Ispravljena je ranjivost programskog paketa rsyslog za operacijski sustav Fedora. Ranjivost se nalazi u funkciji "parseLegacySyslogMsg" unutar datoteke tools/syslogd.c, a uzrokuje pojavu preljeva spremnika. Udaljenom napadaču je omogućeno izvođenje DoS napada korištenjem dugačkog TAG-a unutar syslog poruke. Savjetuje se nadogradnja paketa na noviju inačicu.

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Fedora Update Notification
FEDORA-2011-12282
2011-09-08 06:37:55
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Name : rsyslog
Product : Fedora 14
Version : 4.6.3
Release : 3.fc14
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.

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Update Information:

updated package which fixes CVE-2011-3200
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ChangeLog:

* Tue Sep 6 2011 Tomas Heinrich  4.6.3-3
- add patch to resolve buffer overflow (CVE-2011-3200)
* Thu Sep 9 2010 Tomas Heinrich  4.6.3-2
- build rsyslog with PIE and RELRO
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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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