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Security Advisories (10)
CVE-2022-24785 (2022-04-04)

Moment.js is a JavaScript date library for parsing, validating, manipulating, and formatting dates. A path traversal vulnerability impacts npm (server) users of Moment.js between versions 1.0.1 and 2.29.1, especially if a user-provided locale string is directly used to switch moment locale. This problem is patched in 2.29.2, and the patch can be applied to all affected versions. As a workaround, sanitize the user-provided locale name before passing it to Moment.js.

CVE-2020-11022 (2020-04-29)

In jQuery versions greater than or equal to 1.2 and before 3.5.0, passing HTML from untrusted sources - even after sanitizing it - to one of jQuery's DOM manipulation methods (i.e. .html(), .append(), and others) may execute untrusted code. This problem is patched in jQuery 3.5.0.

CVE-2020-11023 (2020-04-29)

In jQuery versions greater than or equal to 1.0.3 and before 3.5.0, passing HTML containing <option> elements from untrusted sources - even after sanitizing it - to one of jQuery's DOM manipulation methods (i.e. .html(), .append(), and others) may execute untrusted code. This problem is patched in jQuery 3.5.0.

CVE-2019-11358 (2019-04-20)

jQuery before 3.4.0, as used in Drupal, Backdrop CMS, and other products, mishandles jQuery.extend(true, {}, ...) because of Object.prototype pollution. If an unsanitized source object contained an enumerable __proto__ property, it could extend the native Object.prototype.

CVE-2015-9251 (2018-01-18)

jQuery before 3.0.0 is vulnerable to Cross-site Scripting (XSS) attacks when a cross-domain Ajax request is performed without the dataType option, causing text/javascript responses to be executed.

CVE-2011-4969 (2013-03-08)

Cross-site scripting (XSS) vulnerability in jQuery before 1.6.3, when using location.hash to select elements, allows remote attackers to inject arbitrary web script or HTML via a crafted tag.

CVE-2012-6708 (2018-01-18)

jQuery before 1.9.0 is vulnerable to Cross-site Scripting (XSS) attacks. The jQuery(strInput) function does not differentiate selectors from HTML in a reliable fashion. In vulnerable versions, jQuery determined whether the input was HTML by looking for the '<' character anywhere in the string, giving attackers more flexibility when attempting to construct a malicious payload. In fixed versions, jQuery only deems the input to be HTML if it explicitly starts with the '<' character, limiting exploitability only to attackers who can control the beginning of a string, which is far less common.

CVE-2020-7656 (2020-05-19)

jquery prior to 1.9.0 allows Cross-site Scripting attacks via the load method. The load method fails to recognize and remove "<script>" HTML tags that contain a whitespace character, i.e: "</script >", which results in the enclosed script logic to be executed.

CVE-2019-5428

Prototype Pollution is a vulnerability affecting JavaScript. Prototype Pollution refers to the ability to inject properties into existing JavaScript language construct prototypes, such as objects. JavaScript allows all Object attributes to be altered, including their magical attributes such as _proto_, constructor and prototype. An attacker manipulates these attributes to overwrite, or pollute, a JavaScript application object prototype of the base object by injecting other values. Properties on the Object.prototype are then inherited by all the JavaScript objects through the prototype chain. When that happens, this leads to either denial of service by triggering JavaScript exceptions, or it tampers with the application source code to force the code path that the attacker injects, thereby leading to remote code execution.

CVE-2014-6071 (2018-01-16)

jQuery 1.4.2 allows remote attackers to conduct cross-site scripting (XSS) attacks via vectors related to use of the text method inside after.

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App::Netdisco::Manual::Vendors - Tips and Tricks for Vendor Platforms

Neighbor Relations on Juniper EX

The LLDP configuration should look like:

lldp {
  management-address 10.0.0.1;
  port-id-subtype interface-name;
  interface all;
}

VRFs and NXOS

Netdsico at this time does not support VRFs. In particular, overlapping IP address spaces will not be shown in the interface.

However if you're running Cisco NXOS and do not have overlapping IP address space, then you can use the NXOS SSHCollector profile for that platform.

Report Cisco 37xx as Single Device Instead of Stacked

Add this to your 37xx config:

no snmp-server sysobjectid type stack-oid

SNMP Support on Huawei Quidway and CloudEngine

Where mycommunity is your community string. Note iso means everything is visible to readers!

snmp-agent mib-view included all iso
snmp-agent community read cipher mycommunity mib-view all
snmp-agent packet max-size 17940
snmp-agent extend error-code enable

SNMP Support on Linksys and Cisco Linksys

Where mycommunity is your community string. Note this results in everything being visible to readers!

snmp-server view test iso included
snmp-server view test system included      
snmp-server view test interfaces included
snmp-server view test ip included
snmp-server view test icmp included
snmp-server view test tcp included
snmp-server view test udp included
snmp-server view test transmission included
snmp-server view test snmp included
snmp-server view test rmon included
snmp-server view test dot1dBridge included
snmp-server view test ifMIB included
snmp-server view test dns included
snmp-server view test radiusMIB included
snmp-server view test traceRouteMIB included
snmp-server view test powerEthernetMIB included
snmp-server community mycommunity ro view test

SNMPv3 Support on Cisco IOS

To access per-VLAN MAC address tables we use SNMPv3 contexts. In Cisco IOS the access control is per-context so for each context (VLAN) you need to permit access from the poller.

You should already have something like the following to enable SNMPv3 from Netdisco at 192.0.2.1:

snmp-server view myv3view iso included
snmp-server group myv3group v3 priv read myv3view
snmp-server user myv3user myv3group v3 auth md5 PASSWORD priv des PASSWORD
snmp-server host 192.0.2.1 version 3 auth myv3user

Then set the authorization:

snmp-server group myv3group v3 auth
snmp-server group myv3group v3 auth context vlan- match prefix

If the second command above is rejected, you have an older version of IOS and must enter a statement for each active VLAN on the device:

snmp-server group myv3group v3 priv context vlan-1
snmp-server group myv3group v3 priv context vlan-2
snmp-server group myv3group v3 priv context vlan-3
... etc

Linux SNMP Service (Agent)

Install the snmpd (SNMP agent) and lldpd (neighbor discovery) packages.

Edit the /etc/snmp/snmpd.conf file:

# AGENT BEHAVIOUR
# comment out: agentAddress udp:127.0.0.1:161
agentAddress udp:161,udp6:[::1]:161

# ACCESS CONTROL
rocommunity <your-secret> <management-device-IP/net>

# SYSTEM INFORMATION
sysServices 76
# (default is 72, 74 is layer2 bridge/switch, 76 for layer3 router/gateway)

If running a firewall, allow SNMP traffic in on UDP port 161.

Edit the /etc/default/lldpd file:

DAEMON_ARGS="-k -x -l -m <Mgmt-IP>"
# <Mgmt-IP> is the IP to advertise for Netdisco to connect

Restart snmpd and lldpd services when you have configured them.

This assumes you're using LLDP on your network. If you use CDP then the lldpd daemon can support that protocol - see the manual page for details.