Instituto Nacional de ciberseguridad. Sección Incibe
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CVE-2020-1893

Severity CVSS v4.0:
Pending analysis
Type:
CWE-125 Out-of-bounds Read
Publication date:
03/03/2020
Last modified:
05/03/2020

Description

Insufficient boundary checks when decoding JSON in TryParse reads out of bounds memory, potentially leading to DOS. This issue affects HHVM 4.45.0, 4.44.0, 4.43.0, 4.42.0, 4.41.0, 4.40.0, 4.39.0, versions between 4.33.0 and 4.38.0 (inclusive), versions between 4.9.0 and 4.32.0 (inclusive), and versions prior to 4.8.7.

Impact

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

Base Score: 7.50 HIGH
Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

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

Base Score 3.x
7.50
Severity 3.x
HIGH
Vector 2.0
AV:N/AC:L/Au:N/C:N/I:N/A:P CVSS v2.0 Severity and Metrics:

Base Score: 5.00 MEDIUM
Vector: AV:N/AC:L/Au:N/C:N/I:N/A:P

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

Base Score 2.0
5.00
Severity 2.0
MEDIUM

Vulnerable products and versions

CPE From Up to
cpe:2.3:a:facebook:hhvm:*:*:*:*:*:*:*:* 4.8.7 (excluding)
cpe:2.3:a:facebook:hhvm:*:*:*:*:*:*:*:* 4.9.0 (including) 4.32.0 (including)
cpe:2.3:a:facebook:hhvm:*:*:*:*:*:*:*:* 4.33.0 (including) 4.38.0 (including)
cpe:2.3:a:facebook:hhvm:4.39.0:*:*:*:*:*:*:*
cpe:2.3:a:facebook:hhvm:4.40.0:*:*:*:*:*:*:*
cpe:2.3:a:facebook:hhvm:4.41.0:*:*:*:*:*:*:*
cpe:2.3:a:facebook:hhvm:4.42.0:*:*:*:*:*:*:*
cpe:2.3:a:facebook:hhvm:4.43.0:*:*:*:*:*:*:*
cpe:2.3:a:facebook:hhvm:4.44.0:*:*:*:*:*:*:*
cpe:2.3:a:facebook:hhvm:4.45.0:*:*:*:*:*:*:*

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


References to Advisories, Solutions, and Tools