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Gentoo Linux Security Advisory GLSA 200507-25 |
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http://security.gentoo.org/ |
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Severity: High |
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Title: Clam AntiVirus: Integer overflows |
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Date: July 26, 2005 |
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Bugs: #100178 |
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ID: 200507-25 |
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Synopsis |
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======== |
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|
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Clam AntiVirus is vulnerable to integer overflows when handling several |
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file formats, potentially resulting in the execution of arbitrary code. |
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|
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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 < 0.86.2 >= 0.86.2 |
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|
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Description |
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=========== |
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|
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Neel Mehta and Alex Wheeler discovered that Clam AntiVirus is |
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vulnerable to integer overflows when handling the TNEF, CHM and FSG |
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file formats. |
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|
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Impact |
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====== |
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|
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By sending a specially-crafted file an attacker could execute arbitrary |
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code with the permissions of the user running Clam AntiVirus. |
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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 version: |
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# emerge --sync |
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# emerge --ask --oneshot --verbose ">=app-antivirus/clamav-0.86.2" |
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|
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References |
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========== |
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|
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[ 1 ] BugTraq Announcement |
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http://www.securityfocus.com/archive/1/406377/30/ |
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[ 2 ] Clam AntiVirus: Release Notes |
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http://sourceforge.net/project/shownotes.php?release_id=344514 |
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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-200507-25.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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|
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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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|
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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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