RHSA-2008:0517 - Security Advisory

Topic

Updated evolution packages that address a buffer overflow vulnerability are
now available for Red Hat Enterprise Linux 4.5 Extended Update Support.

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

Description

Evolution is the integrated collection of e-mail, calendaring, contact
management, communications and personal information management (PIM) tools
for the GNOME desktop environment.

A flaw was found in the way Evolution parsed iCalendar timezone attachment
data. If mail which included a carefully crafted iCalendar attachment was
opened, arbitrary code could be executed as the user running Evolution.
(CVE-2008-1108)

Red Hat would like to thank Alin Rad Pop of Secunia Research for
responsibly disclosing this issue.

All users of Evolution should upgrade to these updated packages, which
contains a backported patch which resolves this issue.

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
http://kbase.redhat.com/faq/FAQ_58_10188

Affected Products

• Red Hat Enterprise Linux for x86_64 - Extended Update Support 4.5 x86_64
• Red Hat Enterprise Linux for x86_64 - Extended Update Support 4.5 ia64
• Red Hat Enterprise Linux for x86_64 - Extended Update Support 4.5 i386
• Red Hat Enterprise Linux for IBM z Systems - Extended Update Support 4.5 s390x
• Red Hat Enterprise Linux for IBM z Systems - Extended Update Support 4.5 s390
• Red Hat Enterprise Linux for Power, big endian - Extended Update Support 4.5 ppc

Fixes

• BZ - 448540 - CVE-2008-1108 evolution: iCalendar buffer overflow via large timezone specification

CVEs

• CVE-2008-1108

References

• http://www.redhat.com/security/updates/classification/#critical