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Gentoo Linux Security Advisory GLSA 200804-02 |
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http://security.gentoo.org/ |
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|
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Severity: Normal |
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Title: bzip2: Denial of Service |
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Date: April 02, 2008 |
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Bugs: #213820 |
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ID: 200804-02 |
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|
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Synopsis |
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======== |
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|
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A buffer overread vulnerability has been discovered in Bzip2. |
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|
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Background |
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========== |
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|
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bzip2 is a free and open source lossless data compression program. |
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|
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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 < 1.0.5 >= 1.0.5 |
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|
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Description |
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=========== |
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|
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The Oulu University discovered that bzip2 does not properly check |
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offsets provided by the bzip2 file, leading to a buffer overread. |
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|
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Impact |
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====== |
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|
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Remote attackers can entice a user or automated system to open a |
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specially crafted file that triggers a buffer overread, causing a |
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Denial of Service. libbz2 and programs linking against it are also |
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affected. |
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|
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Workaround |
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========== |
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|
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There is no known workaround at this time. |
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|
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Resolution |
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========== |
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|
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All bzip2 users should upgrade to the latest version: |
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|
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# emerge --sync |
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# emerge --ask --oneshot --verbose ">=app-arch/bzip2-1.0.5" |
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|
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References |
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========== |
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|
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[ 1 ] CVE-2008-1372 |
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http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2008-1372 |
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|
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Availability |
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============ |
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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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|
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http://security.gentoo.org/glsa/glsa-200804-02.xml |
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|
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Concerns? |
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========= |
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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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http://bugs.gentoo.org. |
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|
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License |
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======= |
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|
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Copyright 2008 Gentoo Foundation, Inc; referenced text |
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belongs to its owner(s). |
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|
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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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|
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http://creativecommons.org/licenses/by-sa/2.5 |
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