Pakistan-linked Malware Campaign Evolves to Target Windows, Android, and macOS

Threat actors with ties to Pakistan have been linked to a long-running malware campaign dubbed Operation Celestial Force since at least 2018. The activity, still ongoing, entails the use of an Android malware called GravityRAT and a Windows-based malware loader codenamed HeavyLift, according to...

New banking trojan “CarnavalHeist” targets Brazil with overlay attacks

Since February 2024, Cisco Talos has been observing an active campaign targeting Brazilian users with a new banking trojan called "CarnavalHeist." Many of the observed tactics, techniques and procedures TTPs are common among other banking trojans coming out of Brazil. This family has also been...

New Generative AI category added to Talos reputation services

Cisco Talos is preparing to release the first in a series of changes to our Web Categorization system, which is designed to simplify the verbiage we use. In mid-June, were adding a new "Generative AI" category that will apply to certain websites. The "Content Category" appears whenever a user...

AutomationDirect P3-550E Programming Software Connection scan_lib.bin library code injection vulnerability

Talos Vulnerability Report TALOS-2024-1943 AutomationDirect P3-550E Programming Software Connection scanlib.bin library code injection vulnerability May 28, 2024 CVE Number CVE-2024-23601 SUMMARY A code injection vulnerability exists in the scanlib.bin functionality of AutomationDirect P3-550E...

AutomationDirect P3-550E Programming Software Connection Remote Memory Diagnostics Write-What-Where vulnerability

Talos Vulnerability Report TALOS-2024-1940 AutomationDirect P3-550E Programming Software Connection Remote Memory Diagnostics Write-What-Where vulnerability May 28, 2024 CVE Number CVE-2024-22187 SUMMARY A write-what-where vulnerability exists in the Programming Software Connection Remote Memory...

Talos releases new macOS open-source fuzzer

Cisco Talos has developed a fuzzer that enables us to test macOS software on commodity hardware. Fuzzer utilizes a snapshot-based fuzzing approach and is based on WhatTheFuzz framework. Support for VM state extraction was implemented and WhatTheFuzz was extended to support the loading of VMWare...

CVE-2024-30312 TALOS-2024-1952 - Adobe Acrobat Reader Font CPAL numColorRecords out-of-bounds read vulnerability

Acrobat Reader versions 20.005.30574, 24.002.20736 and earlier Answer: are affected by an out-of-bounds read vulnerability that could lead to disclosure of sensitive memory. An attacker could leverage this vulnerability to bypass mitigations such as ASLR. Exploitation of this issue requires user...

CVE-2024-30311 TALOS-2024-1946 - Adobe Acrobat Reader Font gvar GlyphVariationData out-of-bounds read vulnerability

Acrobat Reader versions 20.005.30574, 24.002.20736 and earlier Answer: are affected by an out-of-bounds read vulnerability that could lead to disclosure of sensitive memory. An attacker could leverage this vulnerability to bypass mitigations such as ASLR. Exploitation of this issue requires user...

Talos joins CISA to counter cyber threats against non-profits, activists and other at-risk communities

Cisco Talos is delighted to share updates about our ongoing partnership with the U.S. Cybersecurity and Infrastructure Security Agency CISA to combat cybersecurity threats facing civil society organizations. Talos has partnered with CISA on several initiatives through the Joint Cyber Defense...

Talos discloses multiple zero-day vulnerabilities, two of which could lead to code execution

Cisco Talos Vulnerability Research team recently disclosed three zero-day vulnerabilities that are still unpatched as of Wednesday, May 8. Two vulnerabilities in this group -- one in the Tinyroxy HTTP proxy daemon and another in the stbvorbis.c file library -- could lead to arbitrary code...

Critical Tinyproxy Flaw Opens Over 50,000 Hosts to Remote Code Execution

More than 50% of the 90,310 hosts have been found exposing a Tinyproxy service on the internet that's vulnerable to a critical unpatched security flaw in the HTTP/HTTPS proxy tool. The issue, tracked as CVE-2023-49606, carries a CVSS score of 9.8 out of a maximum of 10, per Cisco Talos, which...

Vulnerabilities in employee management system could lead to remote code execution, login credential theft

Cisco Talos Vulnerability Research team has disclosed more than a dozen vulnerabilities over the past three weeks, five in a device that allows employees to check in and out of their shifts, and another that exists in an open-source library used in medical device imaging files. The Peplink Smart...

Tinyproxy HTTP request parsing uninitialized memory vulnerability

Talos Vulnerability Report TALOS-2023-1902 Tinyproxy HTTP request parsing uninitialized memory vulnerability May 1, 2024 CVE Number CVE-2023-40533 SUMMARY An uninitialized memory use vulnerability exists in Tinyproxy 1.11.1 while parsing HTTP requests. In certain configurations, a specially craft...

Milesight UR32L luci2-io file-import firmware update vulnerability

Talos Vulnerability Report TALOS-2023-1852 Milesight UR32L luci2-io file-import firmware update vulnerability May 1, 2024 CVE Number CVE-2023-47166 SUMMARY A firmware update vulnerability exists in the luci2-io file-import functionality of Milesight UR32L v32.3.0.7-r2. A specially crafted network...

Cisco Talos at RSAC 2024

With RSAC just a week away, Cisco Talos is gearing up for another year of heading to San Francisco to share in some of the latest major cybersecurity announcements, research and news. Weve pulled together the highlights, so you dont miss out on all things Talos. Tuesday, May 7 Joe Marshall will b...

Foxit Reader Lock object fields property type confusion vulnerability

Talos Vulnerability Report TALOS-2024-1963 Foxit Reader Lock object fields property type confusion vulnerability April 30, 2024 CVE Number CVE-2024-25575 SUMMARY A type confusion vulnerability vulnerability exists in the way Foxit Reader 2024.1.0.23997 handles a Lock object. A specially crafted...

Talos IR trends: BEC attacks surge, while weaknesses in MFA persist

Business email compromise BEC was the top threat observed by Cisco Talos Incident Response Talos IR in the first quarter of 2024, accounting for nearly half of engagements, which is more than double what was observed in the previous quarter. The most observed means of gaining initial access was t...

OfflRouter virus causes Ukrainian users to upload confidential documents to VirusTotal

During a threat-hunting exercise, Cisco Talos discovered documents with potentially confidential information originating from Ukraine. The documents contained malicious VBA code, indicating they may be used as lures to infect organizations. The results of the investigation have shown that the...

Cisco Warns of Global Surge in Brute-Force Attacks Targeting VPN and SSH Services

Cisco is warning about a global surge in brute-force attacks targeting various devices, including Virtual Private Network VPN services, web application authentication interfaces, and SSH services, since at least March 18, 2024. "These attacks all appear to be originating from TOR exit nodes and a...

Peplink Smart Reader /bin/login privilege escalation vulnerability

Talos Vulnerability Report TALOS-2023-1868 Peplink Smart Reader /bin/login privilege escalation vulnerability April 17, 2024 CVE Number CVE-2023-40146 SUMMARY A privilege escalation vulnerability exists in the /bin/login functionality of Peplink Smart Reader v1.2.0 in QEMU. A specially crafted...