USN-5179-1: BusyBox vulnerabilities
It was discovered that BusyBox incorrectly handled certain malformed gzip archives. If a user or automated system were tricked into processing a specially crafted gzip archive, a remote attacker could use this issue to cause BusyBox to crash, resulting in a denial of service, or possibly execute arbitrary code. (CVE-2021-28831) It was discovered that BusyBox incorrectly handled certain malformed LZMA archives. If a user or automated system were tricked into processing a specially crafted LZMA archive, a remote attacker could use this issue to cause BusyBox to crash, resulting in a denial of service, or possibly leak sensitive information. (CVE-2021-42374) Vera Mens, Uri Katz, Tal Keren, Sharon Brizinov, and Shachar Menashe discovered that BusyBox incorrectly handled certain awk patterns. If a user or automated system were tricked into processing a specially crafted awk pattern, a remote attacker could use this issue to cause BusyBox to crash, resulting in a denial of service, or possibly execute arbitrary code. (CVE-2021-42378, CVE-2021-42379, CVE-2021-42380, CVE-2021-42381, CVE-2021-42382, CVE-2021-42384, CVE-2021-42385, CVE-2021-42386)
Affected Software
Event History
Child vulnerabilities
Contains the following vulnerabilities.
Frequently Asked Questions
What are the vulnerabilities addressed in USN-5179-1?
The vulnerabilities addressed in USN-5179-1 are CVE-2021-28831, CVE-2021-42378, and CVE-2021-42386.
What is the impact of CVE-2021-28831?
CVE-2021-28831 could allow a remote attacker to cause a denial of service or possibly execute arbitrary code.
How can I fix the vulnerabilities in BusyBox?
To fix the vulnerabilities in BusyBox, you should update the software to version 1:1.30.1-6ubuntu3.1 or later.
Which versions of Ubuntu are affected by these vulnerabilities?
The vulnerabilities affect Ubuntu 21.10, 21.04, 20.04, and 18.04.
Where can I find more information about these vulnerabilities?
You can find more information about these vulnerabilities at the following links: [CVE-2021-28831](https://ubuntu.com/security/CVE-2021-28831), [CVE-2021-42378](https://ubuntu.com/security/CVE-2021-42378), and [CVE-2021-42386](https://ubuntu.com/security/CVE-2021-42386).