Description
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.
Published: 2021-03-10
Score: 7.5 High
EPSS: < 1% Very Low
KEV: No
Impact: n/a
Action: n/a
AI Analysis

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Remediation

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Tracking

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Advisories
Source ID Title
EUVD EUVD EUVD-2020-12739 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.
History

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cve-icon MITRE

Status: PUBLISHED

Assigner: facebook

Published:

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

Reserved: 2019-12-02T00:00:00.000Z

Link: CVE-2020-1918

cve-icon Vulnrichment

No data.

cve-icon NVD

Status : Modified

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

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

Link: CVE-2020-1918

cve-icon Redhat

No data.

cve-icon OpenCVE Enrichment

No data.

Weaknesses