GLSA-200612-05 : KOffice shared libraries: Heap corruption

This script is Copyright (C) 2006-2015 Tenable Network Security, Inc.

Synopsis :

The remote Gentoo host is missing one or more security-related

Description :

The remote host is affected by the vulnerability described in GLSA-200612-05
(KOffice shared libraries: Heap corruption)

Kees Cook of Ubuntu discovered that 'KLaola::readBigBlockDepot()' in fills 'num_of_bbd_blocks' while reading a .ppt (PowerPoint)
file without proper sanitizing, resulting in an integer overflow
subsequently overwriting the heap with parts of the file being read.

Impact :

By enticing a user to open a specially crafted PowerPoint file, an
attacker could crash the application and possibly execute arbitrary
code with the rights of the user running KOffice.

Workaround :

There is no known workaround at this time.

See also :

Solution :

All koffice-libs users should upgrade to the latest version:
# emerge --sync
# emerge --ask --oneshot --verbose '>=app-office/koffice-libs-1.5.0'

Risk factor :

Medium / CVSS Base Score : 6.8

Family: Gentoo Local Security Checks

Nessus Plugin ID: 23857 (gentoo_GLSA-200612-05.nasl)

Bugtraq ID:

CVE ID: CVE-2006-6120

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