If a malicious Flatpak app is run on a Linux virtual console such as /dev/tty1, it can copy text from the virtual console and paste it back into the virtual console's input buffer, from which the command might be run by the user's shell after the Flatpak app has exited. This is similar to CVE-2017-5226, but using the TIOCLINUX ioctl command instead . MGASA-2023-0115 - Updated flatpak packages fix security vulnerability Publication date: 24 Mar 2023 URL: https://advisories.mageia.org/MGASA-2023-0115.html Type: security Affected Mageia releases: 8 CVE: CVE-2023-28100, CVE-2023-28101 If a malicious Flatpak app is run on a Linux virtual console such as /dev/tty1, it can copy text from the virtual console and paste it back into the virtual console's input buffer, from which the command might be run by the user's shell after the Flatpak app has exited. This is similar to CVE-2017-5226, but using the TIOCLINUX ioctl command instead of TIOCSTI. (CVE-2023-28100) Flatpak app with elevated permissions mayhide those permissions from users of the 'flatpak(1)' command-line interface by setting other permissions to crafted values that contain non-printable control characters such as 'ESC'. (CVE-2023-28101) References: - https://bugs.mageia.org/show_bug.cgi?id=31688 - https://github.com/flatpak/flatpak/releases/tag/1.12.8 - https://www.openwall.com/lists/oss-security/2023/03/17/1 - https://www.openwall.com/lists/oss-security/2023/03/17/2 - https://www.cve.org/CVERecord?id=CVE-2023-28100 - https://www.cve.org/CVERecord?id=CVE-2023-28101 SRPMS: - 8/core/flatpak-1.12.8-1.mga8 . Revised flatpak updates address security flaws that permit text command injection through the virtual terminal. Discover additional details!. Flatpak Security, Mageia Release, Linux Vulnerability, Command Injection, Permissions Exploit. . LinuxSecurity.com Team
Esound, the Gnome sound server, contains a race condition that a malicioususer could exploit to change permissions of any file owned by the esounduser.. ` --------------------------------------------------------------------- Red Hat, Inc. Security Advisory Synopsis: esound contains a race condition Advisory ID: RHSA-2000:077-03 Issue date: 2000-10-06 Updated on: 2000-10-06 Product: Red Hat Linux Keywords: esound security esd socket Gnome Cross references: N/A --------------------------------------------------------------------- 1. Topic: Esound, the Gnome sound server, contains a race condition that a malicious user could exploit to change permissions of any file owned by the esound user. 2. Relevant releases/architectures: Red Hat Linux 6.0 - i386, alpha, sparc Red Hat Linux 6.1 - i386, alpha, sparc Red Hat Linux 6.2 - i386, alpha, sparc Red Hat Linux 6.2EE - i386, alpha, sparc Red Hat Linux 7.0 - i386 Red Hat Linux 7.0J - i386 3. Problem description: Esound, the sound daemon used for Gnome, creates a world-writable directory, /tmp/.esd. This directory is owned by the user running esound, and is used to store a socket which is used by programs connecting to the sound server. During startup, this socket's permissions are adjusted. An attacker on the system can theoretically create a symbolic link, and cause any file or directory owned by the user running esound to be made world writable. The new packages fixes this race condition. 4. Solution: For each RPM for your particular architecture, run: rpm -Fvh [filename] where filename is the name of the RPM. All active Gnome sessions should also be restarted after the upgrade is applied. 5. Bug IDs fixed ( for more info): N/A 6. RPMs required: Red Hat Linux 6.x: alpha: sparc: i386: sources: Red Hat Linux 7.0: i386: sources: 7. Verification: MD5 sum PackageName -------------------------------------------------------------------------- 4f7a81fe6b7f5a419272659b92d1dfc1 6.2/SRPMS/esound-0.2.20-0.src.rpm 648746086daa7bbc6bef00697e62bf51 6.2/alpha/esound-0.2.20-0.alpha.rpm 8a7dbf7dabbd7d9ca2861c1ecf2b2d5f 6.2/alpha/esound-devel-0.2.20-0.alpha.rpm 962fa1129804f2d8470e1767a352f77f 6.2/i386/esound-0.2.20-0.i386.rpm 784ec77026228d31d823e619c1de78d8 6.2/i386/esound-devel-0.2.20-0.i386.rpm 2127fdd7654b80506952dce08c3f5014 6.2/sparc/esound-0.2.20-0.sparc.rpm 0c191eee05a89dc0d12b3ca4981d2353 6.2/sparc/esound-devel-0.2.20-0.sparc.rpm 24f8e1b106500565e8426ad96150a001 7.0/SRPMS/esound-0.2.20-1.src.rpm a61209acb87ed7f4fa5b1d63d161c85d 7.0/i386/esound-0.2.20-1.i386.rpm 6b326c66d570ee59eda7c2daf0ab4721 7.0/i386/esound-devel-0.2.20-1.i386.rpm These packages are GPG signed by Red Hat, Inc. for security. Our key is available at: You can verify each package with the following command: rpm --checksig If you only wish to verify that each package has not been corrupted or tampered with, examine only the md5sum with the following command: rpm --checksig --nogpg 8. References: BugTraq ID: 1659 () Copyright(c) 2000 Red Hat, Inc. `. The weakness in Xsound enables unapproved users to alter file accessibility settings. Urgent patches are essential to maintain protection on Fedora systems.. Esound Exploit, Red Hat Linux, Permissions Management. . Severity: Important. LinuxSecurity.com Team
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