Multiple eval injection vulnerabilities in HylaFAX 4.2.3 and earlier allow remote attackers to execute arbitrary commands via (1) the notify script in HylaFAX 4.2.0 to 4.2.3 and (2) crafted CallID parameters to the faxrcvd script in HylaFAX 4.2.2 and 4.2.3.
http://www.vupen.com/english/advisories/2006/0072
http://www.securityfocus.com/archive/1/420974/100/0/threaded
http://www.mandriva.com/security/advisories?name=MDKSA-2006:015
http://www.hylafax.org/content/HylaFAX_4.2.4_release
http://www.gentoo.org/security/en/glsa/glsa-200601-03.xml
http://www.debian.org/security/2005/dsa-933
http://secunia.com/advisories/18489
http://secunia.com/advisories/18366
http://secunia.com/advisories/18337