Ispravljen je sigurnosni nedostatak otkriven u radu programskog paketa rsyslog. Udaljeni ga je napadač mogao iskoristiti za izvođenje napada uskraćivanja usluge.
Paket:
rsyslog 5.x
Operacijski sustavi:
Fedora 15
Kritičnost:
3.7
Problem:
pogreška u programskoj funkciji, preljev međuspremnika
Iskorištavanje:
udaljeno
Posljedica:
uskraćivanje usluga (DoS)
Rješenje:
programska zakrpa proizvođača
CVE:
CVE-2011-3200
Izvorni ID preporuke:
FEDORA-2011-12616
Izvor:
Fedora
Problem:
Nedostatak je posljedica prepisivanja spremnika na stogu u "parseLegacySyslogMsg".
Posljedica:
Napadaču spomenuti nedostatak omogućuje izvođenje DoS napada.
Rješenje:
Korisnicima se preporuča instalacija nove inačice.
--------------------------------------------------------------------------------
Fedora Update Notification
FEDORA-2011-12616
2011-09-13 04:20:51
--------------------------------------------------------------------------------
Name : rsyslog
Product : Fedora 15
Version : 5.8.5
Release : 1.fc15
URL : http://www.rsyslog.com/
Summary : Enhanced system logging and kernel message trapping daemon
Description :
Rsyslog is an enhanced, multi-threaded syslog daemon. It supports MySQL,
syslog/TCP, RFC 3195, permitted sender lists, filtering on any message part,
and fine grain output format control. It is compatible with stock sysklogd
and can be used as a drop-in replacement. Rsyslog is simple to set up, with
advanced features suitable for enterprise-class, encryption-protected syslog
relay chains.
--------------------------------------------------------------------------------
Update Information:
new upstream version 5.8.5 which fixes CVE-2011-3200
--------------------------------------------------------------------------------
ChangeLog:
* Tue Sep 6 2011 Tomas Heinrich <Ova e-mail adresa je zaštićena od spambota. Potrebno je omogućiti JavaScript da je vidite.> 5.8.5-1
- upgrade to new upstream version 5.8.5 (CVE-2011-3200)
- add systemd-units to BuildRequires for the _unitdir macro definition
* Tue Jun 28 2011 Tomas Heinrich <Ova e-mail adresa je zaštićena od spambota. Potrebno je omogućiti JavaScript da je vidite.> - 5.8.2-1
- upgrade to new upstream version 5.8.2
- use macro in unit file's path
- correct systemd scriptlets (#705829)
* Mon May 16 2011 Bill Nottingham <Ova e-mail adresa je zaštićena od spambota. Potrebno je omogućiti JavaScript da je vidite.> - 5.7.9-3
- combine triggers (as rpm will only execute one) - fixes upgrades (#699198)
--------------------------------------------------------------------------------
References:
[ 1 ] Bug #727644 - CVE-2011-3200 rsyslog: parseLegacySyslogMsg off-by-two
buffer overflow
https://bugzilla.redhat.com/show_bug.cgi?id=727644
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This update can be installed with the "yum" update program. Use
su -c 'yum update rsyslog' 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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