Use-After-Free Vulnerability in Busybox Awk Applet
CVE-2022-30065

7.8HIGH

Key Information:

Vendor

Busybox

Status
Busybox
Vendor
CVE Published:
18 May 2022

What is CVE-2022-30065?

A use-after-free vulnerability exists in the awk applet of Busybox version 1.35.x. This flaw allows an attacker to craft specific awk patterns that, when processed, trigger a denial of service condition. In certain cases, this vulnerability could also lead to arbitrary code execution, posing significant risks to affected systems. Proper handling and validation of memory allocation are essential to mitigate the risks associated with this vulnerability.

References

https://bugs.busybox.net/show_bug.cgi?id=14781
https://cert-portal.siemens.com/productcert/pdf/ssa-33351...

CVSS V3.1

Score:
7.8
Severity:
HIGH
Confidentiality:
High
Integrity:
High
Availability:
High
Attack Vector:
Local
Attack Complexity:
Low
Privileges Required:
None
User Interaction:
Required
Scope:
Unchanged

Timeline

  • Vulnerability published

  • Vulnerability Reserved

.