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CVE Request -- rsyslog -- DoS due integer signedness error while extending rsyslog counted string buffer
From: Jan Lieskovsky <jlieskov () redhat com>
Date: Thu, 22 Dec 2011 13:19:18 +0100


An integer signedness error, leading to heap based buffer overflow was found in
the way the imfile module of rsyslog, an enhanced system logging and kernel
message trapping daemon, processed text files larger than 64 KB. When the
imfile rsyslog module was enabled, a local attacker could use this flaw to
cause denial of service (rsyslogd daemon hang) via specially-crafted message,
to be logged.

Upstream bug report:
[1] http://bugzilla.adiscon.com/show_bug.cgi?id=221

Upstream patch:
[2] http://git.adiscon.com/?p=rsyslog.git;a=commit;h=6bad782f154b7f838c7371bf99c13f6dc4ec4101

References:
[3] https://bugzilla.redhat.com/show_bug.cgi?id=769822

Could you allocate a CVE id for this?

Thank you && Regards, Jan.
--
Jan iankko Lieskovsky / Red Hat Security Response Team


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