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March 25, 2023Severity Medium Analysis Summary GandCrab – a ransomware-as-a-service variant – was discovered in early 2018. At least five versions of GandCrab have been created since its […]March 25, 2023Severity Medium Analysis Summary NjRat is a Remote Access Trojan, which is found leveraging Pastebin to deliver a second-stage payload after initial infection. There are multiple […]March 24, 2023Severity Medium Analysis Summary CVE-2023-20113 Cisco SD-WAN vManage Software is vulnerable to cross-site request forgery, caused by improper validation of user-supplied input. By persuading an authenticated […]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 25, 2023Severity Medium Analysis Summary GandCrab – a ransomware-as-a-service variant – was discovered in early 2018. At least five versions of GandCrab have been created since its […]March 25, 2023Severity Medium Analysis Summary NjRat is a Remote Access Trojan, which is found leveraging Pastebin to deliver a second-stage payload after initial infection. There are multiple […]March 24, 2023Severity Medium Analysis Summary CVE-2023-20113 Cisco SD-WAN vManage Software is vulnerable to cross-site request forgery, caused by improper validation of user-supplied input. By persuading an authenticated […]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 –Phobos Ransomware – Active IOCs
August 16, 2021Rewterz Threat Advisory –CVE-2021-35936 – Apache Airflow Security Vulnerability
August 17, 2021
Severity
High
Analysis Summary
CVE-2021-3656 ; CVE-2021-3653
Linux Kernel is vulnerable to a denial of service, caused by improper input validation of the “virt_ext” VMCB field. By sending a specially crafted request, a locally authenticated attacker could exploit this vulnerability to cause the system to crash or obtain sensitive information from the physical memory.
Impact
- Denial of Services
Affected Vendors
- Linux
Affected Products
- Linux Kernel 4.13.0
- Linux Kernel 4.15
- Linux Kernel 4.14
- Linux Kernel 4.16
- Linux Kernel 4.17
- Linux Kernel 4.18
- Linux Kernel 4.19
- Linux Kernel 4.20
Remediation
Refer to this advisory for the patch, upgrade, or suggested workaround information.