This is the fourth zero-day exploit to be discovered in the wild by Kaspersky Lab’s Automatic Exploit Prevention technology. Kaspersky Lab reported the vulnerability, allocated CVE-2019-0797 to Microsoft, which has released a patch.
Zero-day vulnerabilities are previously unknown software bugs that can be exploited by attackers to breach a victim’s device and network. The new exploit uses a vulnerability in Microsoft Windows’ graphic subsystem to achieve local privilege escalation. This provides the attacker with full control over a victim’s computer. The malware sample examined by Kaspersky Lab researchers shows that the exploit targets OS versions Windows 8 to Windows 10.
The researchers believe the detected exploit could have be used by several threat actors including, but possibly not limited to, FruityArmor and SandCat. FruityArmor is known to have used zero-days in the past, while SandCat is a new threat actor discovered only recently.
“The discovery of a new Windows zero-day being actively exploited in the wild shows that such expensive and rare tools remain of great interest to threat actors, and organizations need security solutions that can protect against such unknown threats. It also reaffirms the importance of collaboration between the security industry and software developers: bug hunting, responsible disclosure and prompt patching are the best ways of keeping users safe from new and emerging threats,” – said Anton Ivanov, a security expert at Kaspersky Lab.
The exploited vulnerability was detected by Kaspersky Lab’s Automatic Exploit Prevention technology, embedded in most of the company’s products.
Kaspersky Lab products detect the exploit as:
Kaspersky Lab recommends taking the following security measures:
For further details on the new exploit see the report on Securelist.
To take a closer look at the technologies that detected this and other zero-days in Microsoft Windows, a recorded Kaspersky Lab webinar is available to view on demand.
About Kaspersky Lab
Kaspersky Lab is a global cybersecurity company, which has been operating in the market for over 21 years. Kaspersky Lab’s deep threat intelligence and security expertise is constantly transforming into next generation security solutions and services to protect businesses, critical infrastructure, governments and consumers around the globe. The company’s comprehensive security portfolio includes leading endpoint protection and a number of specialized security solutions and services to fight sophisticated and evolving digital threats. Over 400 million users are protected by Kaspersky Lab technologies and we help 270,000 corporate clients protect what matters most to them.
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