS

Affected Versions

*CPE

Public Exploits

*Multiple Sources

Exploited in Wild

*KEV

Decision

*SSVC

Descriptions

Various APC functions accept keys containing null bytes as input, leading to premature truncation of input. This issue affects HHVM versions prior to 3.30.12, all versions between 4.0.0 and 4.8.5, all versions between 4.9.0 and 4.23.1, as well as 4.24.0, 4.25.0, 4.26.0, 4.27.0, 4.28.0, and 4.28.1.

Varias funciones APC aceptan claves que contienen bytes nulos como entrada, conllevando a un truncamiento prematuro de la entrada. Este problema afecta a HHVM versiones anteriores a la versión 3.30.12, todas las versiones entre 4.0.0 y 4.8.5, todas las versiones entre 4.9.0 y 4.23.1, así como las versiones 4.24.0, 4.25.0, 4.26.0, 4.27.0, 4.28.0 y 4.28.1.

*Credits: N/A

Attack Vector

Network

Attack Complexity

Low

Privileges Required

None

User Interaction

None

Scope

Unchanged

Confidentiality

High

Integrity

High

Availability

High

Attack Vector

Network

Attack Complexity

Low

Authentication

None

Confidentiality

Partial

Integrity

Partial

Availability

Partial

* Common Vulnerability Scoring System

SSVC

Decision:-

Exploitation

Automatable

Tech. Impact

* Organization's Worst-case Scenario

Timeline

2019-05-13 CVE Reserved
2019-12-04 CVE Published
2023-10-08 EPSS Updated
2024-08-04 CVE Updated
---------- Exploited in Wild
---------- KEV Due Date
---------- First Exploit

CWE

CWE-626: Null Byte Interaction Error (Poison Null Byte)

CAPEC

References (3)

URL	Tag	Source

URL	Date	SRC

URL	Date	SRC
https://github.com/facebook/hhvm/commit/f57df6d8cf33cb14c40f52287da29360e7003373	2021-09-14

URL	Date	SRC
https://hhvm.com/blog/2019/10/28/security-update.html	2021-09-14
https://www.facebook.com/security/advisories/cve-2019-11936	2021-09-14

Affected Vendors, Products, and Versions

Vendor		Product				Version		Other		Status
Vendor	Product	Version	Other	Status	<-- -->	Vendor	Product	Version	Other	Status
Facebook Search vendor "Facebook"		Hhvm Search vendor "Facebook" for product "Hhvm"				< 3.30.12 Search vendor "Facebook" for product "Hhvm" and version " < 3.30.12"		-		Affected
Facebook Search vendor "Facebook"		Hhvm Search vendor "Facebook" for product "Hhvm"				>= 4.0.0 <= 4.8.5 Search vendor "Facebook" for product "Hhvm" and version " >= 4.0.0 <= 4.8.5"		-		Affected
Facebook Search vendor "Facebook"		Hhvm Search vendor "Facebook" for product "Hhvm"				>= 4.9.0 <= 4.23.1 Search vendor "Facebook" for product "Hhvm" and version " >= 4.9.0 <= 4.23.1"		-		Affected
Facebook Search vendor "Facebook"		Hhvm Search vendor "Facebook" for product "Hhvm"				4.24.0 Search vendor "Facebook" for product "Hhvm" and version "4.24.0"		-		Affected
Facebook Search vendor "Facebook"		Hhvm Search vendor "Facebook" for product "Hhvm"				4.25.0 Search vendor "Facebook" for product "Hhvm" and version "4.25.0"		-		Affected
Facebook Search vendor "Facebook"		Hhvm Search vendor "Facebook" for product "Hhvm"				4.26.0 Search vendor "Facebook" for product "Hhvm" and version "4.26.0"		-		Affected
Facebook Search vendor "Facebook"		Hhvm Search vendor "Facebook" for product "Hhvm"				4.27.0 Search vendor "Facebook" for product "Hhvm" and version "4.27.0"		-		Affected
Facebook Search vendor "Facebook"		Hhvm Search vendor "Facebook" for product "Hhvm"				4.28.0 Search vendor "Facebook" for product "Hhvm" and version "4.28.0"		-		Affected
Facebook Search vendor "Facebook"		Hhvm Search vendor "Facebook" for product "Hhvm"				4.28.1 Search vendor "Facebook" for product "Hhvm" and version "4.28.1"		-		Affected