KOffice, KWord: RTF import buffer overflow

1. Gentoo Linux Security Advisory

Advisory Reference	GLSA 200510-12 / koffice, kword
Release Date	October 14, 2005
Latest Revision	October 14, 2005: 01
Impact	normal
Exploitable	remote

Package	Vulnerable versions	Unaffected versions	Architecture(s)
app-office/koffice	< 1.4.1-r1	>= 1.4.1-r1	All supported architectures
app-office/kword	< 1.4.1-r1	>= 1.4.1-r1	All supported architectures

Related bugreports: #108411

Synopsis

KOffice and KWord are vulnerable to a buffer overflow in the RTF importer, potentially resulting in the execution of arbitrary code.

2. Impact Information

Background

KOffice is an integrated office suite for KDE. KWord is the KOffice word processor.

Description

Chris Evans discovered that the KWord RTF importer was vulnerable to a heap-based buffer overflow.

Impact

An attacker could entice a user to open a specially-crafted RTF file, potentially resulting in the execution of arbitrary code with the rights of the user running the affected application.

3. Resolution Information

Workaround

There is no known workaround at this time.

Resolution

All KOffice users should upgrade to the latest version:

Code Listing 3.1: Resolution

# emerge --sync
# emerge --ask --oneshot --verbose ">=app-office/koffice-1.4.1-r1"

All KWord users should upgrade to the latest version:

Code Listing 3.2: Resolution

# emerge --sync
# emerge --ask --oneshot --verbose ">=app-office/kword-1.4.1-r1"

4. References

Updated October 14, 2005

Summary: This is a Gentoo Linux Security Advisory

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