USN-5179-2: BusyBox vulnerability
Publication date
10 May 2022
Overview
BusyBox could be made to crash or run programs if it received specially crafted input.
Releases
Packages
- busybox - Tiny utilities for small and embedded systems
Details
USN-5179-1 fixed vulnerabilities in BusyBox. This update provides the
corresponding updates for Ubuntu 16.04 ESM.
Original advisory details:
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)
USN-5179-1 fixed vulnerabilities in BusyBox. This update provides the
corresponding updates for Ubuntu 16.04 ESM.
Original advisory details:
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)
Update instructions
In general, a standard system update will make all the necessary changes.
Learn more about how to get the fixes.The problem can be corrected by updating your system to the following package versions:
| Ubuntu Release | Package Version | ||
|---|---|---|---|
| 16.04 xenial | busybox – 1:1.22.0-15ubuntu1.4+esm1 | ||
| busybox-initramfs – 1:1.22.0-15ubuntu1.4+esm1 | |||
| busybox-static – 1:1.22.0-15ubuntu1.4+esm1 | |||
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