PCAL Calendar File getline Buffer Overflow Vulnerability

BID:12035

Info

PCAL Calendar File getline Buffer Overflow Vulnerability

Bugtraq ID: 12035
Class: Boundary Condition Error
CVE: CVE-2004-1289
Remote: Yes
Local: No
Published: Dec 15 2004 12:00AM
Updated: Jul 12 2009 09:26AM
Credit: Discovery is credited to Danny Lungstrom.
Vulnerable: PCAL PCAL 4.7.1
PCAL PCAL 4.7 .0
+ Debian Linux 3.0 sparc
 + Debian Linux 3.0 s/390
 + Debian Linux 3.0 ppc
 + Debian Linux 3.0 mipsel
 + Debian Linux 3.0 mips
 + Debian Linux 3.0 m68k
 + Debian Linux 3.0 ia-64
 + Debian Linux 3.0 ia-32
 + Debian Linux 3.0 hppa
 + Debian Linux 3.0 arm
 + Debian Linux 3.0 alpha
 + Debian Linux 3.0
PCAL PCAL 4.6 .0
PCAL PCAL 4.5 .0
PCAL PCAL 4.3 .0
PCAL PCAL 4.1 .0
Not Vulnerable: PCAL PCAL 4.8 .0

Discussion

PCAL Calendar File getline Buffer Overflow Vulnerability

PCAL is prone to a buffer overflow vulnerability. This issue is exposed when the application handles a calendar file that contains excessively long lines. Since calendar files may originate from an external or untrusted source, this vulnerability is considered to be remote in nature.

Successful exploitation of this issue will result in execution of arbitrary code as the user of the application.

Exploit / POC

PCAL Calendar File getline Buffer Overflow Vulnerability

The following exploit example has been published:

Solution / Fix

PCAL Calendar File getline Buffer Overflow Vulnerability

Solution:
Debian has released advisory DSA 625-1 to address this issue. Please see the attached advisory for further information on obtaining and applying fixes.

The vendor has addressed this vulnerability in PCAL 4.8.0.


PCAL PCAL 4.1 .0

PCAL PCAL 4.3 .0

PCAL PCAL 4.5 .0

PCAL PCAL 4.6 .0

PCAL PCAL 4.7 .0

PCAL PCAL 4.7.1

References

PCAL Calendar File getline Buffer Overflow Vulnerability

References:

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