810 matches found
Arista EOS 安全漏洞
Arista EOS is a fully programmable, highly modular, Linux-based network operating system from Arista Corporation. A security vulnerability exists in Arista EOS, which stems from the fact that an incorrectly formatted DHCP packet may cause the DHCP relay agent to restart...
CLSA-2023-1685629665 dhcp: Fix of 2 CVEs
CVE-2022-2928: option refcount overflow when leasequery is enabled leading to dhcpd abort - CVE-2022-2929: DHCP memory leak - Backported tests from upstream, for this and other CVEs...
Vulnerability fixed in Arista series 7000 switches
Arista has fixed a vulnerability in the EOS software of several Series 7000 switches. A malicious party can exploit abuse the vulnerability to use a manipulated DHCP packet to crash and restart the DHCP relay service to crash and restart, thus creating a partial Denial-of-Service can occur. Arist...
CVE-2023-24510
On the affected platforms running EOS, a malformed DHCP packet might cause the DHCP relay agent to restart...
PT-2023-3796 · Tenda · Tenda Ac6
Name of the Vulnerable Software and Affected Versions: Tenda AC6 US AC6V1.0BR V15.03.05.19 Description: A critical vulnerability was found in the function fromDhcpListClient, which leads to a stack-based buffer overflow. The attack can be launched remotely. The exploit has been disclosed to the...
Moderate: Red Hat Security Advisory: dhcp security and bug fix update
An update for dhcp is now available for Red Hat Enterprise Linux 8. Red Hat Product Security has rated this update as having a security impact of Moderate. A Common Vulnerability Scoring System CVSS base score, which gives a detailed severity rating, is available for each vulnerability from the C...
dhcp: option refcount overflow when leasequery is enabled leading to dhcpd abort
An integer overflow vulnerability was found in the DHCP server. When the "optioncodehashlookup" function is called from "addoption", it increases the option's "refcount" field. However, there is not a corresponding call to "optiondereference" to decrement the "refcount" field. The "addoption"...
dhcp: DHCP memory leak
A vulnerability was found in the DHCP server where the "fqdnuniversedecode" function allocates buffer space for the contents of option 81 fqdn data received in a DHCP packet. The maximum length of a DNS "label" is 63 bytes. The function tests the length byte of each label contained in the "fqdn";...
The vulnerability of the DHCPv6 protocol implementation in Cisco IOS XE and Cisco IOS systems allows a attacker to trigger a device reboot or cause a service failure.
The vulnerability of the DHCPv6 protocol implementation in Cisco IOS XE and Cisco IOS lies in unvalidated array indexing. Exploiting this vulnerability can allow a malicious actor to trigger a device reboot or cause service failure by sending specially crafted DHCPv6 messages...
The vulnerability of the DHCP implementation in the software-based quadcopter DJI Spark protocol allows a perpetrator to cause service failure.
The vulnerability of the DHCP implementation in DJI Spark quadrocopters’ software lies in the exhaustion of the IP address pool due to changes in the security-critical protection mechanism. Exploiting this vulnerability allows a malicious actor to cause service failure by sending specially crafte...
CVE-2022-46415
DJI Spark 01.00.0900 allows remote attackers to prevent legitimate terminal connections by exhausting the DHCP IP address pool. To accomplish this, the attacker would first need to connect to the device's internal Wi-Fi network e.g., by guessing the password. Then, the attacker would need to send...
CVE-2022-46416
Parrot Bebop 4.7.1. allows remote attackers to prevent legitimate terminal connections by exhausting the DHCP IP address pool. To accomplish this, the attacker would first need to connect to the device's internal Wi-Fi network e.g., by guessing the password. Then, the attacker would need to send...
CVE-2023-20081
A vulnerability in the IPv6 DHCP DHCPv6 client module of Cisco Adaptive Security Appliance ASA Software, Cisco Firepower Threat Defense FTD Software, Cisco IOS Software, and Cisco IOS XE Software could allow an unauthenticated, remote attacker to cause a denial of service DoS condition on an...
Cisco Adaptive Security Appliances Software 缓冲区错误漏洞
Cisco Adaptive Security Appliances Software ASA Software is a set of firewalls and network security platforms from the U.S. company Cisco Cisco. The platform provides features such as highly secure access to data and network resources. A security vulnerability exists in Cisco Adaptive Security...
CVE-2023-20080
A vulnerability in the IPv6 DHCP version 6 DHCPv6 relay and server features of Cisco IOS and IOS XE Software could allow an unauthenticated, remote attacker to trigger a denial of service DoS condition. This vulnerability is due to insufficient validation of data boundaries. An attacker could...
CVE-2023-20081
A vulnerability in the IPv6 DHCP DHCPv6 client module of Cisco Adaptive Security Appliance ASA Software, Cisco Firepower Threat Defense FTD Software, Cisco IOS Software, and Cisco IOS XE Software could allow an unauthenticated, remote attacker to cause a denial of service DoS condition on an...
SUSE CVE-2003-0039
ISC dhcrelay dhcp-relay 3.0rc9 and earlier, and possibly other versions, allows remote attackers to cause a denial of service packet storm via a certain BOOTP packet that is forwarded to a broadcast MAC address, causing an infinite loop that is not restricted by a hop count...
SUSE CVE-2004-0460
Buffer overflow in the logging capability for the DHCP daemon DHCPD for ISC DHCP 3.0.1rc12 and 3.0.1rc13 allows remote attackers to cause a denial of service server crash and possibly execute arbitrary code via multiple hostname options in 1 DISCOVER, 2 OFFER, 3 REQUEST, 4 ACK, or 5 NAK messages,...
SUSE CVE-2004-0461
The DHCP daemon DHCPD for ISC DHCP 3.0.1rc12 and 3.0.1rc13, when compiled in environments that do not provide the vsnprintf function, uses C include files that define vsnprintf to use the less safe vsprintf function, which can lead to buffer overflow vulnerabilities that enable a denial of servic...