RLSA-2020:4760 Moderate: tcpdump security, bug fix, and enhancement update

The tcpdump packages contain the tcpdump utility for monitoring network traffic. The tcpdump utility can capture and display the packet headers on a particular network interface or on all interfaces. The following packages have been upgraded to a later upstream version: tcpdump 4.9.3. BZ1804063...

Cisco FXOS Software Cisco Fabric Services Arbitrary Code Execution (cisco-sa-20180620-fxnxos-ace)

A arbitrary code execution vulnerability exists in Cisco Fabric Services FXOS software due to insufficient validation of packet headers. An unauthenticated, remote attacker can exploit this, via crafted packets, to execute arbitrary code. Please see the included Cisco BIDs and Cisco Security...

Cisco FXOS and NX-OS Software Cisco Discovery Protocol Arbitrary Code Execution (cisco-sa-20180620-fxnxos-dos)

According to its self-reported version, Cisco NX-OS Software is affected by a vulnerability in the Cisco Discovery Protocol due to insufficiently validated packet headers. An unauthenticated, adjacent attacker can exploit this, via a crafted Cisco Discovery Protocol packet, to execute arbitrary...

Cisco NX-OS Software Cisco Discovery Protocol Arbitrary Code Execution and DoS (cisco-sa-20200226-fxos-nxos-cdp)

According to its self-reported version, Cisco NX-OS Software is affected by a vulnerability in the Cisco Discovery Protocol feature due to insufficient validation of Cisco Discovery Protocol packet headers. An unauthenticated, adjacent attacker can exploit this, by sending a crafted Cisco Discove...

CVE-2018-0304

A vulnerability in the Cisco Fabric Services component of Cisco FXOS Software and Cisco NX-OS Software could allow an unauthenticated, remote attacker to read sensitive memory content, create a denial of service DoS condition, or execute arbitrary code as root. The vulnerability exists because th...

CVE-2018-0314

A vulnerability in the Cisco Fabric Services CFS component of Cisco FXOS Software and Cisco NX-OS Software could allow an unauthenticated, remote attacker to execute arbitrary code on an affected device. The vulnerability exists because the affected software insufficiently validates Cisco Fabric...

Moderate: Red Hat Enhancement Advisory: tcpdump bug fix and enhancement update

An update for tcpdump is now available for Red Hat Enterprise Linux 7. The tcpdump packages contain the tcpdump utility for monitoring network traffic. The tcpdump utility can capture and display the packet headers on a particular network interface or on all interfaces. For detailed information o...

IPv6, it’s waiting for you

IPv6 is an expression IT professionals are likely to have seen or heard at one time, but what exactly is it? Let us give you a quick introduction, and then try to explain what it does differently by comparing it to its predecessor, IPv4. IPv4 and IPv6 are both Internet communications protocols...

Cisco Nexus 9000 Series Switches Telnet Login Denial of Service Vulnerability

A vulnerability in the Telnet remote login functionality of Cisco NX-OS Software running on Cisco Nexus 9000 Series Switches could allow an unauthenticated, remote attacker to cause a Telnet process used for login to terminate unexpectedly and the login attempt to fail. There is no impact to user...

[SECURITY] Fedora 22 Update: tcpdump-4.7.3-1.fc22

Tcpdump is a command-line tool for monitoring network traffic. Tcpdump can capture and display the packet headers on a particular network interface or on all interfaces. Tcpdump can display all of the packet headers, or just the ones that match particular criteria. Install tcpdump if you need a...

[SECURITY] Fedora 20 Update: tcpdump-4.5.1-3.fc20

Tcpdump is a command-line tool for monitoring network traffic. Tcpdump can capture and display the packet headers on a particular network interface or on all interfaces. Tcpdump can display all of the packet headers, or just the ones that match particular criteria. Install tcpdump if you need a...

[SECURITY] Fedora 21 Update: tcpdump-4.6.2-2.fc21

Tcpdump is a command-line tool for monitoring network traffic. Tcpdump can capture and display the packet headers on a particular network interface or on all interfaces. Tcpdump can display all of the packet headers, or just the ones that match particular criteria. Install tcpdump if you need a...

[SECURITY] Fedora 19 Update: tcpdump-4.4.0-4.fc19

Tcpdump is a command-line tool for monitoring network traffic. Tcpdump can capture and display the packet headers on a particular network interface or on all interfaces. Tcpdump can display all of the packet headers, or just the ones that match particular criteria. Install tcpdump if you need a...

[SECURITY] Fedora 7 Update: tcpdump-3.9.7-1.fc7

Tcpdump is a command-line tool for monitoring network traffic. Tcpdump can capture and display the packet headers on a particular network interface or on all interfaces. Tcpdump can display all of the packet headers, or just the ones that match particular criteria. Install tcpdump if you need a...

[SECURITY] Fedora Core 5 Update: tcpdump-3.9.4-4.fc5

Tcpdump is a command-line tool for monitoring network traffic. Tcpdump can capture and display the packet headers on a particular network interface or on all interfaces. Tcpdump can display all of the packet headers, or just the ones that match particular criteria. Install tcpdump if you need a...