CVE-2009-1086

Description

Heap-based buffer overflow in the ldns_rr_new_frm_str_internal function in ldns 1.4.x allows remote attackers to cause a denial of service (memory corruption) and possibly execute arbitrary code via a DNS resource record (RR) with a long (1) class field (clas variable) and possibly (2) TTL field.

Category

6.4
CVSS
Severity: Medium
CVSS 2.0 •
EPSS 3.40% Top 15%
Vendor Advisory opensuse.org Vendor Advisory debian.org
Affected: n/a n/a
Published at:
Updated at:

References

Link Tags
http://secunia.com/advisories/35013 third party advisory
http://www.openwall.com/lists/oss-security/2009/03/24/4 mailing list
http://www.securityfocus.com/bid/34233 vdb entry
http://www.nlnetlabs.nl/svn/ldns/tags/release-1.5.0/Changelog
http://secunia.com/advisories/35065 third party advisory
http://www.nlnetlabs.nl/bugs/show_bug.cgi?id=232
http://lists.opensuse.org/opensuse-security-announce/2009-05/msg00000.html vendor advisory
http://www.debian.org/security/2009/dsa-1795 vendor advisory

Frequently Asked Questions

What is the severity of CVE-2009-1086?
CVE-2009-1086 has been scored as a medium severity vulnerability.
How to fix CVE-2009-1086?
To fix CVE-2009-1086, 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-2009-1086 being actively exploited in the wild?
It is possible that CVE-2009-1086 is being exploited or will be exploited in a near future based on public information. According to its EPSS score, there is a ~3% probability that this vulnerability will be exploited by malicious actors in the next 30 days.
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