CVE Vulnerability

CVE-2020-1893

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.

5 /10

CVSS v2.0 :

V3 Legend

Vector :

Exploitability : 10 / Impact : 2.9

Attack Vector

Attack Complexity

Privileges Required

User Interaction

Confidentiality Impact NONE

Integrity Impact NONE

Availability Impact PARTIAL

Scope

7.5 /10

CVSS v3.0 : HIGH

V3 Legend

Vector :

Exploitability : 3.9 / Impact : 3.6

Attack Vector NETWORK

Attack Complexity LOW

Privileges Required NONE

User Interaction NONE

Confidentiality Impact NONE

Integrity Impact NONE

Availability Impact HIGH

Scope UNCHANGED

References
Link Resource
https://github.com/facebook/hhvm/commit/bd586671a3c22eb2f07e55f11b3ce64e1f7961e7 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 08:36

NVD link : CVE-2020-1893

Mitre link : CVE-2020-1893

Products Affected
No products.
CWE
CWE-125

Out-of-bounds Read