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 22, 2023
Severity High Analysis Summary Ducktail Malware is a malicious program designed by hackers to infiltrate computers and networks globally. Ducktail malware is typically delivered through a […]September 22, 2023Severity Medium Analysis Summary First discovered in 2016, Revenge RAT is a remote access trojan (RAT) designed to give an attacker complete control over an infected […]September 22, 2023Severity High Analysis Summary The Konni APT (Advanced Persistent Threat) group is a cyber espionage group that has been active since at least 2014. It is […]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
September 22, 2023Severity High Analysis Summary Ducktail Malware is a malicious program designed by hackers to infiltrate computers and networks globally. Ducktail malware is typically delivered through a […]September 22, 2023Severity Medium Analysis Summary First discovered in 2016, Revenge RAT is a remote access trojan (RAT) designed to give an attacker complete control over an infected […]September 22, 2023Severity High Analysis Summary The Konni APT (Advanced Persistent Threat) group is a cyber espionage group that has been active since at least 2014. It is […]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 – Active IOCs
May 25, 2023Rewterz Threat Alert – An Emerging Ducktail Infostealer – Active IOCs
May 25, 2023
Severity
High
Analysis Summary
CVE-2023-33010 CVSS:9.8
Multiple Zyxel devices are vulnerable to a buffer overflow, caused by improper bounds checking by the ID processing function. By sending a specially crafted request, a remote attacker could overflow a buffer and execute arbitrary code or cause a denial of service condition on the system.
CVE-2023-33009 CVSS:9.8
Multiple Zyxel devices are vulnerable to a buffer overflow, caused by improper bounds checking by the notification function. By sending a specially crafted request, a remote attacker could overflow a buffer and execute arbitrary code or cause a denial of service condition on the system.
Impact
- Buffer Overflow
Indicators Of Compromise
CVE
- CVE-2023-33010
- CVE-2023-33009
Affected Vendors
Zyxel
Affected Products
- Zyxel ATP ZLD 4.32
- Zyxel USG FLEX ZLD 4.50
- Zyxel VPN ZLD 4.30
- Zyxel ATP 5.36 Patch 1
- Zyxel USG FLEX 5.36 Patch 1
- Zyxel USG FLEX 50(W) / USG20(W)-VPN 5.36 Patch 1
- Zyxel USG FLEX 50(W) / USG20(W)-VPN 4.25
- Zyxel VPN 5.36 Patch 1
- Zyxel ZyWALL/USG 4.25
- Zyxel ZyWALL/USG 4.73 Patch 1
Remediation
Refer to Zyxel Web site for patch, upgrade or suggested workaround information.