U radu programskog paketa Clam AntiVirus uočeno je više sigurnosnih propusta. Te je propuste moguće iskoristiti za pokretanje proizvoljnog programskog koda i DoS (eng. Denial of Service) napad.
Paket:
ClamAV 0.x
Operacijski sustavi:
Gentoo Linux
Kritičnost:
8.1
Problem:
korupcija memorije, pogreška u programskoj funkciji, pogreška u programskoj komponenti, preljev međuspremnika
Propusti su posljedica preljeva međuspremnika i pogrešaka u nekim datotekama ("pe_icons.c", "pdf.c", "decompress.c") i funkcijama ("icon_cb", "find_stream_bounds", "BZ2_decompress").
Posljedica:
Udaljeni napadač može ih iskoristiti za pokretanje proizvoljnog programskog koda i DoS napad.
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Gentoo Linux Security Advisory GLSA 201110-20
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http://security.gentoo.org/
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Severity: High
Title: Clam AntiVirus: Multiple vulnerabilities
Date: October 23, 2011
Bugs: #338226, #347627, #354019, #378815, #387521
ID: 201110-20
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Synopsis
========
Multiple vulnerabilities were found in Clam AntiVirus, the most severe
of which may allow the execution of arbitrary code.
Background
==========
Clam AntiVirus (short: ClamAV) is an anti-virus toolkit for UNIX,
designed especially for e-mail scanning on mail gateways.
Affected packages
=================
-------------------------------------------------------------------
Package / Vulnerable / Unaffected
-------------------------------------------------------------------
1 app-antivirus/clamav < 0.97.3 >= 0.97.3
Description
===========
Multiple vulnerabilities have been discovered in Clam AntiVirus. Please
review the CVE identifiers referenced below for details.
Impact
======
An unauthenticated remote attacker may execute arbitrary code with the
privileges of the Clam AntiVirus process or cause a Denial of Service
by causing an affected user or system to scan a crafted file.
Workaround
==========
There is no known workaround at this time.
Resolution
==========
All Clam AntiVirus users should upgrade to the latest version:
# emerge --sync
# emerge --ask --oneshot --verbose ">=app-antivirus/clamav-0.97.3"
NOTE: This is a legacy GLSA. Updates for all affected architectures are
available since August 27, 2011. It is likely that your system is
already no longer affected by this issue.
References
==========
[ 1 ] CVE-2010-0405
http://nvd.nist.gov/nvd.cfm?cvename=CVE-2010-0405
[ 2 ] CVE-2010-3434
http://nvd.nist.gov/nvd.cfm?cvename=CVE-2010-3434
[ 3 ] CVE-2010-4260
http://nvd.nist.gov/nvd.cfm?cvename=CVE-2010-4260
[ 4 ] CVE-2010-4261
http://nvd.nist.gov/nvd.cfm?cvename=CVE-2010-4261
[ 5 ] CVE-2010-4479
http://nvd.nist.gov/nvd.cfm?cvename=CVE-2010-4479
[ 6 ] CVE-2011-1003
http://nvd.nist.gov/nvd.cfm?cvename=CVE-2011-1003
[ 7 ] CVE-2011-2721
http://nvd.nist.gov/nvd.cfm?cvename=CVE-2011-2721
[ 8 ] CVE-2011-3627
http://nvd.nist.gov/nvd.cfm?cvename=CVE-2011-3627
Availability
============
This GLSA and any updates to it are available for viewing at
the Gentoo Security Website:
http://security.gentoo.org/glsa/glsa-201110-20.xml
Concerns?
=========
Security is a primary focus of Gentoo Linux and ensuring the
confidentiality and security of our users' machines is of utmost
importance to us. Any security concerns should be addressed to
Ova e-mail adresa je zaštićena od spambota. Potrebno je omogućiti JavaScript da je vidite. or alternatively, you may file a bug at
https://bugs.gentoo.org.
License
=======
Copyright 2011 Gentoo Foundation, Inc; referenced text
belongs to its owner(s).
The contents of this document are licensed under the
Creative Commons - Attribution / Share Alike license.
http://creativecommons.org/licenses/by-sa/2.5
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