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Trustix Secure Linux Security Advisory #2005-0021
Package name: squid
Summary: ACL bypass
Date: 2005-05-10
Affected versions: Trustix Secure Linux 2.1
Trustix Secure Linux 2.2
Trustix Operating System - Enterprise Server 2
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Package description:
Squid is a high-performance proxy caching server for Web clients,
supporting FTP, gopher, and HTTP data objects. Unlike traditional
caching software, Squid handles all requests in a single,
non-blocking, I/O-driven process. Squid keeps meta data and especially
hot objects cached in RAM, caches DNS lookups, supports non-blocking
DNS lookups, and implements negative caching of failed requests.
Problem description:
Squid 2.5.STABLE9 and earlier does not trigger a fatal error when it
identifies missing or invalid ACLs in the http_access configuration,
which could lead to less restrictive ACLs than intended by the
administrator.
The Common Vulnerabilities and Exposures project (cve.mitre.org) has
assigned the name CAN-2005-1345 to this issue.
Action:
We recommend that all systems with this package installed be upgraded.
Please note that if you do not need the functionality provided by this
package, you may want to remove it from your system.
Location:
All Trustix Secure Linux updates are available from
<URI:http://http.trustix.org/pub/trustix/updates/>
<URI:ftp://ftp.trustix.org/pub/trustix/updates/>
About Trustix Secure Linux:
Trustix Secure Linux is a small Linux distribution for servers. With focus
on security and stability, the system is painlessly kept safe and up to
date from day one using swup, the automated software updater.
Automatic updates:
Users of the SWUP tool can enjoy having updates automatically
installed using 'swup --upgrade'.
Questions?
Check out our mailing lists:
<URI:http://www.trustix.org/support/>
Verification:
This advisory along with all Trustix packages are signed with the
TSL sign key.
This key is available from:
<URI:http://www.trustix.org/TSL-SIGN-KEY>
The advisory itself is available from the errata pages at
<URI:http://www.trustix.org/errata/trustix-2.1/> and
<URI:http://www.trustix.org/errata/trustix-2.2/>
or directly at
<URI:http://www.trustix.org/errata/2005/0021/>
MD5sums of the packages:
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e6d0c594be0a5394aff4ecae415d87f4 2.2/rpms/squid-2.5.STABLE9-5tr.i586.rpm
70ac69e23c26b3f0cc86b2dade9ba3be 2.1/rpms/squid-2.5.STABLE9-1tr.i586.rpm
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Trustix Security Team
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