Heap-based buffer overflow in the SPF_dns_resolv_lookup function in Spf_dns_resolv.c in libspf2 before 1.2.8 allows remote attackers to execute arbitrary code via a long DNS TXT record with a modified length field.Referenceshttp://secunia.com/advisories/32720https://www.exploit-db.com/exploits/6805http://secunia.com/advisories/32396http://www.securityfocus.com/bid/31881http://securityreason.com/securityalert/4487https://exchange.xforce.ibmcloud.com/vulnerabilities/46055https://answers.launchpad.net/ubuntu/gutsy/+source/libspf2/1.2.5.dfsg-4ubuntu0.7.10.1http://up2date.astaro.com/2008/11/up2date_7305_released.htmlhttp://bugs.gentoo.org/show_bug.cgi?format=multiple&id=242254http://www.debian.org/security/2008/dsa-1659http://www.vupen.com/english/advisories/2008/2896https://bugs.launchpad.net/ubuntu/feisty/+source/libspf2/+bug/271025http://www.doxpara.com/?page_id=1256http://www.doxpara.com/?p=1263http://security.gentoo.org/glsa/glsa-200810-03.xmlhttp://www.kb.cert.org/vuls/id/183657http://secunia.com/advisories/32496http://secunia.com/advisories/32450
