U radu programskog paketasystemd uočena je nova sigurnosna ranjivost. Zloćudni korisnik može je iskoristiti za brisanje proizvoljnih datoteka na sustavu.
Paket:
systemd 17.x
Operacijski sustavi:
Fedora 17
Kritičnost:
4.1
Problem:
pogreška u programskoj komponenti
Iskorištavanje:
lokalno
Posljedica:
izmjena podataka
Rješenje:
programska zakrpa proizvođača
CVE:
CVE-2012-1174
Izvorni ID preporuke:
FEDORA-2012-6456
Izvor:
Fedora
Problem:
Propust je posljedica tzv. race uvjeta u komponenti "systemd-logind".
Posljedica:
Napadači mogu iskoristiti propust za izmjenu podataka na sustavu brisanjem proizvoljnih sistemskih datoteka.
Rješenje:
Svim se korisnicima savjetuje instalacija nadogradnje u kojoj je propust ispravljen.
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Fedora Update Notification
FEDORA-2012-6456
2012-04-24 03:08:58
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Name : systemd
Product : Fedora 17
Version : 44
Release : 6.fc17
URL : http://www.freedesktop.org/wiki/Software/systemd
Summary : A System and Service Manager
Description :
systemd is a system and service manager for Linux, compatible with
SysV and LSB init scripts. systemd provides aggressive parallelization
capabilities, uses socket and D-Bus activation for starting services,
offers on-demand starting of daemons, keeps track of processes using
Linux cgroups, supports snapshotting and restoring of the system
state, maintains mount and automount points and implements an
elaborate transactional dependency-based service control logic. It can
work as a drop-in replacement for sysvinit.
--------------------------------------------------------------------------------
Update Information:
This update fixes:
* a bug that could be exploited to delete arbitrary directories.
* F17 blocker bug 805942.
Forward-compatible short command names `loginctl`, `journalctl` were added.
--------------------------------------------------------------------------------
References:
[ 1 ] Bug #803358 - CVE-2012-1174 systemd (systemd-logind): TOCTOU race
condition by removing user session
https://bugzilla.redhat.com/show_bug.cgi?id=803358
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This update can be installed with the "yum" update program. Use
su -c 'yum update systemd' at the command line.
For more information, refer to "Managing Software with yum",
available at http://docs.fedoraproject.org/yum/.
All packages are signed with the Fedora Project GPG key. More details on the
GPG keys used by the Fedora Project can be found at
https://fedoraproject.org/keys
--------------------------------------------------------------------------------
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