CVE-2020-1918 - Vulnerability Details - OpenCVE

In-memory file operations (ie: using fopen on a data URI) did not properly restrict negative seeking, allowing for the reading of memory prior to the in-memory buffer. 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.

No CVSS v4.0

Attack Vector Network

Attack Complexity Low

Privileges Required None

Scope Unchanged

Confidentiality Impact High

Integrity Impact None

Availability Impact None

User Interaction None

No CVSS v3.0

Access Vector Network

Access Complexity Low

Authentication None

Confidentiality Impact Partial

Integrity Impact None

Availability Impact None

This CVE is not in the KEV list.

Key SSVC decision points have not yet been added.

Vendors	Products
Facebook	Hhvm

Configuration 1 [-]

OR	cpe:2.3:a:facebook:hhvm::::::::
	cpe:2.3:a:facebook:hhvm::::::::
	cpe:2.3:a:facebook:hhvm::::::::
	cpe:2.3:a:facebook:hhvm:4.94.0:::::::*
	cpe:2.3:a:facebook:hhvm:4.95.0:::::::*
	cpe:2.3:a:facebook:hhvm:4.96.0:::::::*
	cpe:2.3:a:facebook:hhvm:4.97.0:::::::*
	cpe:2.3:a:facebook:hhvm:4.98.0:::::::*

No data.

References

Link	Providers
https://github.com/facebook/hhvm/commit/08193b7f0cd3910256e00d599f0f3eb2519c44ca
https://hhvm.com/blog/2021/02/25/security-update.html

History

No history.

MITRE

Status: PUBLISHED

Assigner: facebook

Published: 2021-03-10T15:50:28

Updated: 2024-08-04T06:53:59.798Z

Reserved: 2019-12-02T00:00:00

Link: CVE-2020-1918

Vulnrichment

No data.

NVD

Status : Modified

Published: 2021-03-10T16:15:14.377

Modified: 2024-11-21T05:11:36.647

Link: CVE-2020-1918

Redhat

No data.

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