CVE Vulnerability

CVE-2020-1892

Insufficient boundary checks when decoding JSON in JSON_parser allows read access to out of bounds memory, potentially leading to information leak and 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.

6.4 /10

CVSS v2.0 :

V3 Legend

Vector :

Exploitability : 10 / Impact : 4.9

Attack Vector

Attack Complexity

Privileges Required

User Interaction

Confidentiality Impact PARTIAL

Integrity Impact NONE

Availability Impact PARTIAL

Scope

8.1 /10

CVSS v3.0 : HIGH

V3 Legend

Vector :

Exploitability : 2.8 / Impact : 5.2

Attack Vector NETWORK

Attack Complexity LOW

Privileges Required NONE

User Interaction REQUIRED

Confidentiality Impact HIGH

Integrity Impact NONE

Availability Impact HIGH

Scope UNCHANGED

References
Link Resource
https://github.com/facebook/hhvm/commit/dabd48caf74995e605f1700344f1ff4a5d83441d Patch
https://hhvm.com/blog/2020/02/20/security-update.html Vendor Advisory
Configurations

Configuration 1

cpe:2.3:a:facebook:hhvm:4.44.0:*:*:*:*:*:*:*
cpe:2.3:a:facebook:hhvm:4.43.0:*:*:*:*:*:*:*
cpe:2.3:a:facebook:hhvm:4.42.0:*:*:*:*:*:*:*
cpe:2.3:a:facebook:hhvm:4.41.0:*:*:*:*:*:*:*
cpe:2.3:a:facebook:hhvm:4.40.0:*:*:*:*:*:*:*
cpe:2.3:a:facebook:hhvm:4.39.0:*:*:*:*:*:*:*
cpe:2.3:a:facebook:hhvm:4.45.0:*:*:*:*:*:*:*
cpe:2.3:a:facebook:hhvm:*:*:*:*:*:*:*:*
cpe:2.3:a:facebook:hhvm:*:*:*:*:*:*:*:*
cpe:2.3:a:facebook:hhvm:*:*:*:*:*:*:*:*
Information

Published : 2020-03-03 03:15

Updated : 2020-03-05 08:28

NVD link : CVE-2020-1892

Mitre link : CVE-2020-1892

Products Affected
No products.
CWE
CWE-125

Out-of-bounds Read