Freebsd FreeBSD Competitive Conditions Problem Vulnerability

FreeBSD is a Unix-like operating system from the Freebsd Foundation. pts is a pseudo-terminal driver used in it. FreeBSD has a security vulnerability that can be exploited by an attacker to bypass access restrictions and read or modify data on the host system via jail attach...

PT-2021-11159

Name of the Vulnerable Software and Affected Versions: FreeBSD versions 12.2-STABLE before r369334 FreeBSD versions 11.4-STABLE before r369335 FreeBSD versions 12.2-RELEASE before p4 FreeBSD versions 11.4-RELEASE before p8 Description: The issue occurs when a process, such as jexec8 or killall1,...

CVE-2004-0126

The jailattach system call in FreeBSD 5.1 and 5.2 changes the directory of a calling process even if the process doesn't have permission to change directory, which allows local users to gain read/write privileges to files and directories within another jail...

FreeBSD jail_attach jail protection bypass

Process from one jail may enter into different jail via jailattach...

FreeBSD-SA-04:03.jail

-----BEGIN PGP SIGNED MESSAGE----- Hash: SHA1 ============================================================================= FreeBSD-SA-04:03.jail Security Advisory The FreeBSD Project Topic: Jailed processes can attach to other jails Category: core Module: kernel Announced: 2004-02-25 Credits: JA...

jailed processes can attach to other jails

A programming error has been found in the jailattach2 system call which affects the way that system call verifies the privilege level of the calling process. Instead of failing immediately if the calling process was already jailed, the jailattach system call would fail only after changing the...