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CVE-2021-42382

Status Candidate

Overview

A use-after-free in Busybox's awk applet leads to denial of service and possibly code execution when processing a crafted awk pattern in the getvar_s function

Related Files

Gentoo Linux Security Advisory 202407-17
Posted Jul 5, 2024
Authored by Gentoo | Site security.gentoo.org

Gentoo Linux Security Advisory 202407-17 - Multiple vulnerabilities have been discovered in BusyBox, the worst of which could lead to arbitrary code execution. Versions greater than or equal to 1.34.0 are affected.

tags | advisory, arbitrary, vulnerability, code execution
systems | linux, gentoo
advisories | CVE-2021-42373, CVE-2021-42374, CVE-2021-42375, CVE-2021-42376, CVE-2021-42377, CVE-2021-42378, CVE-2021-42379, CVE-2021-42380, CVE-2021-42381, CVE-2021-42382, CVE-2021-42383, CVE-2021-42384, CVE-2021-42385, CVE-2021-42386
SHA-256 | 97b5bc217bf269ff4fab48d58e08f68f870b8dac3e73db14e72a9e75983817df
Ubuntu Security Notice USN-5179-1
Posted Dec 7, 2021
Authored by Ubuntu | Site security.ubuntu.com

Ubuntu Security Notice 5179-1 - 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 possibly execute arbitrary code. 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. Various other issues were also addressed.

tags | advisory, remote, denial of service, arbitrary
systems | linux, ubuntu
advisories | CVE-2021-28831, CVE-2021-42374, CVE-2021-42380, CVE-2021-42382, CVE-2021-42384, CVE-2021-42385
SHA-256 | 79cb4e9baef6c0111d14c5407d557d10a3cc57baccdc288769485ee70c931402
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