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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 Advisory – CVE-2023-21778 – Microsoft Dynamics Vulnerability
February 20, 2023Rewterz Threat Advisory – Multiple Microsoft Windows Vulnerabilities
February 20, 2023
Severity
High
Analysis Summary
CVE-2022-38375 CVSS:9.1
Fortinet FortiNAC could allow a remote attacker to bypass security restrictions, caused by improper authorization. By sending a specially-crafted HTTP POST request, an attacker could exploit this vulnerability to carry out some administrative operations over the FortiNAC instance.
CVE-2022-40678 CVSS:7.4
Fortinet FortiNAC could allow a local attacker to obtain sensitive information, caused by insufficiently protected credentials. An attacker could exploit this vulnerability to obtain sensitive information, and use this information to launch further attacks against the affected system.
CVE-2022-39954 CVSS:7.3
Fortinet FortiNAC is vulnerable to an XML external entity injection (XXE) attack when processing XML data, caused by a weakly configured XML parser. By using specially-crafted XML content in the configuration file, a remote attacker could exploit this vulnerability to read arbitrary files, cause a denial of service, conduct an SSRF attack, or achieve other system impacts.
CVE-2022-40675 CVSS:6.5
Fortinet FortiNAC is vulnerable to a man-in-the-middle attack, caused by cryptographic issues. A remote attacker could exploit this vulnerability to launch a man-in-the-middle attack and gain access to the communication channel between endpoints to decrypt and forge protocol communication messages.
CVE-2022-38376 CVSS:6.1
Fortinet FortiNAC is vulnerable to cross-site scripting, caused by improper validation of user-supplied input by the FortiNAC portal UI. A remote attacker could exploit this vulnerability using a specially-crafted URL to execute script in a victim’s Web browser within the security context of the hosting Web site, once the URL is clicked. An attacker could use this vulnerability to steal the victim’s cookie-based authentication credentials.
CVE-2022-40677 CVSS:7.2
Fortinet FortiNAC could allow a remote authenticated attacker to execute arbitrary commands on the system, caused by improper neutralization of argument delimiters in a command. By sending a specially-crafted request, an attacker could exploit this vulnerability to execute arbitrary commands on the system.
CVE-2022-39952 CVSS:9.8
Fortinet FortiNAC could allow a remote attacker to execute arbitrary code on the system, caused by a external control of file name or path vulnerability. By sending a specially-crafted request, an attacker could exploit this vulnerability to execute arbitrary code on the system.
Impact
- Code Execution
- Security Bypass
- Information Disclosure
- Command Execution
- Unauthorized Access
- Cross-Site Scripting
Indicators Of Compromise
CVE
- CVE-2022-38375
- CVE-2022-40678
- CVE-2022-39954
- CVE-2022-40675
- CVE-2022-38376
- CVE-2022-40677
- CVE-2022-39952
Affected Vendors
Fortinet
Affected Products
- Fortinet FortiNAC 9.2.2
- Fortinet FortiNAC 9.4.0
- Fortinet FortiNAC 9.2.5
- Fortinet FortiNAC 9.4.1
- Fortinet FortiNAC 8.3
- Fortinet FortiNAC 8.5
- Fortinet FortiNAC 8.6
- Fortinet FortiNAC 8.7
- Fortinet FortiNAC 8.8
- Fortinet FortiNAC 9.1.0
- Fortinet FortiNAC 9.1.7
- Fortinet FortiNAC 9.2.0
- Fortinet FortiNAC 9.1
- Fortinet FortiNAC 9.2
Remediation
Refer to FortiGuard Advisory for patch, upgrade or suggested workaround information.