UBUNTU-CVE-2021-27851

A security vulnerability that can lead to local privilege escalation has been found in ’guix-daemon’. It affects multi-user setups in which ’guix-daemon’ runs locally. The attack consists in having an unprivileged user spawn a build process, for instance with guix build, that makes its build...

USN-4875-1: OpenSMTPD vulnerabilities

It was discovered that OpenSMTPD incorrectly verified the sender's or receiver's e-mail addresses under certain conditions. An attacker could possibly use this vulnerability to execute arbitrary commands as root. CVE-2020-7247 It was discovered that OpenSMTPD did not properly handle hardlinks und...

USN-4875-1 opensmtpd vulnerabilities

It was discovered that OpenSMTPD incorrectly verified the sender's or receiver's e-mail addresses under certain conditions. An attacker could possibly use this vulnerability to execute arbitrary commands as root. CVE-2020-7247 It was discovered that OpenSMTPD did not properly handle hardlinks und...

USN-4294-1 OpenSMTPD vulnerabilities

It was discovered that OpenSMTPD mishandled certain input. A remote, unauthenticated attacker could use this vulnerability to execute arbitrary shell commands as any non-root user. CVE-2020-8794 It was discovered that OpenSMTPD did not properly handle hardlinks under certain conditions. An...

CVE-2019-1425

An elevation of privilege vulnerability exists when Visual Studio fails to properly validate hardlinks while extracting archived files, aka 'Visual Studio Elevation of Privilege Vulnerability'...

CVE-2019-1425

An elevation of privilege vulnerability exists when Visual Studio fails to properly validate hardlinks while extracting archived files, aka 'Visual Studio Elevation of Privilege Vulnerability'...

CVE-2019-1425

An elevation of privilege vulnerability exists when Visual Studio fails to properly validate hardlinks while extracting archived files, aka 'Visual Studio Elevation of Privilege Vulnerability'...

Visual Studio Elevation of Privilege Vulnerability

An elevation of privilege vulnerability exists when Visual Studio fails to properly validate hardlinks while extracting archived files. An attacker who successfully exploited this vulnerability could overwrite arbitrary files in the security context of the local system. To exploit this...

CVE-2019-11736

The Mozilla Maintenance Service does not guard against files being hardlinked to another file in the updates directory, allowing for the replacement of local files, including the Maintenance Service executable, which is run with privileged access. Additionally, there was a race condition during...

UBUNTU-CVE-2019-11736

The Mozilla Maintenance Service does not guard against files being hardlinked to another file in the updates directory, allowing for the replacement of local files, including the Maintenance Service executable, which is run with privileged access. Additionally, there was a race condition during...

DEBIAN-CVE-2019-13173

fstream before 1.0.12 is vulnerable to Arbitrary File Overwrite. Extracting tarballs containing a hardlink to a file that already exists in the system, and a file that matches the hardlink, will overwrite the system's file with the contents of the extracted file. The fstream.DirWriter function is...

CVE-2019-13173

fstream before 1.0.12 is vulnerable to Arbitrary File Overwrite. Extracting tarballs containing a hardlink to a file that already exists in the system, and a file that matches the hardlink, will overwrite the system's file with the contents of the extracted file. The fstream.DirWriter function is...

UBUNTU-CVE-2019-13173

fstream before 1.0.12 is vulnerable to Arbitrary File Overwrite. Extracting tarballs containing a hardlink to a file that already exists in the system, and a file that matches the hardlink, will overwrite the system's file with the contents of the extracted file. The fstream.DirWriter function is...

GHSA-XF7W-R453-M56C Arbitrary File Overwrite in fstream

Versions of fstream prior to 1.0.12 are vulnerable to Arbitrary File Overwrite. Extracting tarballs containing a hardlink to a file that already exists in the system and a file that matches the hardlink will overwrite the system's file with the contents of the extracted file. The fstream.DirWrite...

CVE-2018-20835

A vulnerability was found in tar-fs before 1.16.2. An Arbitrary File Overwrite issue exists when extracting a tarball containing a hardlink to a file that already exists on the system, in conjunction with a later plain file with the same name as the hardlink. This plain file content replaces the...

PT-2019-2860

Name of the Vulnerable Software and Affected Versions node-tar versions prior to 4.4.2 node-tar version 2.2.2 is not affected, but versions prior to 2.2.2 are affected Description The issue is related to incorrect link resolution before file access in the node-tar module of the Node.js library...

UBUNTU-CVE-2017-18188

OpenRC opentmpfiles through 0.1.3, when the fs.protectedhardlinks sysctl is turned off, allows local users to obtain ownership of arbitrary files by creating a hard link inside a directory on which "chown -R" will be run...

systemd (systemd-tmpfiles) < 236 - fs.protected_hardlinks=0 Local Privilege Escalation Vulnerabil

Exploit for linux platform in category local exploits Product: systemd systemd-tmpfiles Versions-affected: 236 and earlier Author: Michael Orlitzky Fixed-in: commit 5579f85 , version 237 Bug-report: https://github.com/systemd/systemd/issues/7736 Acknowledgments: Lennart Poettering who, instead of...

DEBIAN-CVE-2017-18078

systemd-tmpfiles in systemd before 237 attempts to support ownership/permission changes on hardlinked files even if the fs.protectedhardlinks sysctl is turned off, which allows local users to bypass intended access restrictions via vectors involving a hard link to a file for which the user lacks...

CVE-2015-3170

selinux-policy when sysctl fs.protectedhardlinks are set to 0 allows local users to cause a denial of service SSH login prevention by creating a hardlink to /etc/passwd from a directory named .config, and updating selinux-policy...