Vilistextum: Buffer overflow vulnerability

1.  Gentoo Linux Security Advisory

Version Information

Related bugreports: #74694

Synopsis

Vilistextum is vulnerable to a buffer overflow that allows an attacker to execute arbitrary code through the use of a malicious webpage.

2.  Impact Information

Background

Vilistextum is an HTML to text converter.

Description

Ariel Berkman discovered that Vilistextum unsafely reads data into an array without checking the length. This code vulnerability may lead to a buffer overflow.

Impact

A remote attacker could craft a malicious webpage which, when converted, would result in the execution of arbitrary code with the rights of the user running Vilistextum.

3.  Resolution Information

Workaround

There is no known workaround at this time.

Resolution

All Vilistextum users should upgrade to the latest version:

# emerge --sync
# emerge --ask --oneshot --verbose ">=app-text/vilistextum-2.6.7"

4.  References

• Original Advisory
• CAN-2004-1299