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Rewterz penetration testing services help organizations determine if a cyber attacker can gain access to their critical assets while giving them detailed insights of the overall business impact of a cyber attack.
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March 21, 2023Severity Medium Analysis Summary Rhadamanthys is a type of malware known as a stealer, which is designed to steal sensitive information from infected computers. It was […]March 21, 2023Severity High Analysis Summary The Mirai botnet is a type of malware that infects Internet of Things (IoT) devices, such as routers, security cameras, and other […]March 21, 2023Severity High Analysis Summary LockBit ransomware takes as little as five minutes to deploy the encryption routine on target systems once it lands on the victim […]Threat Insights
Before Rewterz got its start, the market was in dire need of a specialized and dedicated information security company. It was nearly impossible for businesses to find a trustworthy provider that could truly cover all of their bases. We wanted to meet this need, giving companies across the globe a chance to get ahead while knowing that their data is in good hands.
Connect with Us
Platform
Managed Security Services
Managed Penetration Testing
Rewterz penetration testing services help organizations determine if a cyber attacker can gain access to their critical assets while giving them detailed insights of the overall business impact of a cyber attack.
Resources
March 21, 2023Severity Medium Analysis Summary Rhadamanthys is a type of malware known as a stealer, which is designed to steal sensitive information from infected computers. It was […]March 21, 2023Severity High Analysis Summary The Mirai botnet is a type of malware that infects Internet of Things (IoT) devices, such as routers, security cameras, and other […]March 21, 2023Severity High Analysis Summary LockBit ransomware takes as little as five minutes to deploy the encryption routine on target systems once it lands on the victim […]Threat Insights
Before Rewterz got its start, the market was in dire need of a specialized and dedicated information security company. It was nearly impossible for businesses to find a trustworthy provider that could truly cover all of their bases. We wanted to meet this need, giving companies across the globe a chance to get ahead while knowing that their data is in good hands.
Connect with Us
Rewterz Threat Alert – Donot APT group Fresh Campaign – IOCs
March 11, 2021Rewterz Threat Alert – APT 32 Ocean Lotus – Active IOCs
March 12, 2021
Severity
Medium
Analysis Summary
CVE-2021-20269
Linux Kernel could allow a local authenticated attacker to obtain sensitive information, caused by incorrect permissions on vmcore-dmesg.txt file in kexec-tools. By sending a specially-crafted request, an attacker could exploit this vulnerability to obtain kernel internal information, and use this information to launch further attacks against the affected system.
CVE-2021-20261
Linux Kernel is vulnerable to a denial of service, caused by a race condition in the implementation of the floppy disk drive controller driver software. By sending multiple threads to open(“/dev/fdX”), a local attacker could exploit this vulnerability to cause system to crash.
Impact
- Information disclosure
- Denial of Service
Affected Vendors
Linux
Remediation
Refer to Linux advisory for the complete list of affected products and their respective patches.