CVE-2011-3581

Description

Heap-based buffer overflow in the ldns_rr_new_frm_str_internal function in ldns before 1.6.11 allows remote attackers to cause a denial of service (crash) and possibly execute arbitrary code via a Resource Record (RR) with an unknown type containing input that is longer than a specified length.

Category

6.8
CVSS
Severity: Medium
CVSS 2.0 •
EPSS 4.07% Top 15%
Vendor Advisory fedoraproject.org Vendor Advisory fedoraproject.org Vendor Advisory fedoraproject.org Vendor Advisory opensuse.org Vendor Advisory secunia.com Vendor Advisory secunia.com
Affected: n/a n/a
Published at:
Updated at:

References

Link Tags
http://secunia.com/advisories/46476 third party advisory vendor advisory
http://www.securityfocus.com/bid/49748 vdb entry
http://seclists.org/oss-sec/2011/q3/542 mailing list
http://secunia.com/advisories/46470 third party advisory vendor advisory
http://seclists.org/oss-sec/2011/q3/503 mailing list
http://lists.fedoraproject.org/pipermail/package-announce/2011-October/068239.html vendor advisory
http://www.nlnetlabs.nl/bugs-script/show_bug.cgi?id=403
http://lists.fedoraproject.org/pipermail/package-announce/2011-October/068201.html vendor advisory
http://lists.fedoraproject.org/pipermail/package-announce/2011-October/068091.html vendor advisory
http://nlnetlabs.nl/svn/ldns/tags/release-1.6.11/Changelog
http://lists.opensuse.org/opensuse-security-announce/2011-10/msg00008.html vendor advisory

Frequently Asked Questions

What is the severity of CVE-2011-3581?
CVE-2011-3581 has been scored as a medium severity vulnerability.
How to fix CVE-2011-3581?
To fix CVE-2011-3581, 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-2011-3581 being actively exploited in the wild?
It is possible that CVE-2011-3581 is being exploited or will be exploited in a near future based on public information. According to its EPSS score, there is a ~4% probability that this vulnerability will be exploited by malicious actors in the next 30 days.
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