A malicious source package could write files outside the unpack directory.. =========================================================================Ubuntu Security Notice USN-5446-2 May 30, 2022 dpkg vulnerability ========================================================================= A security issue affects these releases of Ubuntu and its derivatives: - Ubuntu 16.04 ESM Summary: A malicious source package could write files outside the unpack directory. Software Description: - dpkg: Debian package management system Details: USN-5446-1 fixed a vulnerability in dpkg. This update provides the corresponding update for Ubuntu 16.04 ESM. Original advisory details: Max Justicz discovered that dpkg incorrectly handled unpacking certain source packages. If a user or an automated system were tricked into unpacking a specially crafted source package, a remote attacker could modify files outside the target unpack directory, leading to a denial of service or potentially gaining access to the system. Update instructions: The problem can be corrected by updating your system to the following package versions: Ubuntu 16.04 ESM: dpkg 1.18.4ubuntu1.7+esm1 libdpkg-perl 1.18.4ubuntu1.7+esm1 In general, a standard system update will make all the necessary changes. References: https://ubuntu.com/security/notices/USN-5446-2 https://ubuntu.com/security/notices/USN-5446-1 CVE-2022-1664 . Mitigating dpkg security flaw in Ubuntu 16.04 ESM which enables adversarial packages to modify files beyond the designated unpack area.. Ubuntu Security, dpkg Vulnerability, System Update, Software Management. . LinuxSecurity.com Team
A malicious source package could write files outside the unpack directory.. =========================================================================Ubuntu Security Notice USN-2183-1 April 28, 2014 dpkg vulnerability ========================================================================= A security issue affects these releases of Ubuntu and its derivatives: - Ubuntu 14.04 LTS - Ubuntu 13.10 - Ubuntu 12.10 - Ubuntu 12.04 LTS - Ubuntu 10.04 LTS Summary: A malicious source package could write files outside the unpack directory. Software Description: - dpkg: Debian package management system Details: Jakub Wilk discovered that dpkg incorrectly certain paths and symlinks when unpacking source packages. If a user or an automated system were tricked into unpacking a specially crafted source package, a remote attacker could modify files outside the target unpack directory, leading to a denial of service or potentially gaining access to the system. Update instructions: The problem can be corrected by updating your system to the following package versions: Ubuntu 14.04 LTS: libdpkg-perl 1.17.5ubuntu5.1 Ubuntu 13.10: libdpkg-perl 1.16.12ubuntu1.1 Ubuntu 12.10: libdpkg-perl 1.16.7ubuntu6.1 Ubuntu 12.04 LTS: libdpkg-perl 1.16.1.2ubuntu7.3 Ubuntu 10.04 LTS: dpkg-dev 1.15.5.6ubuntu4.7 In general, a standard system update will make all the necessary changes. References: https://ubuntu.com/security/notices/USN-2183-1 CVE-2014-0471 Package Information: https://launchpad.net/ubuntu/+source/dpkg/1.17.5ubuntu5.1 https://launchpad.net/ubuntu/+source/dpkg/1.16.12ubuntu1.1 https://launchpad.net/ubuntu/+source/dpkg/1.16.7ubuntu6.1 https://launchpad.net/ubuntu/+source/dpkg/1.16.1.2ubuntu7.3 https://launchpad.net/ubuntu/+source/dpkg/1.15.5.6ubuntu4.7 . Ubuntu Security Alert USN-2184-1 released on May 5, 2014, addresses a kernel flawimpacting various versions, with resolution provided.. dpkg issue, ubuntu security, remote access, critical update, file access issue. . Severity: Critical. LinuxSecurity.com Team
Get the latest Linux and open source security news straight to your inbox.