Mandriva Linux Security Advisory 2009-224 - Postfix 2.5 before 2.5.4 and 2.6 before 2.6-20080814 delivers to a mailbox file even when this file is not owned by the recipient, which allows local users to read e-mail messages by creating a mailbox file corresponding to another user's account name. This update provides a solution to this vulnerability. Packages for 2008.0 are being provided due to extended support for Corporate products.
fa6727c03f758e0239d74a2c09cded1f47d3b8f5ad4181c778be47b4ac8b4dbfMandriva Linux Security Advisory 2009-224 - Postfix 2.5 before 2.5.4 and 2.6 before 2.6-20080814 delivers to a mailbox file even when this file is not owned by the recipient, which allows local users to read e-mail messages by creating a mailbox file corresponding to another user's account name. This update provides a solution to this vulnerability.
484433b051fc58ba1b7f551d28aa47085b0e7f28d53fd1880c4b8aecfd1a1824Pardus Linux Security Advisory - Sebastian Krahmer has reported some security issues in Postfix, which can be exploited by malicious, local users to disclose potentially sensitive information and perform certain actions with escalated privileges.
09ba3aabe11ce628dd002e7e470cfaad9ac27bf2961b1c53674a2baa0abb20d2Gentoo Linux Security Advisory GLSA 200808-12 - Sebastian Krahmer of SuSE has found that Postfix allows to deliver mail to root-owned symlinks in an insecure manner under certain conditions. Normally, Postfix does not deliver mail to symlinks, except to root-owned symlinks, for compatibility with the systems using symlinks in /dev like Solaris. Furthermore, some systems like Linux allow to hardlink a symlink, while the POSIX.1-2001 standard requires that the symlink is followed. Depending on the write permissions and the delivery agent being used, this can lead to an arbitrary local file overwriting vulnerability (CVE-2008-2936). Furthermore, the Postfix delivery agent does not properly verify the ownership of a mailbox before delivering mail (CVE-2008-2937). Versions less than 2.5.3-r1 are affected.
d497bc162a46389e6722a35709f7ab1c3bd832aedc68b2878c475b7a46f79038SUSE Security Announcement - During a source code audit the SuSE Security-Team discovered a local privilege escalation bug as well as a mailbox ownership problem in postfix. The first bug allowed local users to execute arbitrary commands as root while the second one allowed local users to read other users mail.
81e5ad466814dd913906492cbc731965a6608acb67d8a6d24ce151ff5ae98b83
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