[ GLSA 200608-18 ] Net::Server: Format string vulnerability

[GLSA]

Gentoo Linux Security Advisory

Title: Net::Server: Format string vulnerability (GLSA 200608-18)
Severity: normal
Exploitable: remote
Date: August 10, 2006
Bug(s): #142386
ID: 200608-18

Synopsis

A format string vulnerability has been reported in Net::Server which can be exploited to cause a Denial of Service.

Background

Net::Server is an extensible, generic Perl server engine. It is used by several Perl applications like Postgrey.

Affected Packages

Package: dev-perl/net-server
Vulnerable: < 0.88
Unaffected: >= 0.88
Architectures: All supported architectures


Description

The log function of Net::Server does not handle format string specifiers properly before they are sent to syslog.

Impact

By sending a specially crafted datastream to an application using Net::Server, an attacker could cause a Denial of Service.

Workaround

There is no known workaround at this time.

Resolution

All Net::Server should upgrade to the latest version: