drucken bookmarks versenden konfigurieren admin pdf Sicherheit: Denial of Service in bzip2
Name: |
Denial of Service in bzip2 |
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ID: |
201708-08 |
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Distribution: |
Gentoo |
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Plattformen: |
Keine Angabe |
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Datum: |
Mo, 21. August 2017, 08:25 |
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Referenzen: |
http://nvd.nist.gov/nvd.cfm?cvename=CVE-2016-3189 |
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Applikationen: |
bzip2 |
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Originalnachricht |
This is an OpenPGP/MIME signed message (RFC 4880 and 3156) --RFl1CGLDVN1N2d3HwVlOHX2JmwWemxdUU Content-Type: multipart/mixed; boundary="DGjoRUjjXP0eUWl8VtJCXcBmaI6qibKhS"; protected-headers="v1" From: Thomas Deutschmann <whissi@gentoo.org> Reply-To: security@gentoo.org To: gentoo-announce@lists.gentoo.org Message-ID: <8f2a9981-9ba0-60fd-bda1-a249216679af@gentoo.org> Subject: [ GLSA 201708-08 ] bzip2: Denial of Service
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- - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - Gentoo Linux Security Advisory GLSA 201708-08 - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - https://security.gentoo.org/ - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - -
Severity: Normal Title: bzip2: Denial of Service Date: August 21, 2017 Bugs: #620466 ID: 201708-08
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Synopsis ========
An use-after-free vulnerability has been found in bzip2 that could allow remote attackers to cause a Denial of Service condition.
Background ==========
bzip2 is a high-quality data compressor used extensively by Gentoo Linux.
Affected packages =================
------------------------------------------------------------------- Package / Vulnerable / Unaffected ------------------------------------------------------------------- 1 app-arch/bzip2 < 1.0.6-r8: >= 1.0.6-r8:
Description ===========
A use-after-free flaw was found in bzip2recover, leading to a null pointer dereference, or a write to a closed file descriptor. Please review the CVE identifier referenced below for details.
Impact ======
A remote attacker could entice a user to process a specially crafted bzip2 archive using bzip2recover, possibly resulting in a Denial of Service condition.
Workaround ==========
There is no known workaround at this time.
Resolution ==========
All bzip2 users should upgrade to the latest version:
# emerge --sync # emerge --ask --oneshot --verbose ">=app-arch/bzip2-1.0.6-r8"
References ==========
[ 1 ] CVE-2016-3189 http://nvd.nist.gov/nvd.cfm?cvename=CVE-2016-3189
Availability ============
This GLSA and any updates to it are available for viewing at the Gentoo Security Website:
https://security.gentoo.org/glsa/201708-08
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 2017 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.
http://creativecommons.org/licenses/by-sa/2.5
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