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Gentoo Linux Security Advisory GLSA 200506-23 |
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http://security.gentoo.org/ |
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Severity: Normal |
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Title: Clam AntiVirus: Denial of Service vulnerability |
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Date: June 27, 2005 |
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Bugs: #96960 |
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ID: 200506-23 |
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Synopsis |
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======== |
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|
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Clam AntiVirus is vulnerable to a Denial of Service attack when |
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processing certain Quantum archives. |
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Background |
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========== |
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|
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Clam AntiVirus is a GPL anti-virus toolkit, designed for integration |
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with mail servers to perform attachment scanning. Clam AntiVirus also |
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provides a command line scanner and a tool for fetching updates of the |
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virus database. |
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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-antivirus/clamav < 0.86.1 >= 0.86.1 |
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Description |
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=========== |
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|
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Andrew Toller and Stefan Kanthak discovered that a flaw in libmspack's |
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Quantum archive decompressor renders Clam AntiVirus vulnerable to a |
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Denial of Service attack. |
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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 exploit this vulnerability to cause a Denial of |
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Service by sending a specially crafted Quantum archive to the server. |
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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 Clam AntiVirus users should upgrade to the latest available |
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version: |
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# emerge --sync |
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# emerge --ask --oneshot --verbose ">=app-antivirus/clamav-0.86.1" |
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|
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References |
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========== |
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[ 1 ] Clam AntiVirus Release Notes |
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http://sourceforge.net/project/shownotes.php?release_id=337279 |
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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-200506-23.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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http://bugs.gentoo.org. |
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License |
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======= |
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Copyright 2005 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/2.0 |
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