[ GLSA 200509-14 ] Zebedee: Denial of Service vulnerability

[GLSA]

Gentoo Linux Security Advisory

Title: Zebedee: Denial of Service vulnerability (GLSA 200509-14)
Severity: normal
Exploitable: remote
Date: September 20, 2005
Updated: May 22, 2006
Bug(s): #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: net-misc/zebedee
Vulnerable: < 2.5.3
Unaffected: >= 2.4.1-r1 < 2.4.2
Unaffected: >= 2.5.3
Architectures: 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: