Instituto Nacional de ciberseguridad. Sección Incibe
Instituto Nacional de Ciberseguridad. Sección INCIBE-CERT

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CVE-2011-3581

Severity CVSS v4.0:
Pending analysis
Type:
CWE-119 Buffer Errors
Publication date:
04/11/2011
Last modified:
11/04/2025

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.

Impact

Vector 2.0
AV:N/AC:M/Au:N/C:P/I:P/A:P CVSS v2.0 Severity and Metrics:

Base Score: 6.80 MEDIUM
Vector: AV:N/AC:M/Au:N/C:P/I:P/A:P

Attack Vector (AV): Network
Attack Complexity (AC): Medium
Authentication (Au): None
Confidentiality (C): Physical
Integrity (I): Physical
Availability (A): Physical

Base Score 2.0
6.80
Severity 2.0
MEDIUM

Vulnerable products and versions

CPE From Up to
cpe:2.3:a:nlnetlabs:ldns:*:*:*:*:*:*:*:* 1.6.10 (including)
cpe:2.3:a:nlnetlabs:ldns:0.50:*:*:*:*:*:*:*
cpe:2.3:a:nlnetlabs:ldns:0.60:*:*:*:*:*:*:*
cpe:2.3:a:nlnetlabs:ldns:0.65:*:*:*:*:*:*:*
cpe:2.3:a:nlnetlabs:ldns:0.66:*:*:*:*:*:*:*
cpe:2.3:a:nlnetlabs:ldns:0.70:*:*:*:*:*:*:*
cpe:2.3:a:nlnetlabs:ldns:1.0.0:*:*:*:*:*:*:*
cpe:2.3:a:nlnetlabs:ldns:1.1.0:*:*:*:*:*:*:*
cpe:2.3:a:nlnetlabs:ldns:1.2.0:*:*:*:*:*:*:*
cpe:2.3:a:nlnetlabs:ldns:1.2.1:*:*:*:*:*:*:*
cpe:2.3:a:nlnetlabs:ldns:1.2.2:*:*:*:*:*:*:*
cpe:2.3:a:nlnetlabs:ldns:1.3:*:*:*:*:*:*:*
cpe:2.3:a:nlnetlabs:ldns:1.4.0:*:*:*:*:*:*:*
cpe:2.3:a:nlnetlabs:ldns:1.4.1:*:*:*:*:*:*:*
cpe:2.3:a:nlnetlabs:ldns:1.5.0:*:*:*:*:*:*:*

To consult the complete list of CPE names with products and versions, see this page


References to Advisories, Solutions, and Tools