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Gentoo Linux Security Advisory GLSA 200605-03 |
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http://security.gentoo.org/ |
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Severity: Normal |
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Title: ClamAV: Buffer overflow in Freshclam |
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Date: May 02, 2006 |
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Bugs: #131791 |
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ID: 200605-03 |
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Synopsis |
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======== |
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|
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Freshclam is vulnerable to a buffer overflow that could lead to |
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execution of arbitrary code. |
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Background |
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========== |
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ClamAV is a GPL virus scanner. Freshclam is a utility to download virus |
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signature updates. |
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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 < 0.88.2 >= 0.88.2 |
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Description |
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=========== |
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|
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Ulf Harnhammar and an anonymous German researcher discovered that |
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Freshclam fails to check the size of the header data returned by a |
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webserver. |
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Impact |
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====== |
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|
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By enticing a user to connect to a malicious webserver an attacker |
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could cause the execution of arbitrary code. |
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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 ClamAV users should upgrade to the latest version: |
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# emerge --sync |
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# emerge --ask --oneshot --verbose ">=app-antivirus/clamav-0.88.2" |
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References |
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========== |
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[ 1 ] CVE-2006-1989 |
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http://www.cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2006-1989 |
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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-200605-03.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 2006 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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