Neki od propusta su otkriveni u funkciji "strListGetItem()" u datoteci "src/HttpHeaderTools.c" koja nepravilno obrađuje autentikacijska zaglavlja, funkciji "htcpHandleTstRequest" gdje dolazi do greške pri obradi HTCP poruka te funkciji "gopherToHTML" u datoteci "gopher.cc" gdje je otkriven preljev međuspremnika.
Posljedica:
Svi propusti se mogu iskoristiti udaljeno kako bi se izveo DoS napad. Za napad je potrebno poslati posebno oblikovan HTTP, DNS ili paket.
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Gentoo Linux Security Advisory GLSA 201110-24
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http://security.gentoo.org/
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Severity: High
Title: Squid: Multiple vulnerabilities
Date: October 26, 2011
Bugs: #279379, #279380, #301828, #334263, #381065, #386215
ID: 201110-24
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Synopsis
========
Multiple vulnerabilities were found in Squid allowing attackers to
execute arbitrary code or cause a Denial of Service.
Background
==========
Squid is a full-featured web proxy cache.
Affected packages
=================
-------------------------------------------------------------------
Package / Vulnerable / Unaffected
-------------------------------------------------------------------
1 net-proxy/squid < 3.1.15 >= 3.1.15
Description
===========
Multiple vulnerabilities have been discovered in Squid. Please review
the CVE identifiers referenced below for details.
Impact
======
Remote unauthenticated attackers may be able to execute arbitrary code
with the privileges of the Squid process or cause a Denial of Service.
Workaround
==========
There is no known workaround at this time.
Resolution
==========
All squid users should upgrade to the latest version:
# emerge --sync
# emerge --ask --oneshot --verbose ">=net-proxy/squid-3.1.15"
NOTE: This is a legacy GLSA. Updates for all affected architectures are
available since September 4, 2011. It is likely that your system is
already no longer affected by this issue.
References
==========
[ 1 ] CVE-2009-2621
http://nvd.nist.gov/nvd.cfm?cvename=CVE-2009-2621
[ 2 ] CVE-2009-2622
http://nvd.nist.gov/nvd.cfm?cvename=CVE-2009-2622
[ 3 ] CVE-2009-2855
http://nvd.nist.gov/nvd.cfm?cvename=CVE-2009-2855
[ 4 ] CVE-2010-0308
http://nvd.nist.gov/nvd.cfm?cvename=CVE-2010-0308
[ 5 ] CVE-2010-0639
http://nvd.nist.gov/nvd.cfm?cvename=CVE-2010-0639
[ 6 ] CVE-2010-2951
http://nvd.nist.gov/nvd.cfm?cvename=CVE-2010-2951
[ 7 ] CVE-2010-3072
http://nvd.nist.gov/nvd.cfm?cvename=CVE-2010-3072
[ 8 ] CVE-2011-3205
http://nvd.nist.gov/nvd.cfm?cvename=CVE-2011-3205
Availability
============
This GLSA and any updates to it are available for viewing at
the Gentoo Security Website:
http://security.gentoo.org/glsa/glsa-201110-24.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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