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.
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Source: Palo Alto Unit 42
Related:
- CISA Issues Binding Operational Directive 23-01: Improving Asset Visibility and Vulnerability Detection on Federal Networks
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CISA has issued Binding Operational Directive (BOD) 23-01: Improving Asset Visibility and Vulnerability Detection on Federal Networks, which seeks improve asset visibility and vulnerability enumeration across the federal enterprise. Although BOD 23-01 is only applicable to federal civilian executive branch (FCEB) agencies, CISA recommends all stakeholders review and incorporate the standards it sets forth. Doing so ...
- Sophos fixes critical firewall hole exploited by miscreants
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A critical code-injection vulnerability in Sophos Firewall has been fixed — but not before miscreants found and exploited the bug. The flaw, tracked as CVE-2022-3236, exists in the User Portal and Webadmin components of the firewall in versions 19.0 and older. While it hasn’t been issued a CVSS severity score, Sophos deemed it “critical” and noted ...
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September 21, 2022
Cybercriminals compromise domain names to attack the owners or users of the domains directly, or use them for various nefarious endeavors, including phishing, malware distribution, and command and control (C2) operations. A special case of DNS hijacking is called domain shadowing, where attackers stealthily create malicious subdomains under compromised domain names. Shadowed domains do not ...
- MFA Fatigue: Hackers’ new favorite tactic in high-profile breaches
September 20, 2022
Hackers are more frequently using social engineering attacks to gain access to corporate credentials and breach large networks. One component of these attacks that is becoming more popular with the rise of multi-factor authentication is a technique called MFA Fatigue. When breaching corporate networks, hackers commonly use stolen employee login credentials to access VPNs and the ...
- Mirai Variant MooBot Targeting D-Link Devices
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In early August, Unit 42 researchers discovered attacks leveraging several vulnerabilities in devices made by D-Link, a company that specializes in network and connectivity products. The vulnerabilities exploited include: CVE-2015-2051: D-Link HNAP SOAPAction Header Command Execution Vulnerability CVE-2018-6530: D-Link SOAP Interface Remote Code Execution Vulnerability CVE-2022-26258: D-Link Remote Command Execution Vulnerability CVE-2022-28958: D-Link Remote Command Execution Vulnerability If the devices ...
- Two years on, Apple iOS VPNs still leak IP addresses
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Apple has left a VPN bypass vulnerability in iOS unfixed for at least two years, leaving identifying IP traffic data exposed, and there’s no sign of a fix. Back in early 2020, secure mail provider ProtonMail reported a flaw in Apple’s iOS version 13.3.1 that prevented VPNs from encrypting all traffic. The issue was that the ...
