RHBA-2007:0418 - Bug Fix Advisory

Topic

Updated unzip packages that address various bugs are now available.

Description

The unzip utility is used to list, test, or extract files from a zip
archive.

This update addresses the following issues:

• a TOCTOU bug that could be exploited to change file permissions (CVE-2005-2475)
• a long filename buffer overflow vulnerability (CVE-2005-4667)

All users of unzip should upgrade to these updated packages, which
resolve these issues.

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 - 186570 - CVE-2005-4667 unzip long filename buffer overflow
• BZ - 226749 - CVE-2005-2475 TOCTOU issue in unzip

CVEs

• CVE-2005-2475
• CVE-2005-4667

References

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