CVE-2021-43637: amazon workspaces Classic Buffer Overflow

Vulnerability summary

CVE-2021-43637 is a high (CVSS 8.8) Classic Buffer Overflow vulnerability in amazon workspaces. EPSS estimates a 0.48% chance of exploitation in the next 30 days, higher than 39.9% of scored vulnerabilities. 1 public exploit is recorded.

Timeline

1. 07-12-2021
   PublishedVulnerability first disclosed.
2. 04-08-2024
   Last modifiedVulnerability information updated.

Description

Amazon WorkSpaces agent is affected by Buffer Overflow. IOCTL Handler 0x22001B in the Amazon WorkSpaces agent below v1.0.1.1537 allow local attackers to execute arbitrary code in kernel mode or cause a denial of service (memory corruption and OS crash) via specially crafted I/O Request Packet.

• CWE-120Buffer Copy without Checking Size of Input ('Classic Buffer Overflow')The product copies an input buffer to an output buffer without verifying that the size of the input buffer is less than the size of the output buffer.