CVE-2022-30065: Use After Free
First published: Wed May 18 2022(Updated: )
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.
Credit: cve@mitre.org
| Affected Software | Affected Version | How to fix |
|---|---|---|
| BusyBox | =1.35.0 | |
| Siemens Scalance SC622-2C Firmware | <3.0 | |
| Siemens Scalance SC622-2C Firmware | ||
| Siemens Scalance SC626-2C | <3.0 | |
| Siemens Scalance SC626-2C Firmware | ||
| Siemens Scalance SC632-2C Firmware | <3.0 | |
| Siemens Scalance SC632-2C Firmware | ||
| Siemens Scalance SC636-2C | <3.0 | |
| Siemens SCALANCE SC636-2C | ||
| Siemens Scalance SC642-2C | <3.0 | |
| Siemens SCALANCE SC642-2C | ||
| Siemens Scalance SC646-2C Firmware | <3.0 | |
| Siemens SCALANCE SC646-2C (6GK5646-2GS00-2AC2) |
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Reference Links
Frequently Asked Questions
What is CVE-2022-30065?
CVE-2022-30065 is a use-after-free vulnerability in Busybox 1.35-x's awk applet that can lead to denial of service and possibly code execution when processing a crafted awk pattern in the copyvar function.
Which software versions are affected by CVE-2022-30065?
Busybox version 1.35.0 and Apple macOS Big Sur (up to exclusive version 3.0) are affected by CVE-2022-30065.
What is the severity of CVE-2022-30065?
The severity of CVE-2022-30065 is high with a CVSS score of 7.8.
How can CVE-2022-30065 be exploited?
CVE-2022-30065 can be exploited by processing a crafted awk pattern in the copyvar function of Busybox 1.35-x's awk applet.
Where can I find more information about CVE-2022-30065?
More information about CVE-2022-30065 can be found at the following references: [https://bugs.busybox.net/show_bug.cgi?id=14781](https://bugs.busybox.net/show_bug.cgi?id=14781) and [https://cert-portal.siemens.com/productcert/pdf/ssa-333517.pdf](https://cert-portal.siemens.com/productcert/pdf/ssa-333517.pdf)
- agent/references
- agent/type
- agent/author
- agent/severity
- agent/description
- collector/mitre-cve
- source/MITRE
- agent/last-modified-date
- agent/first-publish-date
- agent/event
- agent/source
- agent/weakness
- agent/tags
- agent/softwarecombine
- collector/nvd-index
- agent/software-canonical-lookup-request
- vendor/busybox
- canonical/busybox
- version/busybox/1.35.0
- vendor/siemens
- canonical/siemens scalance sc622-2c firmware
- canonical/siemens scalance sc626-2c
- canonical/siemens scalance sc626-2c firmware
- canonical/siemens scalance sc632-2c firmware
- canonical/siemens scalance sc636-2c
- canonical/siemens scalance sc642-2c
- canonical/siemens scalance sc646-2c firmware
- canonical/siemens scalance sc646-2c (6gk5646-2gs00-2ac2)