A buffer overflow in Snack could result in execution of arbitrary code or Denial of Service.

Announced

2013-09-11

Revised

2013-09-11

Access

remote

Bugs

#446822

Advisory

https://security.gentoo.org/glsa/201309-04

Affected packages

Package	Arch	Vulnerable	Unaffected
dev-tcltk/snack	*	< 2.2.10-r5	>= 2.2.10-r5

Background

Snack is a sound toolkit for creating multi-platform audio applications with scripting languages.

Description

The GetWavHeader() function in jkSoundFile.c does not have boundary checks when parsing format sub-chunks or unknown sub-chunks.

Impact

A remote attacker could entice a user to open a specially crafted WAV file with an application using Snack, possibly resulting in execution of arbitrary code or a Denial of Service condition.

Workaround

There is no known workaround at this time.

Resolution

All Snack users should upgrade to the latest version:

# emerge --sync
# emerge --ask --oneshot --verbose ">=dev-tcltk/snack-2.2.10-r5"

References

• CVE-2012-6303