A buffer overflow vulnerability in Calligra could result in the execution of arbitrary code.

Announced

2012-09-25

Revised

2012-09-25

Access

remote

Bugs

#428890

Advisory

https://security.gentoo.org/glsa/201209-10

Affected packages

Package	Arch	Vulnerable	Unaffected
app-office/calligra	*	< 2.4.3-r1	>= 2.4.3-r1

Background

Calligra is an office suite by KDE.

Description

An error in the read() function in styles.cpp could cause a heap-based buffer overflow.

Impact

A remote attacker could entice a user to open a specially crafted ODF file, possibly resulting in execution of arbitrary code with the privileges of the process or a Denial of Service condition.

Workaround

There is no known workaround at this time.

Resolution

All Calligra users should upgrade to the latest version:

# emerge --sync
# emerge --ask --oneshot --verbose ">=app-office/calligra-2.4.3-r1"

References

• CVE-2012-3456