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Red Hat Enterprise Linux Moderate: RHSA-2011:1196-01 Remote Code Execution

red hat
Calendar Grey August 23, 2011
Scroller Redhat Esm H88
Recent updates to the system-config-printer packages resolve a significant security vulnerability in Red Hat Enterprise Linux versions 4 and 5.
Updated system-config-printer packages that fix one security issue are now available for Red Hat Enterprise Linux 4 and 5

Solution

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

This update is available via the Red Hat Network. Details on how to use the Red Hat Network to apply this update are available at https://access.redhat.com/kb/docs/DOC-11259

Summary

system-config-printer is a print queue configuration tool with a graphical user interface.
It was found that system-config-printer did not properly sanitize NetBIOS and workgroup names when searching for network printers. A remote attacker could use this flaw to execute arbitrary code with the privileges of the user running system-config-printer. (CVE-2011-2899)
All users of system-config-printer are advised to upgrade to these updated packages, which contain a backported patch to resolve this issue. Running instances of system-config-printer must be restarted for this update to take effect.

Topics%20covered

Topics Covered

security advisory moderate security update remote code execution Red Hat Enterprise Linux system-config-printer network printer issue

References

https://access.redhat.com/security/cve/CVE-2011-2899 https://access.redhat.com/security/updates/classification/#moderate

Package List

Red Hat Enterprise Linux AS version 4:
Source:
i386: system-config-printer-0.6.116.10-1.6.el4.i386.rpm system-config-printer-debuginfo-0.6.116.10-1.6.el4.i386.rpm system-config-printer-gui-0.6.116.10-1.6.el4.i386.rpm
ia64: system-config-printer-0.6.116.10-1.6.el4.ia64.rpm system-config-printer-debuginfo-0.6.116.10-1.6.el4.ia64.rpm system-config-printer-gui-0.6.116.10-1.6.el4.ia64.rpm
ppc: system-config-printer-0.6.116.10-1.6.el4.ppc.rpm system-config-printer-debuginfo-0.6.116.10-1.6.el4.ppc.rpm system-config-printer-gui-0.6.116.10-1.6.el4.ppc.rpm
s390: system-config-printer-0.6.116.10-1.6.el4.s390.rpm system-config-printer-debuginfo-0.6.116.10-1.6.el4.s390.rpm system-config-printer-gui-0.6.116.10-1.6.el4.s390.rpm
s390x: system-config-printer-0.6.116.10-1.6.el4.s390x.rpm system-config-printer-debuginfo-0.6.116.10-1.6.el4.s390x.rpm system-config-printer-gui-0.6.116.10-1.6.el4.s390x.rpm
x86_64: system-config-printer-0.6.116.10-1.6.el4.x86_64.rpm system-config-printer-debuginfo-0.6.116.10-1.6.el4.x86_64.rpm system-config-printer-gui-0.6.116.10-1.6.el4.x86_64.rpm
Red Hat Enterprise Linux Desktop version 4:
Source:
i386: system-config-printer-0.6.116.10-1.6.el4.i386.rpm system-config-printer-debuginfo-0.6.116.10-1.6.el4.i386.rpm

Read the Full Advisory


Advisory ID: RHSA-2011:1196-01
Product: Red Hat Enterprise Linux
Advisory URL: https://access.redhat.com/errata/RHSA-2011:1196.html
Issue date: 2011-08-23

Topic

Updated system-config-printer packages that fix one security issue are nowavailable for Red Hat Enterprise Linux 4 and 5.The Red Hat Security Response Team has rated this update as having moderatesecurity impact. A Common Vulnerability Scoring System (CVSS) base score,which gives a detailed severity rating, is available from the CVE link inthe References section.

Topics%20covered

Topics Covered

security advisory moderate security update remote code execution Red Hat Enterprise Linux system-config-printer network printer issue

Relevant Releases Architectures

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

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

Red Hat Enterprise Linux Desktop (v. 5 client) - i386, 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

Bugs Fixed

728348 - CVE-2011-2899 system-config-printer: possible arbitrary code execution in pysmb.py due to improper escaping of hostnames

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