CVE-2009-1086

critical

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.

References

http://www.securityfocus.com/bid/34233

http://www.openwall.com/lists/oss-security/2009/03/24/4

http://www.nlnetlabs.nl/svn/ldns/tags/release-1.5.0/Changelog

http://www.nlnetlabs.nl/bugs/show_bug.cgi?id=232

http://www.debian.org/security/2009/dsa-1795

http://secunia.com/advisories/35065

http://secunia.com/advisories/35013

http://lists.opensuse.org/opensuse-security-announce/2009-05/msg00000.html

Details

Source: Mitre, NVD

Published: 2009-03-25

Updated: 2009-05-15

Risk Information

CVSS v2

Base Score: 6.4

Vector: CVSS2#AV:N/AC:L/Au:N/C:N/I:P/A:P

Severity: Medium

CVSS v3

Base Score: 9.8

Vector: CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Severity: Critical