Sunday, June 16, 2024

EdgeRouter and AirCube miniupnpd Vulnerabilities Enable Attackers to Execute Arbitrary Code

AirCube is a wireless access point device used in homes and Edge Routers are special routers manufactured by Ubiquiti that act at the network boundary and allow an internal network to connect to an external network.

MiniUPnPd (Mini Universal Plug aNd Play) is a small daemon that initiates the UPnP and NatPMP (Network Address Translation Port Mapping Protocol) for a device. These two services allow port redirection to any client on the network.

Recent reports from SSD suggest that MiniUPnPd service on the Aircube and Edge routers are vulnerable to an internal heap overflow that can lead potentially to execute arbitrary code.

CVE(s):

CVE-2023-31998: Heap Overflow in the miniupnpd leads to Arbitrary code execution

This vulnerability exists in the /etc/init.d/upnpd which exposes a dynamic TCP port to LAN clients, allowing threat actors to execute a heap overflow attack resulting in an arbitrary code execution.

The CVSS score and vector for this Edge Routers vulnerability are yet to be confirmed.

Vulnerability Details

Miniupnpd allows the configuration of NAT entries with a function called Internet Gateway Daemon. In Linux, the NAT entries are handled with the help of iptables or nftables. However, iptables used the function get_port_mappings_in_range function to get the external NAT entries and ports. 

Image: miniupnpd functionality diagram

The default allocation of array memory is set to 128 ports as the number of external port entries is not known in advance. If the entries exceed the number of port entries, the reallocation of memory is not updated accordingly, leading to a heap overflow.

SSD has published detailed information about this Edge Routers vulnerability.

Affected Products and Fixed Versions

A security advisory has also been published for this vulnerability.

Affected ProductsFixed in Versions
UPnP-enabled EdgeRouters running 2.0.9-hotfix.6 and earlier.Update affected EdgeRouters to 2.0.9-hotfix.7 or later.
UPnP-enabled Aircubes running 2.8.8 and earlier.Update affected Aircubes to 2.8.9 or later.

Users of these products are advised to upgrade to the latest versions to fix this vulnerability and prevent threat actors.

“AI-based email security measures Protect your business From Email Threats!” – .

Website

Latest articles

Sleepy Pickle Exploit Let Attackers Exploit ML Models And Attack End-Users

Hackers are targeting, attacking, and exploiting ML models. They want to hack into these...

SolarWinds Serv-U Vulnerability Let Attackers Access sensitive files

SolarWinds released a security advisory for addressing a Directory Traversal vulnerability which allows a...

Smishing Triad Hackers Attacking Online Banking, E-Commerce AND Payment Systems Customers

Hackers often attack online banking platforms, e-commerce portals, and payment systems for illicit purposes.Resecurity...

Threat Actor Claiming Leak Of 5 Million Ecuador’s Citizen Database

A threat actor has claimed responsibility for leaking the personal data of 5 million...

Ascension Hack Caused By an Employee Who Downloaded a Malicious File

Ascension, a leading healthcare provider, has made significant strides in its investigation and recovery...

AWS Announced Malware Detection Tool For S3 Buckets

Amazon Web Services (AWS) has announced the general availability of Amazon GuardDuty Malware Protection...

Hackers Exploiting MS Office Editor Vulnerability to Deploy Keylogger

Researchers have identified a sophisticated cyberattack orchestrated by the notorious Kimsuky threat group.The...
Eswar
Eswar
Eswar is a Cyber security content editor with a passion for creating captivating and informative content. With years of experience under his belt in Cyber Security, he is covering Cyber Security News, technology and other news.

Free Webinar

API Vulnerability Scanning

71% of the internet traffic comes from APIs so APIs have become soft targets for hackers.Securing APIs is a simple workflow provided you find API specific vulnerabilities and protect them.In the upcoming webinar, join Vivek Gopalan, VP of Products at Indusface as he takes you through the fundamentals of API vulnerability scanning..
Key takeaways include:

  • Scan API endpoints for OWASP API Top 10 vulnerabilities
  • Perform API penetration testing for business logic vulnerabilities
  • Prioritize the most critical vulnerabilities with AcuRisQ
  • Workflow automation for this entire process

Related Articles