7.5

CVE-2020-1918

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.

Data is provided by the National Vulnerability Database (NVD)
Facebook ≫ Hhvm Version < 4.56.3
Facebook ≫ Hhvm Version >= 4.57.0 < 4.80.2
Facebook ≫ Hhvm Version >= 4.81.0 < 4.93.2
Facebook ≫ Hhvm Version4.94.0
Facebook ≫ Hhvm Version4.95.0
Facebook ≫ Hhvm Version4.96.0
Facebook ≫ Hhvm Version4.97.0
Facebook ≫ Hhvm Version4.98.0
Zu dieser CVE wurde keine CISA KEV oder CERT.AT-Warnung gefunden.
EPSS Metriken
Type Source Score Percentile
EPSS FIRST.org 0.33% 0.555
CVSS Metriken
Source Base Score Exploit Score Impact Score Vector string
nvd@nist.gov 7.5 3.9 3.6
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N
nvd@nist.gov 5 10 2.9
AV:N/AC:L/Au:N/C:P/I:N/A:N
CWE-125 Out-of-bounds Read

The product reads data past the end, or before the beginning, of the intended buffer.

CWE-127 Buffer Under-read

The product reads from a buffer using buffer access mechanisms such as indexes or pointers that reference memory locations prior to the targeted buffer.