FreeBSD : ntp -- Crafted null dereference attack from a trusted source with an authenticated mode 6 packet (c2576e14-36e2-11e9-9eda-206a8a720317)

Network Time Foundation reports : A crafted malicious authenticated mode 6 ntpq packet from a permitted network address can trigger a NULL pointer dereference, crashing ntpd. Note that for this attack to work, the sending system must be on an address that the target's ntpd accepts mode 6 packets...

DEBIAN-CVE-2019-9162

In the Linux kernel before 4.20.12, net/ipv4/netfilter/nfnatsnmpbasicmain.c in the SNMP NAT module has insufficient ASN.1 length checks aka an array index error, making out-of-bounds read and write operations possible, leading to an OOPS or local privilege escalation. This affects snmpversion and...

UBUNTU-CVE-2019-9162

In the Linux kernel before 4.20.12, net/ipv4/netfilter/nfnatsnmpbasicmain.c in the SNMP NAT module has insufficient ASN.1 length checks aka an array index error, making out-of-bounds read and write operations possible, leading to an OOPS or local privilege escalation. This affects snmpversion and...

How to Load Balance Trivial File Transfer Protocol Servers

This article describes how to load balance a Trivial File Transfer Protocol TFTP server using Reverse Network Address Translation RNAT and Use Source IP USIP. TFTP is simple file transport protocol. It uses User Datagram Protocol UDP port 69 as a transport protocol and is typically implemented on...

The vulnerability of the NAT mechanism in the Cisco IOS XE operating system, which allows a hacker to trigger a service failure.

The vulnerability of the Cisco IOS XE operating system’s NAT mechanism is related to errors in processing SIP packets. Exploiting this vulnerability allows a malicious actor to trigger a device reboot and a service failure by sending specially crafted SIP packets to port 5060...

Unpatched VirtualBox Zero-Day Vulnerability and Exploit Released Online

An independent exploit developer and vulnerability researcher has publicly disclosed a zero-day vulnerability in VirtualBox —a popular open source virtualization software developed by Oracle—that could allow a malicious program to escape virtual machine guest OS and execute code on the operating...

CVE-2018-0051

A Denial of Service vulnerability in the SIP application layer gateway ALG component of Junos OS based platforms allows an attacker to crash MS-PIC, MS-MIC, MS-MPC, MS-DPC or SRX flow daemon flowd process. This issue affects Junos OS devices with NAT or stateful firewall configuration in...

Junos OS: Denial of Service vulnerability in MS-PIC, MS-MIC, MS-MPC, MS-DPC and SRX flow daemon (flowd) related to SIP ALG

A Denial of Service vulnerability in the SIP application layer gateway ALG component of Junos OS based platforms allows an attacker to crash MS-PIC, MS-MIC, MS-MPC, MS-DPC or SRX flow daemon flowd process. This issue affects Junos OS devices with NAT or stateful firewall configuration in...

Race condition

A vulnerability in the Network Address Translation NAT Session Initiation Protocol SIP Application Layer Gateway ALG of Cisco IOS XE Software could allow an unauthenticated, remote attacker to cause an affected device to reload. The vulnerability is due to improper processing of SIP packets in...

Cisco IOS XE Software NAT SIP ALG Denial of Service Vulnerability

Cisco IOS XE Software is an operating system developed by Cisco for its network devices.Network Address Translation NAT Session Initiation Protocol SP Application Layer Gateway ALG is one of the gateway components. Network Address Translation NAT Session Initiation Protocol SP Application Layer...

PCI DSS v3.2 & Private IP Address Disclosure

Private IP addresses disclosure such as QID 86247 “Web Server Internal IP Address/Internal Network Name Disclosure Vulnerability” will be marked as a Fail for PCI as of February 1, 2018 in accordance with PCI DSS v3.2. QID 86247 is a PCI Fail according to PCI DSS v3.2 Requirement 1.3.7: 1.3.7 Do...

CVE-2017-17746

Weak access control methods on the TP-Link TL-SG108E 1.0.0 allow any user on a NAT network with an authenticated administrator to access the device without entering user credentials. The authentication record is stored on the device; thus if an administrator authenticates from a NAT network, the...

Cohu 3960HD Authentication Deficiency Vulnerability

The Cohu 3960HD is an IP zoom camera from Cohu USA that is typically used as a traffic camera. A security vulnerability exists in the Cohu 3960HD that stems from the program's failure to validate commands received on a remote configuration port. An attacker can exploit the vulnerability to change...

CVE-2017-0904

The privateaddresscheck ruby gem before 0.4.0 is vulnerable to a bypass due to use of Ruby's Resolv.getaddresses method, which is OS-dependent and should not be relied upon for security measures, such as when used to blacklist private network addresses to prevent server-side request forgery...

The vulnerability of the Network Address Translation (NAT) mechanism implemented in the Cisco IOS operating system allows a hacker to cause a service failure and restart the device.

The vulnerability of the Network Address Translation NAT mechanism implemented by the Cisco IOS operating system is related to resource management errors incorrect translation of H.323 messages through the application-level gateway, using the Registration, Admission, and Status RAS protocol...

DEBIAN-CVE-2017-14603

In Asterisk 11.x before 11.25.3, 13.x before 13.17.2, and 14.x before 14.6.2 and Certified Asterisk 11.x before 11.6-cert18 and 13.x before 13.13-cert6, insufficient RTCP packet validation could allow reading stale buffer contents and when combined with the "nat" and "symmetricrtp" options allow...

Cisco IOS Software NAT denial of service (cisco-sa-20170927-nat)

According to its self-reported version and configuration, the Cisco IOS software running on the remote device is affected by a denial of service vulnerability in the Network Address Translation NAT feature. An unauthenticated, remote attacker can exploit this, via specially crafted NAT requests, ...

CVE-2017-12231

A vulnerability in the implementation of Network Address Translation NAT functionality in Cisco IOS 12.4 through 15.6 could allow an unauthenticated, remote attacker to cause a denial of service DoS condition on an affected device. The vulnerability is due to the improper translation of H.323...

Cisco IOS Software Denial of Service Vulnerability (CNVD-2017-29458)

Cisco IOS is an operating system developed by Cisco for its network devices. A denial of service vulnerability exists in the Network Address Translation NAT feature implementation in Cisco IOS versions 12.4 through 15.6. A remote attacker could exploit this vulnerability by sending specially...

Cisco IOS Software Network Address Translation Denial of Service Vulnerability

A vulnerability in the implementation of Network Address Translation NAT functionality in Cisco IOS Software could allow an unauthenticated, remote attacker to cause a denial of service DoS condition on an affected device. The vulnerability is due to the improper translation of H.323 messages tha...