This article examines the security implications of the Model Context Protocol (MCP) sampling feature in the context of a widely used coding copilot application.
MCP is a standard for connecting large language model (LLM) applications to external data sources and tools. We show that, without proper safeguards, malicious MCP servers can exploit the sampling feature for a range of attacks. We demonstrate these risks in practice through three proof-of-concept (PoC) examples conducted within the coding copilot, and discuss strategies for effective prevention.
Read more…
Source: Palo Alto Unit 42
Sign up for the Cyber Security Review Newsletter
The latest cyber security news and insights delivered right to your inbox
Related:
- Kenya hit by record 860m cyber-attacks in a year
October 3, 2023
Kenya has witnessed an alarming surge in cyberattacks, with a staggering 860 million incidents recorded in the past year, according to the country’s communications regulator. The regulator has expressed concerns over the escalating frequency, sophistication, and scale of these cyber threats, particularly targeting Kenya’s critical information infrastructure. To put this into perspective, back in 2017, Kenya ...
- U.S. DoD’s Critical Infrastructure Is Dangerously Insecure
October 2, 2023
As simmering tensions in East Asia rise to a boil, the recent discovery of a Chinese penetration of the U.S. military’s telecommunication systems in Guam should be setting off alarm bells across the executive branch and in the halls of Congress. Though Chinese penetration of U.S. networks for espionage has been well documented for more than ...
- CISA Adds One Known Exploited Vulnerability to Catalog
October 2, 2023
CISA has added one new vulnerability to its Known Exploited Vulnerabilities Catalog, based on evidence of active exploitation. CVE-2023-5217 Google Chrome libvpx Heap Buffer Overflow Vulnerability These types of vulnerabilities are frequent attack vectors for malicious cyber actors and pose significant risks to the federal enterprise. Read more… Source: U.S. Cybersecurity and Infrastructure Security Agency
- CL0P Seeds ^_- Gotta Catch Em All!
September 29, 2023
The CL0P ransomware group recently began using torrents to distribute victim data after a successful campaign stealing data from thousands of companies. We’ll cover the reason for this shift in methodology and what this means for visibility to the outside world. CL0P has been one of the ransomware groups most actively posting data about their ...
- BunnyLoader, the newest Malware-as-a-Service
September 29, 2023
In early September, Zscaler ThreatLabz discovered a new Malware-as-a-Service (MaaS) threat called “BunnyLoader” being sold on various forums. BunnyLoader provides various functionalities such as downloading and executing a second-stage payload, stealing browser credentials and system information, and much more. BunnyLoader employs a keylogger to log keystrokes as and a clipper to monitor the victim’s clipboard and ...
- CISA Releases Three Industrial Control Systems Advisories
September 28, 2023
CISA released three Industrial Control Systems (ICS) advisories on September 28, 2023. These advisories provide timely information about current security issues, vulnerabilities, and exploits surrounding ICS. ICSA-23-271-01 Rockwell Automation PanelView 800 Read more… Source: U.S. Cybersecurity and Infrastructure Security Agency Related: CISA Adds One Known Exploited Vulnerability to Catalog