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Denis Excoffier discovered that the PAM MOTD module in Ubuntu did not correctly handle path permissions when creating user file stamps. A local attacker could exploit this to gain root privilieges.

USN-959-1 fixed vulnerabilities in PAM. This update provides the corresponding updates for Ubuntu 10.10. Original advisory details: Denis Excoffier discovered that the PAM MOTD module in Ubuntu did not correctly handle path permissions when creating user file stamps. A local attacker could exploit this to gain root privilieges.

It was discovered that FUSE could be tricked into incorrectly updating the mtab file when mounting filesystems. A local attacker, with access to use FUSE, could unmount arbitrary locations, leading to a denial of service.

USN-1045-1 fixed vulnerabilities in FUSE. This update to util-linux adds support for new options required by the FUSE update. Original advisory details: It was discovered that FUSE could be tricked into incorrectly updating the mtab file when mounting filesystems. A local attacker, with access to use FUSE, could unmount arbitrary locations, leading to a denial of service.

Sebastian Krahmer discovered that GDM did not properly drop privileges when handling the cache directories used to store users" dmrc and face icon files. This could allow a local attacker to change the ownership of arbitrary files, thereby gaining root privileges.

exim4: Exim mail transfer agent Exim could be made to run arbitrary code under some conditions.

foomatic-filters: OpenPrinting printer support - filters An attacker could send crafted input to Foomatic and cause it to run programs as the "lp" user.

update-manager: GNOME application that manages apt updates - update-notifier: Daemon which notifies about package updates Update Manager could be made to overwrite files as the administrator.

lightdm: Display Manager Several security issues were fixed in Light Display Manager.

This update for hostinfo, supportutils fixes the following issues: Security issues fixed for supportutils: - CVE-2018-19640: Fixed an issue where users could kill arbitrary processes . - CVE-2018-19638: Fixed an issue where users could overwrite arbitrary log files . - CVE-2018-19639: Fixed a code execution if run with -v . - CVE-2018-19637: Fixed an issue where static temporary filename could all ...


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