// For flags

CVE-2021-24036

 

Severity Score

9.8
*CVSS v3.1

Exploit Likelihood

*EPSS

Affected Versions

*CPE

Public Exploits

0
*Multiple Sources

Exploited in Wild

-
*KEV

Decision

-
*SSVC
Descriptions

Passing an attacker controlled size when creating an IOBuf could cause integer overflow, leading to an out of bounds write on the heap with the possibility of remote code execution. This issue affects versions of folly prior to v2021.07.22.00. This issue affects HHVM versions prior to 4.80.5, all versions between 4.81.0 and 4.102.1, all versions between 4.103.0 and 4.113.0, and versions 4.114.0, 4.115.0, 4.116.0, 4.117.0, 4.118.0 and 4.118.1.

Pasar un tamaño controlado por un atacante al crear un IOBuf podría causar un desbordamiento de enteros, lo que llevaría a una escritura fuera de límites en la pila con la posibilidad de ejecución de código remoto. Este problema afecta a las versiones de folly anteriores a la v2021.07.22.00. Este problema afecta a las versiones de HHVM anteriores a la 4.80.5, a todas las versiones entre la 4.81.0 y la 4.102.1, a todas las versiones entre la 4.103.0 y la 4.113.0, y a las versiones 4.114.0, 4.115.0, 4.116.0, 4.117.0, 4.118.0 y 4.118.1

*Credits: N/A
CVSS Scores
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
  • 2021-01-13 CVE Reserved
  • 2021-07-23 CVE Published
  • 2024-08-03 CVE Updated
  • 2024-09-23 EPSS Updated
  • ---------- Exploited in Wild
  • ---------- KEV Due Date
  • ---------- First Exploit
CWE
  • CWE-122: Heap-based Buffer Overflow
  • CWE-190: Integer Overflow or Wraparound
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"
 Folly
Search vendor "Facebook" for product "Folly"
 < 2021.07.22.00
Search vendor "Facebook" for product "Folly" and version " < 2021.07.22.00"
-
Affected
Facebook
Search vendor "Facebook"
 Hhvm
Search vendor "Facebook" for product "Hhvm"
 < 4.80.5
Search vendor "Facebook" for product "Hhvm" and version " < 4.80.5"
-
Affected
Facebook
Search vendor "Facebook"
 Hhvm
Search vendor "Facebook" for product "Hhvm"
 >= 4.81.0 <= 4.102.1
Search vendor "Facebook" for product "Hhvm" and version " >= 4.81.0 <= 4.102.1"
-
Affected
Facebook
Search vendor "Facebook"
 Hhvm
Search vendor "Facebook" for product "Hhvm"
 >= 4.103.0 <= 4.113.0
Search vendor "Facebook" for product "Hhvm" and version " >= 4.103.0 <= 4.113.0"
-
Affected
Facebook
Search vendor "Facebook"
 Hhvm
Search vendor "Facebook" for product "Hhvm"
 4.114.0
Search vendor "Facebook" for product "Hhvm" and version "4.114.0"
-
Affected
Facebook
Search vendor "Facebook"
 Hhvm
Search vendor "Facebook" for product "Hhvm"
 4.115.0
Search vendor "Facebook" for product "Hhvm" and version "4.115.0"
-
Affected
Facebook
Search vendor "Facebook"
 Hhvm
Search vendor "Facebook" for product "Hhvm"
 4.116.0
Search vendor "Facebook" for product "Hhvm" and version "4.116.0"
-
Affected
Facebook
Search vendor "Facebook"
 Hhvm
Search vendor "Facebook" for product "Hhvm"
 4.117.0
Search vendor "Facebook" for product "Hhvm" and version "4.117.0"
-
Affected
Facebook
Search vendor "Facebook"
 Hhvm
Search vendor "Facebook" for product "Hhvm"
 4.118.0
Search vendor "Facebook" for product "Hhvm" and version "4.118.0"
-
Affected
Facebook
Search vendor "Facebook"
 Hhvm
Search vendor "Facebook" for product "Hhvm"
 4.118.1
Search vendor "Facebook" for product "Hhvm" and version "4.118.1"
-
Affected