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Ubuntu Security Notice USN-5179-2
Ubuntu Security Notice 5179-2 - USN-5179-1 fixed vulnerabilities in BusyBox. This update provides the corresponding updates for Ubuntu 16.04 ESM. 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.
==========================================================================Ubuntu Security Notice USN-5179-2May 10, 2022busybox vulnerability==========================================================================A security issue affects these releases of Ubuntu and its derivatives:- Ubuntu 16.04 ESMSummary:BusyBox could be made to crash or run programs if it received speciallycrafted input.Software Description:- busybox: Tiny utilities for small and embedded systemsDetails:USN-5179-1 fixed vulnerabilities in BusyBox. This update provides thecorresponding 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:The problem can be corrected by updating your system to the followingpackage versions:Ubuntu 16.04 ESM: 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+esm1In general, a standard system update will make all the necessary changes.References: https://ubuntu.com/security/notices/USN-5179-2 https://ubuntu.com/security/notices/USN-5179-1 CVE-2021-28831Related news
Ubuntu Security Notice 6335-1 - 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 execute arbitrary code. This issue only affected Ubuntu 14.04 LTS. It was discovered that BusyBox did not properly validate user input when performing certain arithmetic operations. If a user or automated system were tricked into processing a specially crafted file, an attacker could possibly use this issue to cause BusyBox to crash, resulting in a denial of service, or execute arbitrary code.
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decompress_gunzip.c in BusyBox through 1.32.1 mishandles the error bit on the huft_build result pointer, with a resultant invalid free or segmentation fault, via malformed gzip data.