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[ GLSA 200712-19 ] Syslog-ng: Denial of Service
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GLSA
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PostPosted: Sat Dec 29, 2007 5:26 pm    Post subject: [ GLSA 200712-19 ] Syslog-ng: Denial of Service Reply with quote

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:
Code:
# emerge --sync
# emerge --ask --oneshot --verbose ">=app-admin/syslog-ng-2.0.6"


References

CVE-2007-6437
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