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Gentoo Linux Security Advisory GLSA 201708-08 |
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https://security.gentoo.org/ |
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Severity: Normal |
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Title: bzip2: Denial of Service |
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Date: August 21, 2017 |
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Bugs: #620466 |
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ID: 201708-08 |
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Synopsis |
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======== |
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|
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An use-after-free vulnerability has been found in bzip2 that could |
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allow remote attackers to cause a Denial of Service condition. |
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Background |
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========== |
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|
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bzip2 is a high-quality data compressor used extensively by Gentoo |
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Linux. |
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Affected packages |
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================= |
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|
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------------------------------------------------------------------- |
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Package / Vulnerable / Unaffected |
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------------------------------------------------------------------- |
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1 app-arch/bzip2 < 1.0.6-r8: >= 1.0.6-r8: |
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Description |
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=========== |
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|
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A use-after-free flaw was found in bzip2recover, leading to a null |
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pointer dereference, or a write to a closed file descriptor. Please |
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review the CVE identifier referenced below for details. |
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|
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Impact |
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====== |
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|
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A remote attacker could entice a user to process a specially crafted |
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bzip2 archive using bzip2recover, possibly resulting in a Denial of |
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Service condition. |
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Workaround |
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========== |
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There is no known workaround at this time. |
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Resolution |
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========== |
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All bzip2 users should upgrade to the latest version: |
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# emerge --sync |
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# emerge --ask --oneshot --verbose ">=app-arch/bzip2-1.0.6-r8" |
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|
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References |
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========== |
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|
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[ 1 ] CVE-2016-3189 |
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http://nvd.nist.gov/nvd.cfm?cvename=CVE-2016-3189 |
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Availability |
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============ |
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This GLSA and any updates to it are available for viewing at |
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the Gentoo Security Website: |
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https://security.gentoo.org/glsa/201708-08 |
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Concerns? |
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========= |
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Security is a primary focus of Gentoo Linux and ensuring the |
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confidentiality and security of our users' machines is of utmost |
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importance to us. Any security concerns should be addressed to |
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security@g.o or alternatively, you may file a bug at |
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https://bugs.gentoo.org. |
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License |
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======= |
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Copyright 2017 Gentoo Foundation, Inc; referenced text |
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belongs to its owner(s). |
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The contents of this document are licensed under the |
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Creative Commons - Attribution / Share Alike license. |
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http://creativecommons.org/licenses/by-sa/2.5 |
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