CVE-2020-1899
Severity CVSS v4.0:
Pending analysis
Type:
CWE-119
Buffer Errors
Publication date:
11/03/2021
Last modified:
18/03/2021
Description
The unserialize() function supported a type code, "S", which was meant to be supported only for APC serialization. This type code allowed arbitrary memory addresses to be accessed as if they were static StringData objects. This issue affected HHVM prior to v4.32.3, between versions 4.33.0 and 4.56.0, 4.57.0, 4.58.0, 4.58.1, 4.59.0, 4.60.0, 4.61.0, 4.62.0.
Impact
Base Score 3.x
7.50
Severity 3.x
HIGH
Base Score 2.0
5.00
Severity 2.0
MEDIUM
Vulnerable products and versions
| CPE | From | Up to |
|---|---|---|
| cpe:2.3:a:facebook:hhvm:*:*:*:*:*:*:*:* | 4.32.3 (excluding) | |
| cpe:2.3:a:facebook:hhvm:*:*:*:*:*:*:*:* | 4.33.0 (including) | 4.56.1 (excluding) |
| cpe:2.3:a:facebook:hhvm:4.57.0:*:*:*:*:*:*:* | ||
| cpe:2.3:a:facebook:hhvm:4.58.0:*:*:*:*:*:*:* | ||
| cpe:2.3:a:facebook:hhvm:4.58.1:*:*:*:*:*:*:* | ||
| cpe:2.3:a:facebook:hhvm:4.59.0:*:*:*:*:*:*:* | ||
| cpe:2.3:a:facebook:hhvm:4.60.0:*:*:*:*:*:*:* | ||
| cpe:2.3:a:facebook:hhvm:4.61.0:*:*:*:*:*:*:* | ||
| cpe:2.3:a:facebook:hhvm:4.62.0:*:*:*:*:*:*:* |
To consult the complete list of CPE names with products and versions, see this page