AbiWord: RTF import stack-based buffer overflow

1. Gentoo Linux Security Advisory

Advisory Reference	GLSA 200509-20 / AbiWord
Release Date	September 30, 2005
Latest Revision	September 30, 2005: 01
Impact	normal
Exploitable	remote

Package	Vulnerable versions	Unaffected versions	Architecture(s)
app-office/abiword	< 2.2.10	>= 2.2.10	All supported architectures

Related bugreports: #107351

Synopsis

AbiWord is vulnerable to a stack-based buffer overflow during RTF import, making it vulnerable to the execution of arbitrary code.

2. Impact Information

Background

AbiWord is a free and cross-platform word processing program. It allows to import RTF files into AbiWord documents.

Description

Chris Evans discovered that the RTF import function in AbiWord is vulnerable to a stack-based buffer overflow.

Impact

An attacker could design a malicious RTF file and entice the user to import it in AbiWord, potentially resulting in the execution of arbitrary code with the rights of the user running AbiWord.

3. Resolution Information

Workaround

There is no known workaround at this time.

Resolution

All AbiWord users should upgrade to the latest version:

Code Listing 3.1: Resolution

# emerge --sync
# emerge --ask --oneshot --verbose ">=app-office/abiword-2.2.10"

4. References

CAN-2005-2964

Updated September 30, 2005

Summary: This is a Gentoo Linux Security Advisory

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