CVE-2021-43413

An issue was discovered in GNU Hurd before 0.9 20210404-9. A single pager port is shared among everyone who mmaps a file, allowing anyone to modify any files that they can read. This can be trivially exploited to get full root access...

CVE-2021-43413

An issue was discovered in GNU Hurd before 0.9 20210404-9. A single pager port is shared among everyone who mmaps a file, allowing anyone to modify any files that they can read. This can be trivially exploited to get full root access...

CVE-2021-43414

An issue was discovered in GNU Hurd before 0.9 20210404-9. The use of an authentication protocol in the proc server is vulnerable to man-in-the-middle attacks, which can be exploited for local privilege escalation to get full root access...

CVE-2021-43414

An issue was discovered in GNU Hurd before 0.9 20210404-9. The use of an authentication protocol in the proc server is vulnerable to man-in-the-middle attacks, which can be exploited for local privilege escalation to get full root access...

CVE-2021-43414

CVE-2021-43414 affects GNU Hurd prior to version 0.9 20210404-9. The issue is in the authentication protocol used by the proc server, making it vulnerable to man-in-the-middle attacks and enabling local privilege escalation to obtain full root access. The connected PT-Security entry explicitly re...

CVE-2021-43411

CVE-2021-43411 affects GNU Hurd up to version 0.9 20210404-9. When attempting to exec a setuid executable, a window exists where the process has new privileges but still references the old task and is reachable via the old process port, enabling full root access according to the vulnerability des...

CVE-2021-43411

An issue was discovered in GNU Hurd before 0.9 20210404-9. When trying to exec a setuid executable, there's a window of time when the process already has the new privileges, but still refers to the old task and is accessible through the old process port. This can be exploited to get full root...

CVE-2021-43411

An issue was discovered in GNU Hurd before 0.9 20210404-9. When trying to exec a setuid executable, there's a window of time when the process already has the new privileges, but still refers to the old task and is accessible through the old process port. This can be exploited to get full root...

GNU Hurd security vulnerabilities

Gnu Hurd is a Gnu project replacement for the Unix kernel. A security vulnerability exists in GNU Hurd, which stems from the fact that in versions of GNU Hurd prior to 0.9 20210404-9 each person who maps a file shares a page navigation port, allowing anyone to modify any file they can read. any...

GNU Hurd race condition vulnerabilities

Gnu Hurd is a Gnu project replacement for the Unix kernel. It is used to implement file systems, network protocols, file access control, and other features implemented by the Unix kernel or similar kernels such as Linux. A security vulnerability exists in GNU Hurd, which originated in GNU Hurd...

GNU Hurd authorization issue vulnerabilities

Gnu Hurd is a Gnu project replacement for the Unix kernel. It is used to implement the file system, network protocols, file access control, and other features implemented by the Unix kernel or similar kernels such as Linux. GNU Hurd suffers from a security vulnerability that stems from the use of...

Gnu Hurd resource management error vulnerability

Gnu Hurd is a Gnu Project replacement for the Unix kernel. Used to implement the file system, network protocols, file access control, and other features implemented by the Unix kernel or similar kernels such as Linux, GNU Hurd has a security vulnerability that could be exploited by an attacker to...

PT-2021-23840

Name of the Vulnerable Software and Affected Versions GNU Hurd versions prior to 0.9 20210404-9 Description An issue was discovered that allows anyone to modify any files they can read, potentially leading to full root access. This is because a single pager port is shared among all users who mmap...

PT-2021-23839

Name of the Vulnerable Software and Affected Versions GNU Hurd versions prior to 0.9 20210404-9 Description An issue in libports allows it to accept fake notification messages from any client on any port. This can lead to a port use-after-free situation, which can be exploited for local privilege...

PT-2021-23838

Name of the Vulnerable Software and Affected Versions GNU Hurd versions prior to 0.9 20210404-9 Description An issue was discovered that allows exploitation to gain full root access. This occurs when trying to exec a setuid executable, creating a window of time where the process has new privilege...

CVE-2021-43412: Use After Free

An issue was discovered in GNU Hurd before 0.9 20210404-9. libports accepts fake notification messages from any client on any port, which can lead to port use-after-free. This can be exploited for local privilege escalation to get full root access...

CVE-2021-43413: Undefined Security Weakness

An issue was discovered in GNU Hurd before 0.9 20210404-9. A single pager port is shared among everyone who mmaps a file, allowing anyone to modify any files that they can read. This can be trivially exploited to get full root access...

CVE-2021-43414: Improper Authentication

An issue was discovered in GNU Hurd before 0.9 20210404-9. The use of an authentication protocol in the proc server is vulnerable to man-in-the-middle attacks, which can be exploited for local privilege escalation to get full root access...

CVE-2021-43411: Concurrent Execution using Shared Resource with Improper Synchronization

An issue was discovered in GNU Hurd before 0.9 20210404-9. When trying to exec a setuid executable, there's a window of time when the process already has the new privileges, but still refers to the old task and is accessible through the old process port. This can be exploited to get full root...

PT-2021-23841 · Gnu Hurd · Gnu Hurd

Name of the Vulnerable Software and Affected Versions: GNU Hurd versions prior to 0.9 20210404-9 Description: An issue in the authentication protocol used by the proc server makes it vulnerable to man-in-the-middle attacks. This can be exploited for local privilege escalation, allowing attackers ...