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Test ID:
Category:Red Hat Local Security Checks
Title:RedHat Security Advisory RHSA-2006:0052

The remote host is missing updates announced in
advisory RHSA-2006:0052.

Squid is a high-performance proxy caching server for Web clients,
supporting FTP, gopher, and HTTP data objects.

A denial of service flaw was found in the way squid processes certain NTLM
authentication requests. It is possible for a remote attacker to crash the
Squid server by sending a specially crafted NTLM authentication request.
The Common Vulnerabilities and Exposures project ( assigned
the name CVE-2005-2917 to this issue.

The following issues have also been fixed in this update:

* An error introduced in squid-2.5.STABLE6-3.4E.12 can crash Squid when a
user visits a site that has a bit longer DNS record.

* An error introduced in the old package prevented Squid from returning
correct information about large file systems. The new package is compiled
with the IDENT lookup support so that users who want to use it do not
have to recompile it.

* Some authentication helpers needed SETUID rights but did not have them.
If administrators wanted to use cache administrator, they had to change
the SETUID bit manually. The updated package sets this bit so the new
package can be updated without manual intervention from administrators.

* Squid could not handle a reply from an HTTP server when the reply began
with the new-line character.

* An issue was discovered when a reply from an HTTP server was not
HTTP 1.0 or 1.1 compliant.

* The updated package keeps user-defined error pages when the package
is updated and it adds new ones.

All users of squid should upgrade to this updated package, which resolves
these issues.

Please note that this update is available via
Red Hat Network. To use Red Hat Network, launch the Red
Hat Update Agent with the following command: up2date

Risk factor : Medium

CVSS Score:

Cross-Ref: BugTraq ID: 14977
Common Vulnerability Exposure (CVE) ID: CVE-2005-2917
Debian Security Information: DSA-828 (Google Search)
SCO Security Bulletin: SCOSA-2005.49
SGI Security Advisory: 20060401-01-U
SuSE Security Announcement: SUSE-SR:2005:027 (Google Search)
XForce ISS Database: squid-ntlm-authentication-dos(24282)
CopyrightCopyright (c) 2006 E-Soft Inc.

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