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 ...

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-2021-23838

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...

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...

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...

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 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...

openSUSE: Security Advisory for binutils (openSUSE-SU-2021:3616-1)

The remote host is missing an update for the Copyright C 2021 Greenbone Networks GmbH Some text descriptions might be excerpted from a referenced sources, and are Copyright C by the respective right holders. SPDX-License-Identifier: GPL-2.0-or-later This program is free software; you can...

openSUSE 15 Security Update : binutils (openSUSE-SU-2021:3616-1)

The remote openSUSE 15 host has packages installed that are affected by multiple vulnerabilities as referenced in the openSUSE-SU-2021:3616-1 advisory. Update to binutils 2.37: The GNU Binutils sources now requires a C99 compiler and library to build. Support for Realm Management Extension RME fo...

SUSE SLED15: binutils / binutils-devel / binutils-devel-32bit / binutils-gold / etc (SUSE-SU-2021:3616-1)

The remote SUSE Linux SLED15 / SLES15 / SLESSAP15 host has packages installed that are affected by multiple vulnerabilities as referenced in the SUSE-SU-2021:3616-1 advisory. Update to binutils 2.37: The GNU Binutils sources now requires a C99 compiler and library to build. Support for Realm...

Linux kernel array index out-of-bounds vulnerability

Linux kernel is a computer operating system kernel written in C and assembly language, POSIX-compliant, and distributed under the GNU General Public License. detachcapictr function in drivers/isdn/capi/kcapi.c in versions of Linux kernel prior to 5.14.15 is vulnerable to array index out-of-bounds...

CVE-2021-43396

In iconvdata/iso-2022-jp-3.c in the GNU C Library aka glibc 2.34, remote attackers can force iconv to emit a spurious '\0' character via crafted ISO-2022-JP-3 data that is accompanied by an internal state reset. This may affect data integrity in certain iconv use cases. NOTE: the vendor states "t...

CVE-2021-43396

In iconvdata/iso-2022-jp-3.c in the GNU C Library aka glibc 2.34, remote attackers can force iconv to emit a spurious '\0' character via crafted ISO-2022-JP-3 data that is accompanied by an internal state reset. This may affect data integrity in certain iconv use cases. NOTE: the vendor states "t...

SUSE-SU-2021:3616-1 Security update for binutils

This update for binutils fixes the following issues: Update to binutils 2.37: The GNU Binutils sources now requires a C99 compiler and library to build. Support for Realm Management Extension RME for AArch64 has been added. A new linker option '-z report-relative-reloc' for x86 ELF targets has be...

OPENSUSE-SU-2021:3616-1 Security update for binutils

This update for binutils fixes the following issues: Update to binutils 2.37: The GNU Binutils sources now requires a C99 compiler and library to build. Support for Realm Management Extension RME for AArch64 has been added. A new linker option '-z report-relative-reloc' for x86 ELF targets has be...