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wv2: Integer overflow


1.  Gentoo Linux Security Advisory

Version Information

Advisory Reference GLSA 200606-24 / wv2
Release Date June 23, 2006
Latest Revision June 23, 2006: 01
Impact normal
Exploitable remote
Package Vulnerable versions Unaffected versions Architecture(s)
app-text/wv2 < 0.2.3 >= 0.2.3 All supported architectures

Related bugreports: #136759


An integer overflow could allow an attacker to execute arbitrary code.

2.  Impact Information


wv2 is a filter library for Microsoft Word files, used in many Office suites.


A boundary checking error was found in wv2, which could lead to an integer overflow.


An attacker could execute arbitrary code with the rights of the user running the program that uses the library via a maliciously crafted Microsoft Word document.

3.  Resolution Information


There is no known workaround at this time.


All wv2 users should update to the latest stable version:

Code Listing 3.1: Resolution

# emerge --sync
# emerge --ask --oneshot --verbose ">=app-text/wv2-0.2.3"

4.  References


Page updated June 23, 2006

Summary: This is a Gentoo Linux Security Advisory

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