CVE-2023-42364: Use After Free
First published: Mon Nov 27 2023(Updated: )
A use-after-free vulnerability in BusyBox v.1.36.1 allows attackers to cause a denial of service via a crafted awk pattern in the awk.c evaluate function.
Credit: cve@mitre.org cve@mitre.org
| Affected Software | Affected Version | How to fix |
|---|---|---|
| Busybox Busybox | =1.36.1 | |
| debian/busybox | <=1:1.30.1-6<=1:1.35.0-4<=1:1.36.1-9 |
Remedy
https://git.busybox.net/busybox/commit/editors/awk.c?id=0256e00a9d077588bd3a39f5a1ef7e2eaa2911e4
Remedy
https://git.busybox.net/busybox/commit/editors/awk.c?id=fb08d43d44d1fea1f741fafb9aa7e1958a5f69aa
Remedy
https://git.busybox.net/busybox/commit/editors/awk.c?id=38335df9e9f45378c3407defd38b5b610578bdda
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Reference Links
Frequently Asked Questions
What is CVE-2023-42364?
CVE-2023-42364 is a use-after-free vulnerability in BusyBox v.1.36.1 that allows attackers to cause a denial of service via a crafted awk pattern in the awk.c evaluate function.
How can this vulnerability be exploited?
This vulnerability can be exploited by using a crafted awk pattern in the evaluate function of the awk.c file in BusyBox v.1.36.1.
What is the severity of CVE-2023-42364?
CVE-2023-42364 has a severity rating of medium.
What software versions are affected by CVE-2023-42364?
CVE-2023-42364 affects BusyBox v.1.36.1.
Is there a fix available for CVE-2023-42364?
At the moment, there is no known fix available for CVE-2023-42364. It is recommended to update to a version of BusyBox that is not affected by the vulnerability when it becomes available.
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