FreeBSD : isc-dhcp-server -- DoS in DHCPv6 (1800886c-3dde-11e1-89b4-001ec9578670)

ISC reports : Due to improper handling of a DHCPv6 lease structure, ISC DHCP servers that are serving IPv6 address pools AND using Dynamic DNS can encounter a segmentation fault error while updating lease status under certain conditions. The potential exists for this condition to be intentionally...

CVE-2011-4868

The logging functionality in dhcpd in ISC DHCP before 4.2.3-P2, when using Dynamic DNS DDNS and issuing IPv6 addresses, does not properly handle the DHCPv6 lease structure, which allows remote attackers to cause a denial of service NULL pointer dereference and daemon crash via crafted packets...

isc-dhcp-server -- DoS in DHCPv6

ISC reports: Due to improper handling of a DHCPv6 lease structure, ISC DHCP servers that are serving IPv6 address pools AND using Dynamic DNS can encounter a segmentation fault error while updating lease status under certain conditions. The potential exists for this condition to be intentionally...

Malformed DHCPv6 packets cause RPC to become unresponsive

Barracuda Networks AG Security Advisory 07/08/2011 Summary ----------------------------- Malformed DHCPv6 packets cause RPC to become unresponsive. Technical Details ----------------------------- There is a vulnerability in the part of RPC processing DHCPv6. The failure results because of incorre...

Microsoft Windows DHCPv6 DoS

RPC crashes on DHCP reply with empty Domain Search List...

SuSE 11.1 Security Update : dhcpv6 (SAT Patch Number 4317)

A rogue DHCP server could instruct clients to use a host name that contains shell meta characters. Since many scripts in the system do not expect unusal characters in the system's host name the DHCP client needs to sanitize the host name offered by the server. CVE-2011-0997 %NASLMINLEVEL 70300 C...

Default configuration

DISPUTED The default configuration of Microsoft Windows 7 immediately prefers a new IPv6 and DHCPv6 service over a currently used IPv4 and DHCPv4 service upon receipt of an IPv6 Router Advertisement RA, and does not provide an option to ignore an unexpected RA, which allows remote attackers to...

CVE-2011-1652

CVE-2011-1652 concerns Windows 7 default behavior: upon IPv6 Router Advertisement, the system prefers a new IPv6/DHCPv6 path over existing IPv4/DHCPv4 and provides no option to ignore an unexpected RA. This enables remote attackers on the local network to perform man-in-the-middle attacks on traf...

CVE-2011-1652

The default configuration of Microsoft Windows 7 immediately prefers a new IPv6 and DHCPv6 service over a currently used IPv4 and DHCPv4 service upon receipt of an IPv6 Router Advertisement RA, and does not provide an option to ignore an unexpected RA, which allows remote attackers to conduct...

Debian Security Advisory DSA 2184-1 (isc-dhcp)

The remote host is missing an update to isc-dhcp announced via advisory DSA 2184-1. OpenVAS Vulnerability Test $Id: deb21841.nasl 6613 2017-07-07 12:08:40Z cfischer $ Description: Auto-generated from advisory DSA 2184-1 isc-dhcp Authors: Thomas Reinke Copyright: Copyright c 2011 E-Soft Inc...

RHEL 6 : dhcp (RHSA-2011:0256)

Updated dhcp packages that fix one security issue are now available for Red Hat Enterprise Linux 6. The Red Hat Security Response Team has rated this update as having moderate security impact. A Common Vulnerability Scoring System CVSS base score, which gives a detailed severity rating, is...

Moderate: Red Hat Security Advisory: dhcp security update

Updated dhcp packages that fix one security issue are now available for Red Hat Enterprise Linux 6. The Red Hat Security Response Team has rated this update as having moderate security impact. A Common Vulnerability Scoring System CVSS base score, which gives a detailed severity rating, is...

dhcp security update

12:4.1.1-12.P1.2 - CVE-2011-0413: Unexpected abort caused by a DHCPv6 decline message 672994...

dhcp security update

12:4.1.1-12.P1.1 - CVE-2010-3611: NULL pointer dereference crash via crafted DHCPv6 packet 651913...

Mandriva Linux Security Advisory : dhcp (MDVSA-2011:022)

A vulnerability has been found and corrected in dhcp : The DHCPv6 server in ISC DHCP 4.0.x and 4.1.x before 4.1.2-P1, 4.0-ESV and 4.1-ESV before 4.1-ESV-R1, and 4.2.x before 4.2.1b1 allows remote attackers to cause a denial of service assertion failure and daemon crash by sending a message over...

Fedora 14 : dhcp-4.2.0-19.P2.fc14 (2011-0862)

A flaw was discovered in the way the dhcpd daemon processed a message for an address that had been previously declined and internally tagged as abandoned. Processing such a message could trigger an assert failure that could crash dhcpd if it was running as a DHCPv6 server. DHCPv4 servers are...

CVE-2011-0413

The DHCPv6 server in ISC DHCP 4.0.x and 4.1.x before 4.1.2-P1, 4.0-ESV and 4.1-ESV before 4.1-ESV-R1, and 4.2.x before 4.2.1b1 allows remote attackers to cause a denial of service assertion failure and daemon crash by sending a message over IPv6 for a declined and abandoned address...

CVE-2011-0413

The DHCPv6 server in ISC DHCP 4.0.x and 4.1.x before 4.1.2-P1, 4.0-ESV and 4.1-ESV before 4.1-ESV-R1, and 4.2.x before 4.2.1b1 allows remote attackers to cause a denial of service assertion failure and daemon crash by sending a message over IPv6 for a declined and abandoned address...

Design/Logic Flaw

The DHCPv6 server in ISC DHCP 4.0.x and 4.1.x before 4.1.2-P1, 4.0-ESV and 4.1-ESV before 4.1-ESV-R1, and 4.2.x before 4.2.1b1 allows remote attackers to cause a denial of service assertion failure and daemon crash by sending a message over IPv6 for a declined and abandoned address...

CVE-2011-0413

The DHCPv6 server in ISC DHCP 4.0.x and 4.1.x before 4.1.2-P1, 4.0-ESV and 4.1-ESV before 4.1-ESV-R1, and 4.2.x before 4.2.1b1 allows remote attackers to cause a denial of service assertion failure and daemon crash by sending a message over IPv6 for a declined and abandoned address...