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Last updated: 3/3/2015 7:52:47 AM

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Vulnerability Summary for CVE-2009-1086

Original release date: 03/25/2009
Last revised: 05/15/2009


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.


CVSS Severity (version 2.0):
CVSS v2 Base Score: 6.4 (MEDIUM) (AV:N/AC:L/Au:N/C:N/I:P/A:P) (legend)
Impact Subscore: 4.9
Exploitability Subscore: 10.0
CVSS Version 2 Metrics:
Access Vector: Network exploitable
Access Complexity: Low
Authentication: Not required to exploit
Impact Type: Allows unauthorized modification; Allows disruption of service

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External Source: MLIST
Name: [oss-security] 20090324 CVE id request: ldns
External Source: DEBIAN
Name: DSA-1795
External Source: BID
Name: 34233
External Source: MISC
Name: http://www.nlnetlabs.nl/bugs/show_bug.cgi?id=232
External Source: CONFIRM
Name: http://www.nlnetlabs.nl/svn/ldns/tags/release-1.5.0/Changelog
External Source: SUSE
Name: SUSE-SR:2009:010

Vulnerable software and versions

+ Configuration 1
+ OR
* cpe:/a:nlnetlabs:ldns:1.4.1
* cpe:/a:nlnetlabs:ldns:1.4.0

* Denotes Vulnerable Software
Changes related to vulnerability configurations

Technical Details

Vulnerability Type (View All)
  • Resource Management Errors (CWE-399)