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Gentoo Linux Security Advisory GLSA 201111-11 |
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http://security.gentoo.org/ |
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Severity: Normal |
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Title: GNU Tar: User-assisted execution of arbitrary code |
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Date: November 20, 2011 |
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Bugs: #313333 |
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ID: 201111-11 |
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Synopsis |
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======== |
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|
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A buffer overflow flaw in GNU Tar could result in execution of |
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arbitrary code or a Denial of Service. |
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Background |
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========== |
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|
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GNU Tar is a utility to create archives as well as add and extract |
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files from archives. |
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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/tar < 1.23 >= 1.23 |
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|
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Description |
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=========== |
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|
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GNU Tar is vulnerable to a boundary error in the rmt_read__ function in |
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lib/rtapelib.c, which could cause a heap-based buffer overflow. |
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Impact |
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====== |
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|
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A remote attacker could entice the user to load a specially crafted |
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archive, possibly resulting in the execution of arbitrary code or a |
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Denial of Service. |
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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 GNU Tar users should upgrade to the latest version: |
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# emerge --sync |
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# emerge --ask --oneshot --verbose ">=app-arch/tar-1.23" |
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NOTE: This is a legacy GLSA. Updates for all affected architectures are |
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available since July 18, 2010. It is likely that your system is already |
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no longer affected by this issue. |
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|
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References |
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========== |
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[ 1 ] CVE-2010-0624 |
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http://nvd.nist.gov/nvd.cfm?cvename=CVE-2010-0624 |
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|
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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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http://security.gentoo.org/glsa/glsa-201111-11.xml |
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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 2011 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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