Use-After-Free Vulnerability in Busybox Awk Applet
CVE-2021-42385

7.2HIGH

Key Information:

Vendor

Busybox

Status
Vendor
CVE Published:
15 November 2021

What is CVE-2021-42385?

A vulnerability in the awk applet of Busybox can lead to a use-after-free condition. This flaw allows an attacker to craft specific awk patterns that, when processed, can result in denial of service or potentially enable unauthorized code execution. Careful handling of input data is essential to mitigate the risks associated with this vulnerability.

Affected Version(s)

busybox < 1.34.0

References

CVSS V3.1

Score:
7.2
Severity:
HIGH
Confidentiality:
High
Integrity:
High
Availability:
High
Attack Vector:
Network
Attack Complexity:
Low
Privileges Required:
High
User Interaction:
None
Scope:
Unchanged

Timeline

  • Vulnerability published

  • Vulnerability Reserved

.