CVE Vulnerability

CVE-2021-24036

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.

7.5 /10

CVSS v2.0 :

V3 Legend

Vector :

Exploitability : 10 / Impact : 6.4

Attack Vector

Attack Complexity

Privileges Required

User Interaction

Confidentiality Impact PARTIAL

Integrity Impact PARTIAL

Availability Impact PARTIAL

Scope

9.8 /10

CVSS v3.0 : CRITICAL

V3 Legend

Vector :

Exploitability : 3.9 / Impact : 5.9

Attack Vector NETWORK

Attack Complexity LOW

Privileges Required NONE

User Interaction NONE

Confidentiality Impact HIGH

Integrity Impact HIGH

Availability Impact HIGH

Scope UNCHANGED

References
Link Resource
https://hhvm.com/blog/2021/07/20/security-update.html Product Vendor Advisory
https://github.com/facebook/folly/commit/4f304af1411e68851bdd00ef6140e9de4616f7d3 Patch Third Party Advisory
https://www.facebook.com/security/advisories/cve-2021-24036 Vendor Advisory
Configurations

Configuration 1

cpe:2.3:a:facebook:hhvm:*:*:*:*:*:*:*:*
cpe:2.3:a:facebook:hhvm:4.115.0:*:*:*:*:*:*:*
cpe:2.3:a:facebook:hhvm:4.116.0:*:*:*:*:*:*:*
cpe:2.3:a:facebook:hhvm:4.117.0:*:*:*:*:*:*:*
cpe:2.3:a:facebook:hhvm:*:*:*:*:*:*:*:*
cpe:2.3:a:facebook:hhvm:*:*:*:*:*:*:*:*
cpe:2.3:a:facebook:hhvm:4.114.0:*:*:*:*:*:*:*
cpe:2.3:a:facebook:hhvm:4.118.0:*:*:*:*:*:*:*
cpe:2.3:a:facebook:hhvm:4.118.1:*:*:*:*:*:*:*
cpe:2.3:a:facebook:folly:*:*:*:*:*:*:*:*
Information

Published : 2021-07-23 01:15

Updated : 2022-10-26 12:30

NVD link : CVE-2021-24036

Mitre link : CVE-2021-24036

Products Affected
No products.
CWE
CWE-190