Beers with Talos EP27: Smart Install, Vuln Process Realities, and Professional Wrestling

Beers with Talos BWT Podcast Episode 27 is now available. Download this episode and subscribe to Beers with Talos: If iTunes and Google Play aren't your thing: www.talosintelligence.com/podcast EP27 Show Notes: Recorded 4/13/18 - We just upgraded all our gear, so naturally we had a straight tech...

Cisco Smart Install Unauthorized Access Vulnerability

Smart Install, a plug-and-play configuration and image management feature, provides zero-configuration deployment for switches new to the network, automating the process of initial configuration and operating system image loading, as well as providing backup of configuration files. An unauthorize...

Here's how hackers are targeting Cisco Network Switches in Russia and Iran

Since last week, a new hacking group, calling itself 'JHT,' hijacked a significant number of Cisco devices belonging to organizations in Russia and Iran, and left a message that reads—"Do not mess with our elections" with an American flag in ASCII art. MJ Azari Jahromi, Iranian Communication and...

Cisco Smart Install Protocol Misuse

SIET Smart Install Exploitation Tool Cisco Smart Install is a plug-and-play configuration and image-management feature that provides zero-touch deployment for new switches. You can ship a switch to a location, place it in the network and power it on with no configuration required on the device. Y...

The vulnerability of Cisco IOS and Cisco IOS XE operating systems, related to incorrect packet validation, allows attackers to trigger service failures or execute arbitrary code.

The vulnerability of Cisco IOS and Cisco IOS XE operating systems is related to incorrect data validation. Exploiting this vulnerability can allow a malicious actor to trigger an emergency shutdown of the watchdog timer or execute arbitrary code by sending a specially crafted Smart Install messag...

Critical Infrastructure at Risk: Advanced Actors Target Smart Install Client

Update: 4/9 Cisco PSIRT has released additional guidance available here. Cisco has recently become aware of specific advanced actors targeting Cisco switches by leveraging a protocol misuse issue in the Cisco Smart Install Client. Several incidents in multiple countries, including some specifical...

Cisco product experience serious vulnerability, resulting in a large number of devices is facing a remote risk of attack-vulnerability warning-the black bar safety net

! Cisco in their IOS software that patches over 30 vulnerabilities, including a serious remote code execution vulnerability, the vulnerability can be hundreds of thousands of even millions of devices exposed on the network device initiates a remote attack. A total of three vulnerabilities are rat...

Cisco Smart Install Remote Code Execution (CVE-2018-0171)

A remote code execution vulnerability exists in Cisco Smart Install. Successful exploitation of this vulnerability could allow a remote attacker to execute arbitrary code on the affected system...

Cisco Smart Install Remote Command Execution Vulnerability

Smart Install, a plug-and-play configuration and image management feature, provides zero-configuration deployment for switches new to the network, automating the process of initial configuration and operating system image loading, as well as providing backup of configuration files. A remote comma...

Cisco IOS Software and IOS XE Software Denial of Service Vulnerability (CNVD-2018-07300)

Cisco IOS Software and IOS XE Software are both operating systems developed by Cisco for its network devices. A resource management error vulnerability exists in the Smart Install feature of Cisco IOS Software and IOS XE Software, which results from the program failing to properly validate packet...

Cisco Smart Install - Crash (PoC)

Cisco Smart Install - Crash PoC smiibcinitdiscoveryBoF.py import socket import struct from optparse import OptionParser Parse the target options parser = OptionParser parser.addoption"-t", "--target", dest="target", help="Smart Install Client", default="192.168.1.1" parser.addoption"-p", "--port"...

Cisco IOS XE Software Smart Install Remote Code Execution Vulnerability

According to its self-reported version, the IOS XE is affected by one or more vulnerabilities. Please see the included Cisco BIDs and the Cisco Security Advisory for more information. TRUSTED...

Cisco Smart Install Remote Code Execution(CVE-2018-0171)

Introduction Application: Cisco IOS, Cisco IOS-XE Vendor: Cisco Bugs: Stack-based buffer overflow CWE-20, CWE-121 Risk: Critical; AV:N/AC:L/Au:N/C:C/I:C/A:C 10.0 A stack-based buffer overflow vulnerability was found in Smart Install Client code. This vulnerability enables an attacker to remotely...

Cisco IOS Software Smart Install Remote Code Execution Vulnerability

According to its self-reported version, the IOS is affected by one or more vulnerabilities. Please see the included Cisco BIDs and the Cisco Security Advisory for more information. TRUSTED...

Cisco Smart Install - Crash (PoC)

smiibcinitdiscoveryBoF.py import socket import struct from optparse import OptionParser Parse the target options parser = OptionParser parser.addoption"-t", "--target", dest="target", help="Smart Install Client", default="192.168.1.1" parser.addoption"-p", "--port", dest="port", type="int",...

CVE-2018-0171

A vulnerability in the Smart Install feature of Cisco IOS Software and Cisco IOS XE Software could allow an unauthenticated, remote attacker to trigger a reload of an affected device, resulting in a denial of service DoS condition, or to execute arbitrary code on an affected device. The...

CVE-2018-0171

A vulnerability in the Smart Install feature of Cisco IOS Software and Cisco IOS XE Software could allow an unauthenticated, remote attacker to trigger a reload of an affected device, resulting in a denial of service DoS condition, or to execute arbitrary code on an affected device. The...

CVE-2018-0156

A vulnerability in the Smart Install feature of Cisco IOS Software and Cisco IOS XE Software could allow an unauthenticated, remote attacker to trigger a reload of an affected device, resulting in a denial of service DoS condition. The vulnerability is due to improper validation of packet data. A...

Input validation

A vulnerability in the Smart Install feature of Cisco IOS Software and Cisco IOS XE Software could allow an unauthenticated, remote attacker to trigger a reload of an affected device, resulting in a denial of service DoS condition. The vulnerability is due to improper validation of packet data. A...

Buffer overflow

A vulnerability in the Smart Install feature of Cisco IOS Software and Cisco IOS XE Software could allow an unauthenticated, remote attacker to trigger a reload of an affected device, resulting in a denial of service DoS condition, or to execute arbitrary code on an affected device. The...