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Red Hat Enterprise Linux: RHSA-2008:0214-01 Moderate Squid DoS

red hat
Calendar Grey April 8, 2008
Dist Redhat Esm H88
Alert for Red Hat users: Important squid package upgrade addressing potential temporary service disruptions.
Updated squid packages that fix a security issue are now available for Red Hat Enterprise Linux 2.1, 3, 4 and 5. This update has been rated as having moderate security impact by ...

Solution

Before applying this update, make sure that all previously-released errata relevant to your system have been applied.

This update is available via Red Hat Network. Details on how to use the Red Hat Network to apply this update are available at

Summary

Squid is a high-performance proxy caching server for Web clients, supporting FTP, gopher, and HTTP data objects.
A flaw was found in the way squid manipulated HTTP headers for cached objects stored in system memory. An attacker could use this flaw to cause a squid child process to exit. This interrupted existing connections and made proxy services unavailable. Note: the parent squid process started a new child process, so this attack only resulted in a temporary denial of service. (CVE-2008-1612)
Users of squid are advised to upgrade to these updated packages, which contain a backported patch to resolve this issue.

Topics%20covered

Topics Covered

security advisory moderate denial of service issue squid red hat enterprise

References

https://www.cve.org/CVERecord?id=CVE-2008-1612 https://access.redhat.com/security/updates/classification#moderate

Package List

Red Hat Enterprise Linux AS (Advanced Server) version 2.1 :
Source:
i386: squid-2.4.STABLE7-1.21as.12.i386.rpm
ia64: squid-2.4.STABLE7-1.21as.12.ia64.rpm
Red Hat Linux Advanced Workstation 2.1:
Source:
ia64: squid-2.4.STABLE7-1.21as.12.ia64.rpm
Red Hat Enterprise Linux ES version 2.1:
Source:
i386: squid-2.4.STABLE7-1.21as.12.i386.rpm
Red Hat Enterprise Linux AS version 3:
Source:
i386: squid-2.5.STABLE3-9.3E.i386.rpm squid-debuginfo-2.5.STABLE3-9.3E.i386.rpm
ia64: squid-2.5.STABLE3-9.3E.ia64.rpm squid-debuginfo-2.5.STABLE3-9.3E.ia64.rpm
ppc: squid-2.5.STABLE3-9.3E.ppc.rpm squid-debuginfo-2.5.STABLE3-9.3E.ppc.rpm
s390: squid-2.5.STABLE3-9.3E.s390.rpm squid-debuginfo-2.5.STABLE3-9.3E.s390.rpm
s390x: squid-2.5.STABLE3-9.3E.s390x.rpm squid-debuginfo-2.5.STABLE3-9.3E.s390x.rpm
x86_64: squid-2.5.STABLE3-9.3E.x86_64.rpm squid-debuginfo-2.5.STABLE3-9.3E.x86_64.rpm
Red Hat Desktop version 3:
Source:
i386: squid-2.5.STABLE3-9.3E.i386.rpm squid-debuginfo-2.5.STABLE3-9.3E.i386.rpm
x86_64: squid-2.5.STABLE3-9.3E.x86_64.rpm squid-debuginfo-2.5.STABLE3-9.3E.x86_64.rpm
Red Hat Enterprise Linux ES version 3:
Source:
i386: squid-2.5.STABLE3-9.3E.i386.rpm squid-debuginfo-2.5.STABLE3-9.3E.i386.rpm
ia64:

Read the Full Advisory


Advisory ID: RHSA-2008:0214-01
Product: Red Hat Enterprise Linux
Advisory URL: https://access.redhat.com/errata/RHSA-2008:0214.html
Issue date: 2008-04-08

Topic

Updated squid packages that fix a security issue are now available for Red Hat Enterprise Linux 2.1, 3, 4 and 5.

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

Topics%20covered

Topics Covered

security advisory moderate denial of service issue squid red hat enterprise

Relevant Releases Architectures

Red Hat Enterprise Linux AS (Advanced Server) version 2.1 - i386, ia64

Red Hat Linux Advanced Workstation 2.1 - ia64

Red Hat Enterprise Linux ES version 2.1 - i386

Red Hat Enterprise Linux AS version 3 - i386, ia64, ppc, s390, s390x, x86_64

Red Hat Desktop version 3 - i386, x86_64

Red Hat Enterprise Linux ES version 3 - i386, ia64, x86_64

Red Hat Enterprise Linux WS version 3 - i386, ia64, x86_64

Red Hat Enterprise Linux AS version 4 - i386, ia64, ppc, s390, s390x, x86_64

Red Hat Enterprise Linux Desktop version 4 - i386, x86_64

Red Hat Enterprise Linux ES version 4 - i386, ia64, x86_64

Red Hat Enterprise Linux WS version 4 - i386, ia64, x86_64

RHEL Desktop Workstation (v. 5 client) - i386, x86_64

Red Hat Enterprise Linux (v. 5 server) - i386, ia64, ppc, s390x, x86_64

Bugs Fixed

439801 - CVE-2008-1612 squid: regression in SQUID-2007:2 / CVE-2007-6239

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