Canonical Ltd. Ubuntu Linux, Red Hat Desktop, Red Hat Enterprise Linux

ソフト名：Canonical Ltd. Ubuntu Linux 8.04/10.04/10.10, Red Hat Desktop 4.x, Red Hat Enterprise Linux AS 4/ES 4/WS 4/5 (Server)/Desktop 5/Desktop Workstation 5/Desktop 6/HPC Node 6/Server 6/Workstation 6 (Internet Software Consortium ISC DHCP 3.1.0〜3.1-ESV-R1/4.1.0〜4.1.2rc1/4.1-ESV〜4.1-ESV-R3b1/4.2.0〜4.2.2rc1)

回避策：USN-1190-1にて対応, RHSA-2011:1160-1にて対応

脆弱性：DoS攻撃, 不特定のエラー, サーバの停止

ソース：

http://www.ubuntu.com/

http://www.redhat.com/rhel/

http://www.redhat.com/rhel/desktop/

http://www.redhat.com/rhel/server/

http://www.ubuntu.com/usn/usn-1190-1/

http://rhn.redhat.com/errata/RHSA-2011-1160.html

http://secunia.com/advisories/45582/

http://secunia.com/advisories/45629/

http://secunia.com/advisories/45639/

http://dvw-j.blogspot.com/2011/08/internet-software-consortium-isc-dhcp.html

http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2011-2748

http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2011-2749

CVE：CVE-2011-2748, CVE-2011-2749

危険性：Medium Risk