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Security Advisory squid security update

Advisory: RHSA-2005:201-07
Type: Security Advisory
Severity: Moderate
Issued on: 2005-03-16
Last updated on: 2005-03-16
Affected Products: Red Hat Desktop (v. 4)
Red Hat Enterprise Linux AS (v. 4)
Red Hat Enterprise Linux ES (v. 4)
Red Hat Enterprise Linux WS (v. 4)
CVEs (cve.mitre.org): CVE-2005-0446

Details

An updated squid package that fixes a denial of service issue is now
available for Red Hat Enterprise Linux 4.

This update has been rated as having moderate security impact by the Red
Hat Security Response Team.

Squid is a full-featured Web proxy cache.

A bug was found in the way Squid handles fully qualified domain name (FQDN)
lookups. A malicious DNS server could crash Squid by sending a carefully
crafted DNS response to an FQDN lookup. The Common Vulnerabilities and
Exposures project (cve.mitre.org) has assigned the name CAN-2005-0446 to
this issue.

This erratum also includes two minor patches to the LDAP helpers. One
corrects a slight malformation in ldap search requests (although all
known LDAP servers accept the requests). The other adds documentation
for the -v option to the ldap helpers.

Users of Squid should upgrade to this updated package, which contains a
backported patch, and is not vulnerable to this issue.


Solution

Before applying this update, make sure that all previously-released
errata relevant to your system have been applied. Use Red Hat
Network to download and update your packages. To launch the Red Hat
Update Agent, use the following command:

up2date

For information on how to install packages manually, refer to the
following Web page for the System Administration or Customization
guide specific to your system:

http://www.redhat.com/docs/manuals/enterprise/

Updated packages

Red Hat Desktop (v. 4)

IA-32:
squid-2.5.STABLE6-3.4E.5.i386.rpm
File outdated by:  RHBA-2008:0230
    MD5: c67133061261fcf5c3cac5345c7222fa
 
x86_64:
squid-2.5.STABLE6-3.4E.5.x86_64.rpm
File outdated by:  RHBA-2008:0230
    MD5: 644f7b720340cfc60f5f62fddc595560
 
Red Hat Enterprise Linux AS (v. 4)

IA-32:
squid-2.5.STABLE6-3.4E.5.i386.rpm
File outdated by:  RHBA-2008:0230
    MD5: c67133061261fcf5c3cac5345c7222fa
 
IA-64:
squid-2.5.STABLE6-3.4E.5.ia64.rpm
File outdated by:  RHBA-2008:0230
    MD5: 99d6fd73bb7d277fc679cc00d9b19e7d
 
PPC:
squid-2.5.STABLE6-3.4E.5.ppc.rpm
File outdated by:  RHBA-2008:0230
    MD5: 4c144b5a2171d36b1e6b5992f4912775
 
s390:
squid-2.5.STABLE6-3.4E.5.s390.rpm
File outdated by:  RHBA-2008:0230
    MD5: 22e53afff8b89dda33a0e208f2eb38cf
 
s390x:
squid-2.5.STABLE6-3.4E.5.s390x.rpm
File outdated by:  RHBA-2008:0230
    MD5: 00f6e8d80524790bc43ad89bf080cf86
 
x86_64:
squid-2.5.STABLE6-3.4E.5.x86_64.rpm
File outdated by:  RHBA-2008:0230
    MD5: 644f7b720340cfc60f5f62fddc595560
 
Red Hat Enterprise Linux ES (v. 4)

IA-32:
squid-2.5.STABLE6-3.4E.5.i386.rpm
File outdated by:  RHBA-2008:0230
    MD5: c67133061261fcf5c3cac5345c7222fa
 
IA-64:
squid-2.5.STABLE6-3.4E.5.ia64.rpm
File outdated by:  RHBA-2008:0230
    MD5: 99d6fd73bb7d277fc679cc00d9b19e7d
 
x86_64:
squid-2.5.STABLE6-3.4E.5.x86_64.rpm
File outdated by:  RHBA-2008:0230
    MD5: 644f7b720340cfc60f5f62fddc595560
 
Red Hat Enterprise Linux WS (v. 4)

IA-32:
squid-2.5.STABLE6-3.4E.5.i386.rpm
File outdated by:  RHBA-2008:0230
    MD5: c67133061261fcf5c3cac5345c7222fa
 
IA-64:
squid-2.5.STABLE6-3.4E.5.ia64.rpm
File outdated by:  RHBA-2008:0230
    MD5: 99d6fd73bb7d277fc679cc00d9b19e7d
 
x86_64:
squid-2.5.STABLE6-3.4E.5.x86_64.rpm
File outdated by:  RHBA-2008:0230
    MD5: 644f7b720340cfc60f5f62fddc595560
 
(The unlinked packages above are only available from the Red Hat Network)

Bugs fixed (see bugzilla for more information)

148882 - CAN-2005-0446 Squid DoS from bad DNS response


References



These packages are GPG signed by Red Hat for security. Our key and details on how to verify the signature are available from:
https://www.redhat.com/security/team/key/#package

The Red Hat security contact is secalert@redhat.com. More contact details at http://www.redhat.com/security/team/contact/