CVE-2009-1755

2022-10-0316:24:00

Debian Security Bug Tracker

security-tracker.debian.org

cve-2009-1755

buffer overflow

denial of service

remote attackers

arbitrary code

nsd

packet.c

query.c

unix

5 Medium

CVSS2

Attack Vector

NETWORK

Attack Complexity

LOW

Authentication

NONE

Confidentiality Impact

NONE

Integrity Impact

NONE

Availability Impact

PARTIAL

AV:N/AC:L/Au:N/C:N/I:N/A:P

0.015 Low

EPSS

Percentile

87.1%

JSON

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.

OSVersionArchitecturePackageVersionFilename
Debian12allnsd< 2.3.7-3nsd_2.3.7-3_all.deb
Debian11allnsd< 2.3.7-3nsd_2.3.7-3_all.deb
Debian999allnsd< 2.3.7-3nsd_2.3.7-3_all.deb
Debian13allnsd< 2.3.7-3nsd_2.3.7-3_all.deb

OS	Version	Architecture	Package	Version	Filename
Debian	12	all	nsd	< 2.3.7-3	nsd_2.3.7-3_all.deb
Debian	11	all	nsd	< 2.3.7-3	nsd_2.3.7-3_all.deb
Debian	999	all	nsd	< 2.3.7-3	nsd_2.3.7-3_all.deb
Debian	13	all	nsd	< 2.3.7-3	nsd_2.3.7-3_all.deb