RHSA-2010:0751 - Security Advisory

Topic

An updated xpdf package that fixes two security issues is now available for
Red Hat Enterprise Linux 4.

The Red Hat Security Response Team has rated this update as having
important security impact. Common Vulnerability Scoring System (CVSS) base
scores, which give detailed severity ratings, are available for each
vulnerability from the CVE links in the References section.

Description

Xpdf is an X Window System based viewer for Portable Document Format (PDF)
files.

An uninitialized pointer use flaw was discovered in Xpdf. An attacker could
create a malicious PDF file that, when opened, would cause Xpdf to crash
or, potentially, execute arbitrary code. (CVE-2010-3702)

An array index error was found in the way Xpdf parsed PostScript Type 1
fonts embedded in PDF documents. An attacker could create a malicious PDF
file that, when opened, would cause Xpdf to crash or, potentially, execute
arbitrary code. (CVE-2010-3704)

Users are advised to upgrade to this updated package, which contains
backported patches to correct these issues.

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
http://kbase.redhat.com/faq/docs/DOC-11259

Affected Products

• Red Hat Enterprise Linux Server 4 x86_64
• Red Hat Enterprise Linux Server 4 ia64
• Red Hat Enterprise Linux Server 4 i386
• Red Hat Enterprise Linux for x86_64 - Extended Update Support 4.8 x86_64
• Red Hat Enterprise Linux for x86_64 - Extended Update Support 4.8 ia64
• Red Hat Enterprise Linux for x86_64 - Extended Update Support 4.8 i386
• Red Hat Enterprise Linux Workstation 4 x86_64
• Red Hat Enterprise Linux Workstation 4 ia64
• Red Hat Enterprise Linux Workstation 4 i386
• Red Hat Enterprise Linux Desktop 4 x86_64
• Red Hat Enterprise Linux Desktop 4 i386
• Red Hat Enterprise Linux for IBM z Systems 4 s390x
• Red Hat Enterprise Linux for IBM z Systems 4 s390
• Red Hat Enterprise Linux for IBM z Systems - Extended Update Support 4.8 s390x
• Red Hat Enterprise Linux for IBM z Systems - Extended Update Support 4.8 s390
• Red Hat Enterprise Linux for Power, big endian 4 ppc
• Red Hat Enterprise Linux for Power, big endian - Extended Update Support 4.8 ppc

Fixes

• BZ - 595245 - CVE-2010-3702 xpdf: uninitialized Gfx::parser pointer dereference
• BZ - 638960 - CVE-2010-3704 xpdf: array indexing error in FoFiType1::parse()

CVEs

• CVE-2010-3702
• CVE-2010-3704

References

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