Use-After-Free Vulnerability in BusyBox Affects Users
CVE-2023-42364

5.5MEDIUM

Key Information:

Vendor

Busybox

Status
Busybox
Vendor
CVE Published:
27 November 2023

What is CVE-2023-42364?

The use-after-free vulnerability in BusyBox version 1.36.1 can be exploited by attackers to create a denial of service condition. This occurs through the manipulation of a crafted awk pattern within the awk.c evaluate function, allowing for unintended memory access and system instability. Users are urged to review their deployment configurations to mitigate potential risks.

References

https://bugs.busybox.net/show_bug.cgi?id=15868

CVSS V3.1

Score:
5.5
Severity:
MEDIUM
Confidentiality:
None
Integrity:
None
Availability:
None
Attack Vector:
Local
Attack Complexity:
Low
Privileges Required:
None
User Interaction:
Required
Scope:
Unchanged

Timeline

  • Vulnerability published

  • Vulnerability Reserved

.