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TITLE:
syslog-ng Timestamps Denial of Service Vulnerability

SECUNIA ADVISORY ID:
SA28118

VERIFY ADVISORY:
http://secunia.com/advisories/28118/

CRITICAL:
Less critical

IMPACT:
DoS

WHERE:
>From local network

SOFTWARE:
syslog-ng 1.x
http://secunia.com/product/468/
syslog-ng 2.x
http://secunia.com/product/16982/
syslog-ng Premium Edition 2.x
http://secunia.com/product/16983/

DESCRIPTION:
A vulnerability has been reported in syslog-ng, which can be
exploited by malicious people to cause a DoS (Denial of Service).

The vulnerability is caused due to the improper processing of
incoming timestamps. This can be exploited to trigger a NULL pointer
dereference via a specially crafted message containing a timestamp
without a terminating space character.

The vulnerability is reported in syslog-ng versions prior to 2.0.6
and syslog-ng Premium Edition versions prior to 2.1.8.

SOLUTION:
Update to syslog-ng 2.0.6 or syslog-ng Premium Edition 2.1.8.

syslog-ng:
http://www.balabit.com/downloads/files/syslog-ng/sources/2.0/src/

syslog-ng Premium Edition:
http://www.balabit.com/downloads/files/syslog-ng/binaries/premium-edition/

PROVIDED AND/OR DISCOVERED BY:
The vendor credits Oriol Carreras.

ORIGINAL ADVISORY:
http://seclists.org/bugtraq/2007/Dec/0202.html

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About:
This Advisory was delivered by Secunia as a free service to help
everybody keeping their systems up to date against the latest
vulnerabilities.

Subscribe:
http://secunia.com/secunia_security_advisories/

Definitions: (Criticality, Where etc.)
http://secunia.com/about_secunia_advisories/


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Secunia recommends that you verify all advisories you receive by
clicking the link.
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use those supplied by the vendor.

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