CVE Vulnerability

CVE-2019-11930

An invalid free in mb_detect_order can cause the application to crash or potentially result in remote code execution. This issue affects HHVM versions prior to 3.30.12, all versions between 4.0.0 and 4.8.5, all versions between 4.9.0 and 4.23.1, as well as 4.24.0, 4.25.0, 4.26.0, 4.27.0, 4.28.0, and 4.28.1.

7.5 /10

CVSS v2.0 :

V3 Legend

Vector :

Exploitability : 10 / Impact : 6.4

Attack Vector

Attack Complexity

Privileges Required

User Interaction

Confidentiality Impact PARTIAL

Integrity Impact PARTIAL

Availability Impact PARTIAL

Scope

9.8 /10

CVSS v3.0 : CRITICAL

V3 Legend

Vector :

Exploitability : 3.9 / Impact : 5.9

Attack Vector NETWORK

Attack Complexity LOW

Privileges Required NONE

User Interaction NONE

Confidentiality Impact HIGH

Integrity Impact HIGH

Availability Impact HIGH

Scope UNCHANGED

References
Link Resource
https://hhvm.com/blog/2019/10/28/security-update.html Vendor Advisory
https://www.facebook.com/security/advisories/cve-2019-11930 Third Party Advisory
https://github.com/facebook/hhvm/commit/524d2e60cfe910406ec6109e4286d7edd545ab36 Patch Third Party Advisory
Configurations

Configuration 1

cpe:2.3:a:facebook:hhvm:*:*:*:*:*:*:*:*
cpe:2.3:a:facebook:hhvm:*:*:*:*:*:*:*:*
cpe:2.3:a:facebook:hhvm:*:*:*:*:*:*:*:*
cpe:2.3:a:facebook:hhvm:4.24.0:*:*:*:*:*:*:*
cpe:2.3:a:facebook:hhvm:4.25.0:*:*:*:*:*:*:*
cpe:2.3:a:facebook:hhvm:4.26.0:*:*:*:*:*:*:*
cpe:2.3:a:facebook:hhvm:4.27.0:*:*:*:*:*:*:*
cpe:2.3:a:facebook:hhvm:4.28.0:*:*:*:*:*:*:*
cpe:2.3:a:facebook:hhvm:4.28.1:*:*:*:*:*:*:*
Information

Published : 2019-12-04 05:16

Updated : 2020-10-06 06:23

NVD link : CVE-2019-11930

Mitre link : CVE-2019-11930

Products Affected
No products.
CWE
CWE-761

Free of Pointer not at Start of Buffer