CVE-2019-11929
CVSS2
Attack Vector
NETWORK
Attack Complexity
LOW
Authentication
NONE
Confidentiality Impact
PARTIAL
Integrity Impact
PARTIAL
Availability Impact
PARTIAL
AV:N/AC:L/Au:N/C:P/I:P/A:P
CVSS3
Attack Vector
NETWORK
Attack Complexity
LOW
Privileges Required
NONE
User Interaction
NONE
Scope
UNCHANGED
Confidentiality Impact
HIGH
Integrity Impact
HIGH
Availability Impact
HIGH
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
AI Score
Confidence
High
EPSS
Percentile
94.1%
Insufficient boundary checks when formatting numbers in number_format allows read/write access to out-of-bounds memory, potentially leading to remote code execution. This issue affects HHVM versions prior to 3.30.10, all versions between 4.0.0 and 4.8.5, all versions between 4.9.0 and 4.18.2, and versions 4.19.0, 4.19.1, 4.20.0, 4.20.1, 4.20.2, 4.21.0, 4.22.0, 4.23.0.
Affected configurations
| Vendor | Product | Version | CPE |
|---|---|---|---|
| hhvm | * | cpe:2.3:a:facebook:hhvm:*:*:*:*:*:*:*:* | |
| hhvm | 4.19.0 | cpe:2.3:a:facebook:hhvm:4.19.0:*:*:*:*:*:*:* | |
| hhvm | 4.19.1 | cpe:2.3:a:facebook:hhvm:4.19.1:*:*:*:*:*:*:* | |
| hhvm | 4.20.0 | cpe:2.3:a:facebook:hhvm:4.20.0:*:*:*:*:*:*:* | |
| hhvm | 4.20.1 | cpe:2.3:a:facebook:hhvm:4.20.1:*:*:*:*:*:*:* | |
| hhvm | 4.20.2 | cpe:2.3:a:facebook:hhvm:4.20.2:*:*:*:*:*:*:* | |
| hhvm | 4.21.0 | cpe:2.3:a:facebook:hhvm:4.21.0:*:*:*:*:*:*:* | |
| hhvm | 4.22.0 | cpe:2.3:a:facebook:hhvm:4.22.0:*:*:*:*:*:*:* | |
| hhvm | 4.23.0 | cpe:2.3:a:facebook:hhvm:4.23.0:*:*:*:*:*:*:* |
Related
CVSS2
Attack Vector
NETWORK
Attack Complexity
LOW
Authentication
NONE
Confidentiality Impact
PARTIAL
Integrity Impact
PARTIAL
Availability Impact
PARTIAL
AV:N/AC:L/Au:N/C:P/I:P/A:P
CVSS3
Attack Vector
NETWORK
Attack Complexity
LOW
Privileges Required
NONE
User Interaction
NONE
Scope
UNCHANGED
Confidentiality Impact
HIGH
Integrity Impact
HIGH
Availability Impact
HIGH
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
AI Score
Confidence
High
EPSS
Percentile
94.1%