Instituto Nacional de ciberseguridad. Sección Incibe
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CVE-2021-24036

Severity CVSS v4.0:
Pending analysis
Type:
CWE-190 Integer Overflow or Wraparound
Publication date:
23/07/2021
Last modified:
26/10/2022

Description

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.

Impact

Vector 3.x
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H CVSS v3.1 Severity and Metrics:

Base Score: 9.80 CRITICAL
Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Attack Vector (AV): Network
Attack Complexity (AC): Low
Privileges Required (PR): None
User Interaction (UI): None
Scope (S): Unchanged
Confidentiality (C): High
Integrity (I): High
Availability (A): High

Base Score 3.x
9.80
Severity 3.x
CRITICAL
Vector 2.0
AV:N/AC:L/Au:N/C:P/I:P/A:P CVSS v2.0 Severity and Metrics:

Base Score: 7.50 HIGH
Vector: AV:N/AC:L/Au:N/C:P/I:P/A:P

Attack Vector (AV): Network
Attack Complexity (AC): Low
Authentication (Au): None
Confidentiality (C): Physical
Integrity (I): Physical
Availability (A): Physical

Base Score 2.0
7.50
Severity 2.0
HIGH

Vulnerable products and versions

CPE From Up to
cpe:2.3:a:facebook:folly:*:*:*:*:*:*:*:* 2021.07.22.00 (excluding)
cpe:2.3:a:facebook:hhvm:*:*:*:*:*:*:*:* 4.80.5 (excluding)
cpe:2.3:a:facebook:hhvm:*:*:*:*:*:*:*:* 4.81.0 (including) 4.102.1 (including)
cpe:2.3:a:facebook:hhvm:*:*:*:*:*:*:*:* 4.103.0 (including) 4.113.0 (including)
cpe:2.3:a:facebook:hhvm:4.114.0:*:*:*:*:*:*:*
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:4.118.0:*:*:*:*:*:*:*
cpe:2.3:a:facebook:hhvm:4.118.1:*:*:*:*:*:*:*

To consult the complete list of CPE names with products and versions, see this page


References to Advisories, Solutions, and Tools