RSyslog 'parseLegacySyslogMsg()' Function Buffer Overflow Vulnerability

BID:49413

Info

RSyslog 'parseLegacySyslogMsg()' Function Buffer Overflow Vulnerability

Bugtraq ID: 49413
Class: Boundary Condition Error
CVE: CVE-2011-3200
Remote: Yes
Local: No
Published: Sep 01 2011 12:00AM
Updated: Apr 13 2015 10:13PM
Credit: Reported in a Red Hat security advisory
Vulnerable: Ubuntu Ubuntu Linux 11.04 powerpc
Ubuntu Ubuntu Linux 11.04 i386
Ubuntu Ubuntu Linux 11.04 ARM
Ubuntu Ubuntu Linux 11.04 amd64
RSyslog RSyslog 4.1.1
RSyslog RSyslog 4.1
RSyslog RSyslog 3.21.9
RSyslog RSyslog 3.20.2
RSyslog RSyslog 3.20.1
RSyslog RSyslog 3.20
RSyslog RSyslog 3.12.1
Redhat Enterprise Linux Workstation 6
Redhat Enterprise Linux Web Server 6
Redhat Enterprise Linux HPC Node Optional 6
Redhat Enterprise Linux HPC Node 6
Redhat Enterprise Linux Desktop Optional 6
Redhat Enterprise Linux Desktop 6
Mandriva Linux Mandrake 2011 x86_64
Mandriva Linux Mandrake 2011
Mandriva Linux Mandrake 2010.1 x86_64
Mandriva Linux Mandrake 2010.1
Not Vulnerable:

Discussion

RSyslog 'parseLegacySyslogMsg()' Function Buffer Overflow Vulnerability

RSyslog is prone to a buffer-overflow vulnerability because the application fails to perform adequate boundary-checks on user-supplied data.

An attacker can exploit this issue to execute arbitrary code within the context of the affected application. Failed exploit attempts will result in a denial-of-service condition.

Exploit / POC

RSyslog 'parseLegacySyslogMsg()' Function Buffer Overflow Vulnerability

Currently, we are not aware of any working exploits. If you feel we are in error or if you are aware of more recent information, please mail us at: [email protected].

Solution / Fix

RSyslog 'parseLegacySyslogMsg()' Function Buffer Overflow Vulnerability

Solution:
Updates are available. Please see the references for more information.


Mandriva Linux Mandrake 2010.1

Mandriva Linux Mandrake 2011 x86_64

Mandriva Linux Mandrake 2011

Mandriva Linux Mandrake 2010.1 x86_64

References

RSyslog 'parseLegacySyslogMsg()' Function Buffer Overflow Vulnerability

References:

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