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.
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.
Fixes

Solution

No solution given by the vendor.


Workaround

No workaround given by the vendor.

History

No history.

cve-icon MITRE

Status: PUBLISHED

Assigner: facebook

Published:

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

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

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.