CVE Vulnerability

CVE-2019-11929

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.

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://www.facebook.com/security/advisories/cve-2019-11929 Third Party Advisory
https://hhvm.com/blog/2019/09/25/security-update.html Vendor Advisory
https://github.com/facebook/hhvm/commit/dbeb9a56a638e3fdcef8b691c2a2967132dae692 Patch Third Party Advisory
Configurations

Configuration 1

cpe:2.3:a:facebook:hhvm:4.19.0:*:*:*:*:*:*:*
cpe:2.3:a:facebook:hhvm:4.22.0:*:*:*:*:*:*:*
cpe:2.3:a:facebook:hhvm:4.23.0:*:*:*:*:*:*:*
cpe:2.3:a:facebook:hhvm:4.19.1:*:*:*:*:*:*:*
cpe:2.3:a:facebook:hhvm:4.20.0:*:*:*:*:*:*:*
cpe:2.3:a:facebook:hhvm:4.20.1:*:*:*:*:*:*:*
cpe:2.3:a:facebook:hhvm:4.20.2:*:*:*:*:*:*:*
cpe:2.3:a:facebook:hhvm:4.21.0:*:*:*:*:*:*:*
cpe:2.3:a:facebook:hhvm:*:*:*:*:*:*:*:*
cpe:2.3:a:facebook:hhvm:*:*:*:*:*:*:*:*
cpe:2.3:a:facebook:hhvm:*:*:*:*:*:*:*:*
Information

Published : 2019-10-02 07:15

Updated : 2019-10-10 05:14

NVD link : CVE-2019-11929

Mitre link : CVE-2019-11929

Products Affected
No products.
CWE
CWE-119

Improper Restriction of Operations within the Bounds of a Memory Buffer