isc-dhcp -- multiple vulnerabilities

ISC reports: An unexpected client identifier parameter can cause the ISC DHCP daemon to segmentation fault when running in DHCPv6 mode, resulting in a denial of service to further client requests. In order to exploit this condition, an attacker must be able to send requests to the DHCP server. An...

Fedora Update for dhcp FEDORA-2011-10667

Check for the Version of dhcp OpenVAS Vulnerability Test Fedora Update for dhcp FEDORA-2011-10667 Authors: System Generated Check Copyright: Copyright c 2012 Greenbone Networks GmbH, http://www.greenbone.net This program is free software; you can redistribute it and/or modify it under the terms o...

Debian Security Advisory DSA 2292-1 (isc-dhcp)

The remote host is missing an update to isc-dhcp announced via advisory DSA 2292-1. OpenVAS Vulnerability Test $Id: deb22921.nasl 6612 2017-07-07 12:08:03Z cfischer $ Description: Auto-generated from advisory DSA 2292-1 isc-dhcp Authors: Thomas Reinke Copyright: Copyright c 2012 E-Soft Inc...

Debian: Security Advisory (DSA-2292-1)

The remote host is missing an update for the Debian SPDX-FileCopyrightText: 2012 Greenbone AG Some text descriptions might be excerpted from a referenced sources, and are Copyright C by the respective right holders. SPDX-License-Identifier: GPL-2.0-only ifdescription...

[SECURITY] Fedora 16 Update: dhcp-4.2.3-5.P2.fc16

DHCP Dynamic Host Configuration Protocol is a protocol which allows individual devices on an IP network to get their own network configuration information IP address, subnetmask, broadcast address, etc. from a DHCP server. The overall purpose of DHCP is to make it easier to administer a large...

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...

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...

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...

CVE-2011-4868

ISC DHCP (dhcpd) before 4.2.3-P2 is affected when using Dynamic DNS with IPv6. The issue lies in the logging/DDNS handling of the DHCPv6 lease structure during lease-status updates, which can trigger a NULL pointer dereference and crash the daemon (denial of service). Exploitation details are not...

[SECURITY] Fedora 15 Update: dhcp-4.2.1-14.P1.fc15

DHCP Dynamic Host Configuration Protocol is a protocol which allows individual devices on an IP network to get their own network configuration information IP address, subnetmask, broadcast address, etc. from a DHCP server. The overall purpose of DHCP is to make it easier to administer a large...

Ubuntu Update for isc-dhcp USN-1309-1

Ubuntu Update for Linux kernel vulnerabilities USN-1309-1 OpenVAS Vulnerability Test $Id: gbubuntuUSN13091.nasl 7964 2017-12-01 07:32:11Z santu $ Ubuntu Update for isc-dhcp USN-1309-1 Authors: System Generated Check Copyright: Copyright c 2011 Greenbone Networks GmbH, http://www.greenbone.net Thi...

Ubuntu: Security Advisory (USN-1309-1)

The remote host is missing an update for the SPDX-FileCopyrightText: 2011 Greenbone AG Some text descriptions might be excerpted from a referenced sources, and are Copyright C by the respective right holders. SPDX-License-Identifier: GPL-2.0-only ifdescription...

Ubuntu 11.04 / 11.10 : isc-dhcp vulnerability (USN-1309-1)

It was discovered that the DHCP server incorrectly handled certain malformed packets when configured to evaluate regular expressions. A remote attacker could use this issue to cause DHCP to crash, resulting in a denial of service. Note that Tenable Network Security has extracted the preceding...

USN-1309-1: DHCP vulnerability

It was discovered that the DHCP server incorrectly handled certain malformed packets when configured to evaluate regular expressions. A remote attacker could use this issue to cause DHCP to crash, resulting in a denial of service...

[SECURITY] Fedora 16 Update: dhcp-4.2.3-4.P1.fc16

DHCP Dynamic Host Configuration Protocol is a protocol which allows individual devices on an IP network to get their own network configuration information IP address, subnetmask, broadcast address, etc. from a DHCP server. The overall purpose of DHCP is to make it easier to administer a large...

ISC DHCP DoS

Incorrect regular expressions handling...

Mandriva Linux Security Advisory : dhcp (MDVSA-2011:182)

A vulnerability has been discovered and corrected in dhcp : dhcpd in ISC DHCP 4.x before 4.2.3-P1 and 4.1-ESV before 4.1-ESV-R4 does not properly handle regular expressions in dhcpd.conf, which allows remote attackers to cause a denial of service daemon crash via a crafted request packet...

Mandriva Update for dhcp MDVSA-2011:182 (dhcp)

The remote host is missing an update for the SPDX-FileCopyrightText: 2011 Greenbone AG Some text descriptions might be excerpted from a referenced sources, and are Copyright C by the respective right holders. SPDX-License-Identifier: GPL-2.0-only ifdescription scriptxrefname:"URL",...

CVE-2011-4539

dhcpd in ISC DHCP 4.x before 4.2.3-P1 and 4.1-ESV before 4.1-ESV-R4 does not properly handle regular expressions in dhcpd.conf, which allows remote attackers to cause a denial of service daemon crash via a crafted request packet...