CVE-2020-1919
CVSS2
Attack Vector
NETWORK
Attack Complexity
LOW
Authentication
NONE
Confidentiality Impact
PARTIAL
Integrity Impact
NONE
Availability Impact
NONE
AV:N/AC:L/Au:N/C:P/I:N/A:N
CVSS3
Attack Vector
NETWORK
Attack Complexity
LOW
Privileges Required
NONE
User Interaction
NONE
Scope
UNCHANGED
Confidentiality Impact
HIGH
Integrity Impact
NONE
Availability Impact
NONE
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N
EPSS
Percentile
55.1%
Incorrect bounds calculations in substr_compare could lead to an out-of-bounds read when the second string argument passed in is longer than the first. This issue affects HHVM versions prior to 4.56.3, all versions between 4.57.0 and 4.80.1, all versions between 4.81.0 and 4.93.1, and versions 4.94.0, 4.95.0, 4.96.0, 4.97.0, 4.98.0.
Affected configurations
| Vendor | Product | Version | CPE |
|---|---|---|---|
| hhvm | * | cpe:2.3:a:facebook:hhvm:*:*:*:*:*:*:*:* | |
| hhvm | 4.94.0 | cpe:2.3:a:facebook:hhvm:4.94.0:*:*:*:*:*:*:* | |
| hhvm | 4.95.0 | cpe:2.3:a:facebook:hhvm:4.95.0:*:*:*:*:*:*:* | |
| hhvm | 4.96.0 | cpe:2.3:a:facebook:hhvm:4.96.0:*:*:*:*:*:*:* | |
| hhvm | 4.97.0 | cpe:2.3:a:facebook:hhvm:4.97.0:*:*:*:*:*:*:* | |
| hhvm | 4.98.0 | cpe:2.3:a:facebook:hhvm:4.98.0:*:*:*:*:*:*:* |
Related
CVSS2
Attack Vector
NETWORK
Attack Complexity
LOW
Authentication
NONE
Confidentiality Impact
PARTIAL
Integrity Impact
NONE
Availability Impact
NONE
AV:N/AC:L/Au:N/C:P/I:N/A:N
CVSS3
Attack Vector
NETWORK
Attack Complexity
LOW
Privileges Required
NONE
User Interaction
NONE
Scope
UNCHANGED
Confidentiality Impact
HIGH
Integrity Impact
NONE
Availability Impact
NONE
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N
EPSS
Percentile
55.1%