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.

CVSS v3.0 9.8 CRITICAL
CVSS v2.0 7.5 HIGH

9.8^/10

CVSS v3.0 : CRITICAL

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

7.5^/10

CVSS v2.0 : HIGH

Vector : AV:N/AC:L/Au:N/C:P/I:P/A:P

Exploitability : 10.0 / Impact : 6.4

Access Vector NETWORK

Access Complexity LOW

Authentication NONE

Confidentiality Impact PARTIAL

Integrity Impact PARTIAL

Availability Impact PARTIAL

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

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Configurations

Configuration 1 (hide)

OR	cpe:2.3:a:facebook:hhvm:4.23.0:::::::*
	cpe:2.3:a:facebook:hhvm:4.19.1:::::::*
	cpe:2.3:a:facebook:hhvm::::::::
	cpe:2.3:a:facebook:hhvm::::::::
	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:4.22.0:::::::*
	cpe:2.3:a:facebook:hhvm:4.19.0:::::::*
	cpe:2.3:a:facebook:hhvm::::::::

Information

Published : 2019-10-02 12:15

Updated : 2019-10-10 10:14

NVD link : CVE-2019-11929

Mitre link : CVE-2019-11929

JSON object : View

CWE

CWE-119

Improper Restriction of Operations within the Bounds of a Memory Buffer

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Products Affected

facebook

hhvm

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