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Gentoo Linux Security Advisory GLSA 200511-04 |
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http://security.gentoo.org/ |
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Severity: High |
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Title: ClamAV: Multiple vulnerabilities |
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Date: November 06, 2005 |
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Bugs: #109213 |
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ID: 200511-04 |
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Synopsis |
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======== |
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|
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ClamAV has many security flaws which make it vulnerable to remote |
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execution of arbitrary code and a Denial of Service. |
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Background |
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========== |
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|
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ClamAV is a GPL anti-virus toolkit, designed for integration with mail |
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servers to perform attachment scanning. ClamAV also provides a command |
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line scanner and a tool for fetching updates of the virus database. |
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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 < 0.87.1 >= 0.87.1 |
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Description |
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=========== |
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|
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ClamAV has multiple security flaws: a boundary check was performed |
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incorrectly in petite.c, a buffer size calculation in unfsg_133 was |
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incorrect in fsg.c, a possible infinite loop was fixed in tnef.c and a |
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possible infinite loop in cabd_find was fixed in cabd.c . In addition |
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to this, Marcin Owsiany reported that a corrupted DOC file causes a |
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segmentation fault in ClamAV. |
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|
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Impact |
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====== |
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|
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By sending a malicious attachment to a mail server that is hooked with |
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ClamAV, a remote attacker could cause a Denial of Service or the |
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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-0.87.1" |
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References |
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========== |
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[ 1 ] CAN-2005-3239 |
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http://www.cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2005-3239 |
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[ 2 ] CAN-2005-3303 |
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http://www.cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2005-3303 |
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[ 3 ] ClamAV release notes |
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http://sourceforge.net/project/shownotes.php?release_id=368319 |
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[ 4 ] Zero Day Initiative advisory |
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http://www.zerodayinitiative.com/advisories/ZDI-05-002.html |
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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-200511-04.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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