CVE-2022-30065 Use after free in n/a
A use-after-free in BusyBox awk allows attackers to cause denial of service or potentially execute code via crafted patterns.
- Exploited in the wild
- Not known
- Login needed
- Not needed
- Attackable
- Local or same network only
- Victim action needed
- A user has to click or open something
- Fix
- Available
What is CVE-2022-30065?
CVE-2022-30065 is a high-severity use after free vulnerability in n/a, published on 18 May 2022. It can only be exploited from the same machine or local network, and only if a user opens a file or follows a link.
Official description
A use-after-free in Busybox 1.35-x's awk applet leads to denial of service and possibly code execution when processing a crafted awk pattern in the copyvar function.
Weakness: CWE-416
Which versions are affected by CVE-2022-30065?
It affects 7 products.
Linux distribution packages (5)
busybox SUSE:Linux Enterprise Module for Basesystem 15 SP3 | All versions | 1.35.0-150000.4.17.1 |
busybox SUSE:Linux Enterprise Server 12 SP5 | All versions | 1.35.0-4.6.2 |
busybox SUSE:Linux Enterprise Server for SAP Applications 12 SP5 | All versions | 1.35.0-4.6.2 |
busybox openSUSE:Leap 15.3 | All versions | 1.35.0-150000.4.17.1 |
busybox openSUSE:Tumbleweed | All versions | 1.35.0-9.1 |
Products include Busybox Busybox, Siemens Scalance Sc622-2c Firmware, Siemens Scalance Sc626-2c Firmware, Siemens Scalance Sc632-2c Firmware, Siemens Scalance Sc636-2c Firmware, Siemens Scalance Sc642-2c Firmware and 1 more.
How do I fix CVE-2022-30065?
Apply the vendor's patch.
Upgrade to the fixed version. These bugs are found with fuzzing and sanitisers and avoided by memory-safe languages. More about Use after free.
Is CVE-2022-30065 being exploited?
There is no known exploitation of CVE-2022-30065 in the wild and no public exploit code.
Other vulnerabilities in n/a
Sources
Also known as ALPINE-CVE-2022-30065, AZL-9815, CLEANSTART-2026-EH13874, DEBIAN-CVE-2022-30065, GHSA-gq73-rh3m-3php, MGASA-2022-0458 and 4 more.