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CVE-2023-21693: Microsoft PostScript Printer Driver Information Disclosure Vulnerability

**What type of information could be disclosed by this vulnerability?** An attacker who successfully exploited the vulnerability could potentially read small portions of heap memory.

Microsoft Security Response Center
#vulnerability#web#microsoft#Microsoft PostScript Printer Driver#Security Vulnerability
CVE-2023-21691: Microsoft Protected Extensible Authentication Protocol (PEAP) Information Disclosure Vulnerability

**How could an attacker exploit this vulnerability?** An authenticated attacker could attack a Microsoft Protected Extensible Authentication Protocol (PEAP) Server by sending specially crafted malicious PEAP packets over the network.

CVE-2023-21690: Microsoft Protected Extensible Authentication Protocol (PEAP) Remote Code Execution Vulnerability

**How could an attacker exploit this vulnerability?** An unauthenticated attacker could attack a Microsoft Protected Extensible Authentication Protocol (PEAP) Server by sending specially crafted malicious PEAP packets over the network.

CVE-2023-21689: Microsoft Protected Extensible Authentication Protocol (PEAP) Remote Code Execution Vulnerability

**According to the CVSS metric, the attack vector is network (AV:N), and privilege required is low (PR:N), and user interaction is none (UI:N). What is the target used in the context of the remote code execution?** The attacker for this vulnerability could target the server accounts in an arbitrary or remote code execution and attempt to trigger malicious code in the context of the server's account through a network call. The attacker needs no privileges nor does the victim user need to perform and action.

CVE-2023-21685: Microsoft WDAC OLE DB provider for SQL Server Remote Code Execution Vulnerability

**How could an attacker exploit this vulnerability?** An attacker could exploit the vulnerability by tricking an authenticated user into attempting to connect to a malicious SQL server via OLEDB, which could result in the server receiving a malicious networking packet. This could allow the attacker to execute code remotely on the client.

CVE-2023-21692: Microsoft Protected Extensible Authentication Protocol (PEAP) Remote Code Execution Vulnerability

**How could an attacker exploit this vulnerability?** An unauthenticated attacker could attack a Microsoft Protected Extensible Authentication Protocol (PEAP) Server by sending specially crafted malicious PEAP packets over the network.

CVE-2023-21801: Microsoft PostScript Printer Driver Remote Code Execution Vulnerability

**According to the CVSS metric, the attack vector is local (AV:L). Why does the CVE title indicate that this is a remote code execution?** The word **Remote** in the title refers to the location of the attacker. This type of exploit is sometimes referred to as Arbitrary Code Execution (ACE). The attack itself is carried out locally. This means an attacker or victim needs to execute code from the local machine to exploit the vulnerability.

CVE-2023-21799: Microsoft WDAC OLE DB provider for SQL Server Remote Code Execution Vulnerability

**How could an attacker exploit this vulnerability?** An attacker could exploit the vulnerability by tricking an authenticated user into attempting to connect to a malicious SQL server via OLEDB, which could result in the server receiving a malicious networking packet. This could allow the attacker to execute code remotely on the client.

CVE-2023-21809: Microsoft Defender for Endpoint Security Feature Bypass Vulnerability

**According to the CVSS metric, user interaction is required (UI:R). What interaction would the user have to do?** A user needs to be tricked into running malicious files.

CVE-2023-21797: Microsoft ODBC Driver Remote Code Execution Vulnerability

**How could an attacker exploit this vulnerability?** An attacker could exploit the vulnerability by tricking an authenticated user into attempting to connect to a malicious SQL server via ODBC, which could result in the server receiving a malicious networking packet. This could allow the attacker to execute code remotely on the client.