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September 19, 2023
Severity High Analysis Summary A new information-stealing malware called Mystic Stealer emerged in April 2023, gaining popularity in cybercrime circles. It targets various web browsers, browser […]September 19, 2023Rewterz Threat Alert – BlackCat/ALPHV Ransomware Group Allegedly Encrypted Over 100 MGM ESXi Servers
Severity High Analysis Summary An affiliate of the BlackCat ransomware group, also known as APLHV, recently carried out a significant cyberattack on MGM Resorts, leading to […]September 19, 2023Severity High Analysis Summary APT37, also known as ScarCruft or Red Eyes, is a state-sponsored cyber espionage group originating from North Korea. The group has been […]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.
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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
September 19, 2023Severity High Analysis Summary A new information-stealing malware called Mystic Stealer emerged in April 2023, gaining popularity in cybercrime circles. It targets various web browsers, browser […]September 19, 2023Rewterz Threat Alert – BlackCat/ALPHV Ransomware Group Allegedly Encrypted Over 100 MGM ESXi Servers
Severity High Analysis Summary An affiliate of the BlackCat ransomware group, also known as APLHV, recently carried out a significant cyberattack on MGM Resorts, leading to […]September 19, 2023Severity High Analysis Summary APT37, also known as ScarCruft or Red Eyes, is a state-sponsored cyber espionage group originating from North Korea. The group has been […]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 – Latest Emotet – IoCs
October 15, 2020Rewterz Threat Advisory – CVE-2020-3991 – VMware Horizon Client for Windows
October 16, 2020
Severity
High
Analysis Summary
Updates are available to mitigate a serious flaw Google found in the Linux Bluetooth stack. A high-severity flaw was found in the Bluetooth stack in the Linux kernel versions below Linux 5.9 that support BlueZ. Improper input validation in BlueZ may allow an unauthenticated user to potentially enable escalation of privilege via adjacent access. BlueZ is found on Linux-based IoT devices and is the official Linux Bluetooth stack. Potential security vulnerabilities in BlueZ may allow escalation of privilege or information disclosure.BlueZ is releasing Linux kernel fixes to address these potential vulnerabilities.
CVE-2020-12351 – Improper input validation in BlueZ may allow an unauthenticated user to potentially enable escalation of privilege via adjacent access.
CVE-2020-12352 – Improper access control in BlueZ may allow an unauthenticated user to potentially enable information disclosure via adjacent access.
CVE-2020-24490 – Improper buffer restrictions in BlueZ may allow an unauthenticated user to potentially enable denial of service via adjacent access.
Impact
- Escalation of Privilege
- Information Disclosure
- Denial of Service
Affected Vendors
Linux
Affected Products
All Linux kernel versions before 5.10 that support BlueZ.
Remediation
Intel recommends updating the Linux kernel to version 5.10 or later.
If a kernel upgrade is not possible, Intel recommends the following kernel fixes to address these issues:
- https://lore.kernel.org/linux-bluetooth/20200806181714.3216076-1-luiz.dentz@gmail.com/
- https://lore.kernel.org/linux-bluetooth/20200806181714.3216076-2-luiz.dentz@gmail.com/
- https://lore.kernel.org/linux-bluetooth/20200806181714.3216076-3-luiz.dentz@gmail.com/
- https://lore.kernel.org/linux-bluetooth/20200806181714.3216076-4-luiz.dentz@gmail.com/
- https://git.kernel.org/pub/scm/linux/kernel/git/bluetooth/bluetooth-next.git/commit/?id=a2ec905d1e160a33b2e210e45ad30445ef26ce0e