Bug 769822 (CVE-2011-4623) - CVE-2011-4623 rsyslog: DoS due integer signedness error while extending rsyslog counted string buffer
Summary: CVE-2011-4623 rsyslog: DoS due integer signedness error while extending rsysl...
Keywords:
Status: CLOSED ERRATA
Alias: CVE-2011-4623
Product: Security Response
Classification: Other
Component: vulnerability
Version: unspecified
Hardware: All
OS: Linux
medium
medium
Target Milestone: ---
Assignee: Red Hat Product Security
QA Contact:
URL:
Whiteboard:
Depends On: 769025
Blocks: 784298
TreeView+ depends on / blocked
 
Reported: 2011-12-22 12:09 UTC by Jan Lieskovsky
Modified: 2019-09-29 12:49 UTC (History)
3 users (show)

Fixed In Version:
Doc Type: Bug Fix
Doc Text:
Clone Of:
Environment:
Last Closed: 2012-06-21 04:01:03 UTC


Attachments (Terms of Use)


Links
System ID Priority Status Summary Last Updated
Red Hat Product Errata RHSA-2012:0796 normal SHIPPED_LIVE Moderate: rsyslog security, bug fix, and enhancement update 2012-06-19 19:29:32 UTC

Description Jan Lieskovsky 2011-12-22 12:09:52 UTC
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

Comment 1 Jan Lieskovsky 2011-12-22 12:13:12 UTC
This issue did NOT affect the version of rsyslog package, as shipped with Red Hat Enterprise Linux 5.

--

This issue affects the version of the rsyslog package, as shipped with Red Hat Enterprise Linux 6.

--

This issue did NOT affect the versions of the rsyslog package, as shipped with Fedora release of 15 and 16.

Comment 2 Jan Lieskovsky 2011-12-22 12:22:40 UTC
CVE request:
[3] http://www.openwall.com/lists/oss-security/2011/12/22/1

Comment 3 Kurt Seifried 2011-12-22 15:58:13 UTC
Please use CVE-2011-4623 for this issue as per http://www.openwall.com/lists/oss-security/2011/12/22/2

Comment 5 errata-xmlrpc 2012-06-20 06:58:52 UTC
This issue has been addressed in following products:

  Red Hat Enterprise Linux 6

Via RHSA-2012:0796 https://rhn.redhat.com/errata/RHSA-2012-0796.html

Comment 7 Huzaifa S. Sidhpurwala 2012-06-21 04:01:03 UTC
Statement:

(none)


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