RHSA-2005:059 - Security Advisory

Topic

Updated Xpdf package that fixes a stack based buffer overflow security issue
is now available.

Description

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

A buffer overflow flaw was found when processing the /Encrypt /Length tag.
An attacker could construct a carefully crafted PDF file that could cause
Xpdf to crash or possibly execute arbitrary code when opened. The Common
Vulnerabilities and Exposures project (cve.mitre.org) has assigned the name
CAN-2005-0064 to this issue.

Red Hat believes that the Exec-Shield technology (enabled by default since
Update 3) will block attempts to exploit this vulnerability on x86
architectures.

All users of the Xpdf package should upgrade to this updated package,
which resolves 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/

Affected Products

• Red Hat Enterprise Linux Server 3 x86_64
• Red Hat Enterprise Linux Server 3 ia64
• Red Hat Enterprise Linux Server 3 i386
• Red Hat Enterprise Linux Workstation 3 x86_64
• Red Hat Enterprise Linux Workstation 3 ia64
• Red Hat Enterprise Linux Workstation 3 i386
• Red Hat Enterprise Linux Desktop 3 x86_64
• Red Hat Enterprise Linux Desktop 3 i386
• Red Hat Enterprise Linux for IBM z Systems 3 s390x
• Red Hat Enterprise Linux for IBM z Systems 3 s390
• Red Hat Enterprise Linux for Power, big endian 3 ppc

Fixes

• BZ - 145049 - CAN-2005-0064 xpdf buffer overflow

CVEs

• CVE-2005-0064

References

• http://www.idefense.com/application/poi/display?id=186&type=vulnerabilities