Chinese government hackers targeted US internet providers with zero-day exploit, researchers say
Reading Time: 2 minutesA group of hackers linked to the Chinese government used a previously unknown vulnerability in software to target U.S. internet service providers, security researchers have found.
The group known as Volt Typhoon was exploiting the zero-day flaw — meaning the software maker was unaware of it before having time to patch — in Versa Director, a piece of software made by Versa Networks, according to researchers at Black Lotus Labs, which is part of cybersecurity firm Lumen.
Versa sells software to manage network configurations, and is used by internet service providers (ISPs) and managed service providers (MSPs), which makes Versa ‘a critical and attractive target’ for hackers, the researchers wrote in a report published on Tuesday.
This is the latest discovery of hacking activities carried out by Volt Typhoon, a group that is believed to be working for the Chinese government. The group focuses on targeting critical infrastructure, including communication and telecom networks, with the goal of causing ‘real-world harm’ in the event of a future conflict with the United States. U.S. government officials testified earlier this year that the hackers aim to disrupt any U.S. military response in a future anticipated invasion of Taiwan.
‘This wasn’t limited to just telecoms, but managed service providers and internet service providers,’ said Horka. ‘These central locations that they can go after, which then provide additional access.’ Horka said these internet and networking companies are targets themselves, ‘very likely because of the access that they could potentially provide to additional downstream customers.’
Horka said he found four victims in the United States, two ISPs, one MSP and an IT provider; and one victim outside of the U.S., an ISP in India. Black Lotus Labs did not name the victims.
‘Versa confirmed the vulnerability and issued an emergency patch at that time. We have since issued a comprehensive patch and distributed this to all customers,’ said Maier, adding that researchers warned the company of the flaw in late June.
Black Lotus Labs said it alerted the U.S. cybersecurity agency CISA of the zero-day vulnerability and the hacking campaign. On Friday, CISA added the zero-day to its list of vulnerabilities that are known to have been exploited. The agency warned that ‘these types of vulnerabilities are frequent attack vectors for malicious cyber actors and pose significant risks to the federal enterprise.’
Ref: techcrunch
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