CVE-2011-4623

Description

Integer overflow in the rsCStrExtendBuf function in runtime/stringbuf.c in the imfile module in rsyslog 4.x before 4.6.6, 5.x before 5.7.4, and 6.x before 6.1.4 allows local users to cause a denial of service (daemon hang) via a large file, which triggers a heap-based buffer overflow.

Category

2.1
CVSS
Severity: Low
CVSS 2.0 •
EPSS 0.09%
Vendor Advisory ubuntu.com Vendor Advisory secunia.com Vendor Advisory secunia.com
Affected: n/a n/a
Published at:
Updated at:

References

Link Tags
http://bugzilla.adiscon.com/show_bug.cgi?id=221
http://www.ubuntu.com/usn/USN-1338-1 patch vendor advisory
http://rsyslog.com/changelog-for-6-1-4-devel/
https://bugzilla.redhat.com/show_bug.cgi?id=769822
http://git.adiscon.com/?p=rsyslog.git%3Ba=commit%3Bh=6bad782f154b7f838c7371bf99c13f6dc4ec4101
http://www.securitytracker.com/id?1026556 vdb entry
http://rsyslog.com/changelog-for-5-7-4-v5-beta/
http://secunia.com/advisories/45848 third party advisory vendor advisory
http://www.securityfocus.com/bid/51171 vdb entry
http://secunia.com/advisories/47698 third party advisory vendor advisory
http://rsyslog.com/changelog-for-4-6-6-v4-stable/
http://www.openwall.com/lists/oss-security/2011/12/22/2 mailing list

Frequently Asked Questions

What is the severity of CVE-2011-4623?
CVE-2011-4623 has been scored as a low severity vulnerability.
How to fix CVE-2011-4623?
To fix CVE-2011-4623, make sure you are using an up-to-date version of the affected component(s) by checking the vendor release notes. As for now, there are no other specific guidelines available.
Is CVE-2011-4623 being actively exploited in the wild?
As for now, there are no information to confirm that CVE-2011-4623 is being actively exploited. According to its EPSS score, there is a ~0% probability that this vulnerability will be exploited by malicious actors in the next 30 days.
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