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:
- Tor blocked in Russia
December 8, 2021
The Tor browser, which allows users to surf the internet anonymously and access prohibited webpages, has been blocked across much of Russia, according to recent reports from an internet-monitoring group. The Open Observatory of Network Interference, or OONI, reported last week that Tor’s system of proxy servers in Russia had partly stopped working at around 5:21pm ...
- Play Your Cards Right: Detecting Wildcard DNS Abuse
December 1, 2021
The domain name system (DNS) maps names to addresses so that computers can communicate. The directions within the DNS exist largely in records where a specific name (such as paloaltonetworks.com) is mapped to pieces of data, such as IP addresses (for example, 34.107.151202). As the name suggests, wildcard DNS records are an exception to this ...
- Web trust dies in darkness: Hidden Certificate Authorities undermine public crypto infrastructure
November 19, 2021
Security researchers have checked the web’s public key infrastructure and have measured a long-known but little-analyzed security threat: hidden root Certificate Authorities. Certificate Authorities, or CAs, vouch for the digital certificates we use to establish trust online. You can be reasonably confident that your bank website is actually your bank website when it presents your browser ...
- FBI: An APT Group Exploiting a 0-day in FatPipe WARP, MPVPN, and IPVPN Software
November 17, 2021
As of November 2021, FBI forensic analysis indicated exploitation of a 0-day vulnerability in the FatPipe MPVPN® device software1 going back to at least May 2021. The vulnerability allowed APT actors to gain access to an unrestricted file upload function to drop a webshell for exploitation activity with root access, leading to elevated privileges and ...
- Security company faces backlash for waiting 12 months to disclose Palo Alto 0-day
November 12, 2021
There has been considerable debate within the cybersecurity community about Randori, a security firm that waited one year before disclosing a critical buffer overflow bug it discovered in Palo Alto Networks’ GlobalProtect VPN. The zero-day — which has a severity rating of 9.8 and was first reported by ZDNet — allows for unauthenticated, remote code execution ...
- Massive Zero-Day Hole Found in Palo Alto Security Appliances
November 10, 2021
UPDATE: Researchers have a working exploit for the vulnerability (now patched), which allows for unauthenticated RCE and affects what Palo Alto clarified is an estimated 10,000 VPN/firewalls. Researchers have developed a working exploit to gain remote code execution (RCE) via a massive vulnerability in a security appliance from Palo Alto Networks (PAN), potentially leaving 10,000 vulnerable ...