AbiWord: RTF import stack-based buffer overflow

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.

Workaround

There is no known workaround at this time.

Resolution

All AbiWord users should upgrade to the latest version:

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