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Présentation : Mandriva Linux Security Advisory 2010-220 - The pam_xauth module did not verify the return values of the setuid and setgid system calls. A local, unprivileged user could use this flaw to execute the xauth command with root privileges and make it read an arbitrary input file. The pam_mail module used root privileges while accessing users' files. In certain configurations, a local, unprivileged user could use this flaw to obtain limited information about files or directories that they do not have access to. The pam_namespace module executed the external script namespace.init with an unchanged environment inherited from an application calling PAM. In cases where such an environment was untrusted for example, when pam_namespace was configured for setuid applications such as su or sudo , a local, unprivileged user could possibly use this flaw to escalate their privileges.
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- MDVSA-2010-231.txt
- FreeBSD-SA-10-09.pseudofs.txt
- appleds-memcorrupt.txt
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