[ GLSA 200712-19 ] Syslog-ng: Denial of Service

[GLSA]

Gentoo Linux Security Advisory

Title: Syslog-ng: Denial of Service (GLSA 200712-19)
Severity: normal
Exploitable: remote
Date: December 29, 2007
Bug(s): #202718
ID: 200712-19

Synopsis


A Denial of Service vulnerability has been discovered in Syslog-ng.


Background


Syslog-ng is a flexible and scalable system logger.


Affected Packages

Package: app-admin/syslog-ng
Vulnerable: < 2.0.6
Unaffected: >= 2.0.6
Architectures: All supported architectures


Description


Oriol Carreras reported a NULL pointer dereference in the
log_msg_parse() function when processing timestamps without a
terminating whitespace character.


Impact


A remote attacker could send a specially crafted event to a vulnerable
Syslog-ng server, resulting in a crash.


Workaround


There is no known workaround at this time.


Resolution


All Syslog-ng users should upgrade to the latest version: