The ReadRequestFromClient function in server/os/io.c in Network Audio System (NAS) before 1.8a SVN 237 allows remote attackers to cause a denial of service (crash) via multiple simultaneous connections, which triggers a NULL pointer dereference.

References

• https://nvd.nist.gov/vuln/detail/CVE-2007-1547
• https://exchange.xforce.ibmcloud.com/vulnerabilities/33059
• http://aluigi.altervista.org/adv/nasbugs-adv.txt
• http://secunia.com/advisories/24527
• http://secunia.com/advisories/24601
• http://secunia.com/advisories/24628
• http://secunia.com/advisories/24638
• http://secunia.com/advisories/24980
• http://security.gentoo.org/glsa/glsa-200704-20.xml
• http://www.debian.org/security/2007/dsa-1273
• http://www.mandriva.com/security/advisories?name=MDKSA-2007:065
• http://www.radscan.com/nas/HISTORY
• http://www.securityfocus.com/archive/1/464606/30/7230/threaded
• http://www.securityfocus.com/bid/23017
• http://www.securitytracker.com/id?1017822
• http://www.ubuntu.com/usn/usn-446-1
• http://www.vupen.com/english/advisories/2007/0997