GLSA 200509-14: Zebedee: Denial of Service vulnerability

http://security.gentoo.org/

Severity:	normal
Title:	Zebedee: Denial of Service vulnerability
Date:	09/20/2005
Bugs:	#105115
ID:	200509-14

Synopsis

A bug in Zebedee allows a remote attacker to perform a Denial of Service attack.

Background

Zebedee is an application that establishes an encrypted, compressed tunnel for TCP/IP or UDP data transfer between two systems.

Affected packages

Package	Vulnerable	Unaffected	Architecture(s)
net-misc/zebedee	< 2.5.3	>= 2.4.1-r1	All supported architectures

Description

"Shiraishi.M" reported that Zebedee crashes when "0" is received as the port number in the protocol option header.

Impact

By performing malformed requests a remote attacker could cause Zebedee to crash.

Workaround

There is no known workaround at this time.

Resolution

All Zebedee users should upgrade to the latest version:

    # emerge --sync
    # emerge --ask --oneshot --verbose net-misc/zebedee

References

Availability

This GLSA and any updates to it are available for viewing at the Gentoo Security Website: http://security.gentoo.org/glsa/glsa-200509-14.xml

Concerns?

Security is a primary focus of Gentoo Linux and ensuring the confidentiality and security of our users machines is of utmost importance to us. Any security concerns should be addressed to security@gentoo.org or alternatively, you may file a bug at https://bugs.gentoo.org.