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

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CVE-2009-1755

Severity CVSS v4.0:
Pending analysis
Type:
CWE-189 Numeric Errors
Publication date:
22/05/2009
Last modified:
09/04/2025

Description

Off-by-one error in the packet_read_query_section function in packet.c in nsd 3.2.1, and process_query_section in query.c in nsd 2.3.7, allows remote attackers to cause a denial of service (crash) and possibly execute arbitrary code via unspecified vectors that trigger a buffer overflow.

Impact

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

Base Score: 5.00 MEDIUM
Vector: AV:N/AC:L/Au:N/C:N/I:N/A:P

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

Base Score 2.0
5.00
Severity 2.0
MEDIUM

Vulnerable products and versions

CPE From Up to
cpe:2.3:a:nlnetlabs:nsd:2.0.0:*:*:*:*:*:*:*
cpe:2.3:a:nlnetlabs:nsd:2.0.1:*:*:*:*:*:*:*
cpe:2.3:a:nlnetlabs:nsd:2.0.2:*:*:*:*:*:*:*
cpe:2.3:a:nlnetlabs:nsd:2.1.0:*:*:*:*:*:*:*
cpe:2.3:a:nlnetlabs:nsd:2.1.1:*:*:*:*:*:*:*
cpe:2.3:a:nlnetlabs:nsd:2.1.2:*:*:*:*:*:*:*
cpe:2.3:a:nlnetlabs:nsd:2.1.3:*:*:*:*:*:*:*
cpe:2.3:a:nlnetlabs:nsd:2.1.4:*:*:*:*:*:*:*
cpe:2.3:a:nlnetlabs:nsd:2.1.5:*:*:*:*:*:*:*
cpe:2.3:a:nlnetlabs:nsd:2.2.0:*:*:*:*:*:*:*
cpe:2.3:a:nlnetlabs:nsd:2.2.1:*:*:*:*:*:*:*
cpe:2.3:a:nlnetlabs:nsd:2.3.0:*:*:*:*:*:*:*
cpe:2.3:a:nlnetlabs:nsd:2.3.2:*:*:*:*:*:*:*
cpe:2.3:a:nlnetlabs:nsd:2.3.3:*:*:*:*:*:*:*
cpe:2.3:a:nlnetlabs:nsd:2.3.4:*:*:*:*:*:*:*

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


References to Advisories, Solutions, and Tools