CVE-2020-35198 Information

Description

An issue was discovered in Wind River VxWorks 7. The memory allocator has a possible integer overflow in calculating a 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.

CVSS Vector

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Reference

https://support2.windriver.com/index.php?page=security-notices https://support2.windriver.com/index.php?page=cve&on=view&id=CVE-2020-35198 https://www.oracle.com/security-alerts/cpuapr2022.html

Attack Complexity

LOW

Privileges Required

NONE

User Interaction Required

NONE

Scope

NONE

Confidentiality Impact

UNCHANGED

Integrity Impact

HIGH

Availability Impact

HIGH

Base Score

HIGH

Base Severity

9.8