CVE-2020-28895

high

Description

In Wind River VxWorks, memory allocator has a possible overflow in calculating the memory block's size to be allocated by calloc(). As a result, the actual memory allocated is smaller than the buffer size specified by the arguments, leading to memory corruption.

References

https://www.cisa.gov/news-events/ics-advisories/icsa-21-119-04

https://www.tenable.com/cyber-exposure/2021-threat-landscape-retrospective

https://www.oracle.com/security-alerts/cpuapr2022.html

https://support2.windriver.com/index.php?page=defects&on=view&id=V7LIBC-1327

https://support2.windriver.com/index.php?page=cve&on=view&id=CVE-2020-28895

Details

Source: Mitre, NVD

Published: 2021-02-03

Updated: 2022-05-12

Risk Information

CVSS v2

Base Score: 7.5

Vector: CVSS2#AV:N/AC:L/Au:N/C:P/I:P/A:P

Severity: High

CVSS v3

Base Score: 7.3

Vector: CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:L

Severity: High