// For flags

CVE-2020-1919

 

Severity Score

7.5
*CVSS v3.1

Exploit Likelihood

*EPSS

Affected Versions

*CPE

Public Exploits

0
*Multiple Sources

Exploited in Wild

-
*KEV

Decision

-
*SSVC
Descriptions

Incorrect bounds calculations in substr_compare could lead to an out-of-bounds read when the second string argument passed in is longer than the first. This issue affects HHVM versions prior to 4.56.3, all versions between 4.57.0 and 4.80.1, all versions between 4.81.0 and 4.93.1, and versions 4.94.0, 4.95.0, 4.96.0, 4.97.0, 4.98.0.

Unos cálculos de límites incorrectos en la función substr_compare podrían conllevar a una lectura fuera de límites cuando el segundo argumento de cadena pasado es más largo que el primero. Este problema afecta a HHVM versiones anteriores a 4.56.3, todas las versiones entre 4.57.0 y 4.80.1, todas las versiones entre 4.81.0 y 4.93.1 y las versiones 4.94.0, 4.95.0, 4.96.0, 4.97.0 , 4.98.0

*Credits: N/A
CVSS Scores
Attack Vector
Network
Attack Complexity
Low
Privileges Required
None
User Interaction
None
Scope
Unchanged
Confidentiality
High
Integrity
None
Availability
None
Attack Vector
Network
Attack Complexity
Low
Authentication
None
Confidentiality
Partial
Integrity
None
Availability
None
* Common Vulnerability Scoring System
SSVC
  • Decision:-
Exploitation
-
Automatable
-
Tech. Impact
-
* Organization's Worst-case Scenario
Timeline
  • 2019-12-02 CVE Reserved
  • 2021-03-10 CVE Published
  • 2023-11-24 EPSS Updated
  • 2024-08-04 CVE Updated
  • ---------- Exploited in Wild
  • ---------- KEV Due Date
  • ---------- First Exploit
CWE
  • CWE-125: Out-of-bounds Read
CAPEC
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"
< 4.56.3
Search vendor "Facebook" for product "Hhvm" and version " < 4.56.3"
-
Affected
Facebook
Search vendor "Facebook"
Hhvm
Search vendor "Facebook" for product "Hhvm"
>= 4.57.0 < 4.80.2
Search vendor "Facebook" for product "Hhvm" and version " >= 4.57.0 < 4.80.2"
-
Affected
Facebook
Search vendor "Facebook"
Hhvm
Search vendor "Facebook" for product "Hhvm"
>= 4.81.0 < 4.93.2
Search vendor "Facebook" for product "Hhvm" and version " >= 4.81.0 < 4.93.2"
-
Affected
Facebook
Search vendor "Facebook"
Hhvm
Search vendor "Facebook" for product "Hhvm"
4.94.0
Search vendor "Facebook" for product "Hhvm" and version "4.94.0"
-
Affected
Facebook
Search vendor "Facebook"
Hhvm
Search vendor "Facebook" for product "Hhvm"
4.95.0
Search vendor "Facebook" for product "Hhvm" and version "4.95.0"
-
Affected
Facebook
Search vendor "Facebook"
Hhvm
Search vendor "Facebook" for product "Hhvm"
4.96.0
Search vendor "Facebook" for product "Hhvm" and version "4.96.0"
-
Affected
Facebook
Search vendor "Facebook"
Hhvm
Search vendor "Facebook" for product "Hhvm"
4.97.0
Search vendor "Facebook" for product "Hhvm" and version "4.97.0"
-
Affected
Facebook
Search vendor "Facebook"
Hhvm
Search vendor "Facebook" for product "Hhvm"
4.98.0
Search vendor "Facebook" for product "Hhvm" and version "4.98.0"
-
Affected