This threat brief is frequently updated as new threat intelligence is available for us to share. The full update log is at the end of this post and offers the fullest account of all changes made.
Updated April 19 to include information on observed levels of attempted exploitation and relative prevalence of those levels, with unsuccessful attempts and attempts to confirm the device is exploitable forming the majority of the activity observed. Palo Alto Networks and Unit 42 are engaged in tracking activity related to CVE-2024-3400 and are working with external researchers, partners and customers to share information transparently and rapidly.
Read more…
Source: Palo Alto Unit 42
Related:
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February 6, 2023
A free tool aims is helping organizations defend against KillNet distributed-denial-of-service (DDoS) bots and comes as the US government issued a warning that the Russian cybercrime gang is stepping up its network flooding attacks against hospitals and health clinics. At current count, the KillNet open proxy IP blocklist lists tens of thousands of proxy IP addresses ...
- Suspected Chinese Threat Actors Exploiting FortiOS Vulnerability (CVE-2022-42475)
January 19, 2023
Mandiant is tracking a suspected China-nexus campaign believed to have exploited a recently announced vulnerability in Fortinet’s FortiOS SSL-VPN, CVE-2022-42475, as a zero-day. Evidence suggests the exploitation was occurring as early as October 2022 and identified targets include a European government entity and a managed service provider located in Africa. Mandiant identified a new malware they ...
- Thousands of Sophos firewalls still vulnerable out there to hijacking
January 18, 2023
More than 4,000 public-facing Sophos firewalls remain vulnerable to a critical remote code execution bug disclosed last year and patched months later, according to security researchers. The flaw, CVE-2022-3236, had already been exploited as a zero-day when Sophos published a security advisory about the vulnerability in September 2022. At the time, the vendor said the hole ...
- Juniper Networks Releases Security Updates for Multiple Products
January 12, 2023
Juniper Networks has released security updates to address vulnerabilities affecting multiple products. An attacker could exploit some of these vulnerabilities to take control of an affected system. CISA encourages users and administrators to review Juniper Networks’ security advisories page and apply the necessary updates. Read more… Source: U.S. Cybersecurity and Infrastructure Security Agency
- How Did the FBI Get a Tor User’s IP Address?
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Polling the internet: what is the best way to de-anonymize a Tor user? Somebody over at the FBI definitely has a method, but they clearly aren’t planning on telling anybody anytime soon. Motherboard originally reported that the bureau has somehow managed to nab the IP address of an alleged criminal using Tor, short for “The Onion ...
- Fortinet: Government networks targeted with now-patched SSL-VPN zero-day
January 12, 2023
Fortinet says unknown attackers exploited a FortiOS SSL-VPN zero-day vulnerability patched last month in attacks against government organizations and government-related targets. The security flaw (CVE-2022-42475) abused in these incidents is a heap-based buffer overflow weakness found in the FortiOS SSLVPNd that allowed unauthenticated attackers to crash targeted devices remotely or gain remote code execution. The network security ...
