KOffice readBigBlockDepot() method PPT integer overflow

koffice-readbigblockdepot-overflow (30624) The risk level is classified as HighHigh Risk

Description:

KOffice is vulnerable to an integer overflow in the KLaola::readBigBlockDepot() method in filters/olefilters/lib/klaola.cc. A remote attacker could exploit this vulnerability to execute arbitrary code on the victim's system or cause the application to crash, if the attacker could persuade a victim to open a specially-crafted PPT file.

*CVSS:

Base Score: 7
  Access Vector: Remote
  Access Complexity: Low
  Authentication: Not Required
  Confidentiality Impact: Partial
  Integrity Impact: Partial
  Availability Impact: Partial
 
Temporal Score: 5.2
  Exploitability: Unproven
  Remediation Level: Official-Fix
  Report Confidence: Confirmed

Consequences:

Gain Access

Remedy:

Upgrade to the latest version of KOffice (version 1.6.1 or later), available from the KOffice Project Web site. See References.

For Ubuntu Linux:
Refer to USN-388-1 for patch, upgrade, or suggested workaround information. See References.

For Mandriva Linux:
Refer to Mandriva Advisory MDKSA-2006:222 for patch, upgrade, or suggested workaround information. See References.

For Gentoo Linux:
Refer to Gentoo Linux Security Announcement GLSA 200612-05 for patch, upgrade, or suggested workaround information. See References.

For Red Hat Linux (koffice):
Refer to RHSA-2007:0010 for patch, upgrade, or suggested workaround information. See References.

For other distributions:
Contact your vendor for patch or upgrade information.

References:

Platforms Affected:

  • Canonical Ubuntu 5.10
  • Gentoo Linux
  • KDE KOffice prior to 1.6.1
  • MandrakeSoft Mandrake Linux 2007
  • MandrakeSoft Mandrake Linux 2007 X86_64
  • RedHat Enterprise Linux 2.1 AS
  • RedHat Enterprise Linux 2.1 ES
  • RedHat Enterprise Linux 2.1 WS
  • RedHat Linux Advanced Workstation 2.1 Itanium

Reported:

Nov 29, 2006

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The information within this database may change without notice. Use of this information constitutes acceptance for use in an AS IS condition. There are NO warranties, implied or otherwise, with regard to this information or its use. Any use of this information is at the user's risk. In no event shall IBM be held liable for any damages whatsoever arising out of or in connection with the use or spread of this information.

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