drucken bookmarks versenden konfigurieren admin pdf Sicherheit: Denial of Service in BusyBox
Name: |
Denial of Service in BusyBox |
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ID: |
202105-09 |
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Distribution: |
Gentoo |
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Plattformen: |
Keine Angabe |
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Datum: |
Mi, 26. Mai 2021, 23:00 |
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Referenzen: |
https://nvd.nist.gov/vuln/detail/CVE-2021-28831 |
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Applikationen: |
Busybox |
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Originalnachricht |
This is an OpenPGP/MIME signed message (RFC 4880 and 3156) --3DsfyDwYR8wpwNMqFXLv5GG1X41nEAWi3 Content-Type: multipart/mixed; boundary="mt8Mam9HdV1VJolyzGe1dMjwlfeT0R7eM"; protected-headers="v1" From: Thomas Deutschmann <whissi@gentoo.org> Reply-To: security@gentoo.org To: gentoo-announce@lists.gentoo.org Message-ID: <c881275d-ad95-7556-0f9e-abb33ade0ba7@gentoo.org> Subject: [ GLSA 202105-09 ] BusyBox: Denial of service
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- - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - Gentoo Linux Security Advisory GLSA 202105-09 - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - https://security.gentoo.org/ - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - -
Severity: Low Title: BusyBox: Denial of service Date: May 26, 2021 Bugs: #777255 ID: 202105-09
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Synopsis ========
A vulnerability in BusyBox might allow remote attackers to cause a Denial of Service condition.
Background ==========
BusyBox is a set of tools for embedded systems and is a replacement for GNU Coreutils.
Affected packages =================
------------------------------------------------------------------- Package / Vulnerable / Unaffected ------------------------------------------------------------------- 1 sys-apps/busybox < 1.32.1 >= 1.32.1
Description ===========
It was discovered that BusyBox mishandled the error bit on the huft_build result pointer when decompressing GZIP compressed data.
Impact ======
A remote attacker could entice a user to open a specially crafted GZIP file using BusyBox, possibly resulting in a Denial of Service condition.
Workaround ==========
There is no known workaround at this time.
Resolution ==========
All BusyBox users should upgrade to the latest version:
# emerge --sync # emerge --ask --oneshot --verbose ">=sys-apps/busybox-1.32.1"
References ==========
[ 1 ] CVE-2021-28831 https://nvd.nist.gov/vuln/detail/CVE-2021-28831
Availability ============
This GLSA and any updates to it are available for viewing at the Gentoo Security Website:
https://security.gentoo.org/glsa/202105-09
Concerns? =========
Security is a primary focus of Gentoo Linux and ensuring the confidentiality and security of our users' machines is of utmost importance to us. Any security concerns should be addressed to security@gentoo.org or alternatively, you may file a bug at https://bugs.gentoo.org.
License =======
Copyright 2021 Gentoo Foundation, Inc; referenced text belongs to its owner(s).
The contents of this document are licensed under the Creative Commons - Attribution / Share Alike license.
https://creativecommons.org/licenses/by-sa/2.5
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