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From CVE-2022-33679 to Unauthenticated Kerberoasting

On September 13, 2022, a new Kerberos vulnerability was published on the Microsoft Security Response Center’s security site.  It’s labeled as a Windows Kerberos Elevation of Privilege vulnerability and given the CVE ID CVE-2022-33679.  The MSRC page acknowledges James Forshaw of Google Project Zero for the disclosure and James published a detailed technical write-up of the vulnerability on Project Zero’s...
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Fortinet FortiNAC CVE-2022-39952 Deep-Dive and IOCs

Introduction On Thursday, 16 February 2023, Fortinet released a PSIRT that details CVE-2022-39952, a critical vulnerability affecting its FortiNAC product. This vulnerability, discovered by Gwendal Guégniaud of Fortinet, allows an unauthenticated attacker to write arbitrary files on the system and as a result obtain remote code execution in the context of the root user. Extracting the System Extracting the filesystems...
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VMware vRealize Log Insight VMSA-2023-0001 Technical Deep Dive

Introduction The recent VMware VMSA describes four new CVEs affecting VMware vRealize Log Insight, reported by ZDI. Three of these CVEs can be combined to give an attacker remote code execution as root. This vulnerability is exploitable in the default configuration for VMware vRealize Log Insight. We have successfully reproduced this exploit and would like to provide the technical details...
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VMware vRealize Log Insight VMSA-2023-0001 IOCs

Introduction The recent VMware VMSA describes four new CVEs affecting VMware vRealize Log Insight. Three of these CVEs can be combined to give an attacker remote code execution as root. This vulnerability is exploitable in the default configuration for VMware vRealize Log Insight. CVE-2022-31704: VMware vRealize Log Insight broken access control Vulnerability CVE-2022-31711: VMware vRealize Log Insight contains an Information...
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ManageEngine CVE-2022-47966 Technical Deep Dive

Introduction On January 10, 2023, ManageEngine released a security advisory for CVE-2022-47966 (discovered by Khoadha of Viettel Cyber Security) affecting a wide range of products. The vulnerability allows an attacker to gain remote code execution by issuing a HTTP POST request containing a malicious SAML response. This vulnerability is a result of  using an outdated version of Apache Santuario for...
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ManageEngine CVE-2022-47966 IOCs

Introduction The recent ManageEngine CVE-2022-47966 is a pre-authentication remote code execution vulnerability. Depending on the specific ManageEngine product, this vulnerability is exploitable if SAML single-sign-on is enabled or has ever been enabled. ManageEngine products are some of the most widely used across enterprises and perform business functions such as authentication, authorization, and identity management. Given the nature of these products, a vulnerability...
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