Vulnerabilities > CVE-2009-1755 - Numeric Errors vulnerability in Nlnetlabs NSD
Attack vector
NETWORK Attack complexity
LOW Privileges required
NONE Confidentiality impact
NONE Integrity impact
NONE Availability impact
PARTIAL Summary
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.
Vulnerable Configurations
Common Weakness Enumeration (CWE)
Nessus
NASL family FreeBSD Local Security Checks NASL id FREEBSD_PKG_37A8603D449411DEBEA7000C29A67389.NASL description NLnet Labs : A one-byte buffer overflow has been reported in NSD. The problem affects all versions 2.0.0 to 3.2.1. The bug allows a carefully crafted exploit to bring down your DNS server. It is highly unlikely that this one byte overflow can lead to other (system) exploits. last seen 2020-06-01 modified 2020-06-02 plugin id 38838 published 2009-05-20 reporter This script is Copyright (C) 2009-2019 and is owned by Tenable, Inc. or an Affiliate thereof. source https://www.tenable.com/plugins/nessus/38838 title FreeBSD : nsd -- buffer overflow vulnerability (37a8603d-4494-11de-bea7-000c29a67389) code #%NASL_MIN_LEVEL 80502 # # (C) Tenable Network Security, Inc. # # The descriptive text and package checks in this plugin were # extracted from the FreeBSD VuXML database : # # Copyright 2003-2018 Jacques Vidrine and contributors # # Redistribution and use in source (VuXML) and 'compiled' forms (SGML, # HTML, PDF, PostScript, RTF and so forth) with or without modification, # are permitted provided that the following conditions are met: # 1. Redistributions of source code (VuXML) must retain the above # copyright notice, this list of conditions and the following # disclaimer as the first lines of this file unmodified. # 2. Redistributions in compiled form (transformed to other DTDs, # published online in any format, converted to PDF, PostScript, # RTF and other formats) must reproduce the above copyright # notice, this list of conditions and the following disclaimer # in the documentation and/or other materials provided with the # distribution. # # THIS DOCUMENTATION IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS "AS IS" # AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, # THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR # PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS # BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, # OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT # OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR # BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, # WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE # OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS DOCUMENTATION, # EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. # include("compat.inc"); if (description) { script_id(38838); script_version("1.15"); script_cvs_date("Date: 2019/08/02 13:32:39"); script_cve_id("CVE-2009-1755"); script_name(english:"FreeBSD : nsd -- buffer overflow vulnerability (37a8603d-4494-11de-bea7-000c29a67389)"); script_summary(english:"Checks for updated packages in pkg_info output"); script_set_attribute( attribute:"synopsis", value: "The remote FreeBSD host is missing one or more security-related updates." ); script_set_attribute( attribute:"description", value: "NLnet Labs : A one-byte buffer overflow has been reported in NSD. The problem affects all versions 2.0.0 to 3.2.1. The bug allows a carefully crafted exploit to bring down your DNS server. It is highly unlikely that this one byte overflow can lead to other (system) exploits." ); # http://www.nlnetlabs.nl/publications/NSD_vulnerability_announcement.html script_set_attribute( attribute:"see_also", value:"http://www.nessus.org/u?e1d8bc1b" ); # https://vuxml.freebsd.org/freebsd/37a8603d-4494-11de-bea7-000c29a67389.html script_set_attribute( attribute:"see_also", value:"http://www.nessus.org/u?fea3e26c" ); script_set_attribute(attribute:"solution", value:"Update the affected packages."); script_set_cvss_base_vector("CVSS2#AV:N/AC:L/Au:N/C:N/I:N/A:P"); script_cwe_id(189); script_set_attribute(attribute:"plugin_type", value:"local"); script_set_attribute(attribute:"cpe", value:"p-cpe:/a:freebsd:freebsd:nsd"); script_set_attribute(attribute:"cpe", value:"p-cpe:/a:freebsd:freebsd:nsd2"); script_set_attribute(attribute:"cpe", value:"cpe:/o:freebsd:freebsd"); script_set_attribute(attribute:"vuln_publication_date", value:"2009/05/19"); script_set_attribute(attribute:"patch_publication_date", value:"2009/05/19"); script_set_attribute(attribute:"plugin_publication_date", value:"2009/05/20"); script_end_attributes(); script_category(ACT_GATHER_INFO); script_copyright(english:"This script is Copyright (C) 2009-2019 and is owned by Tenable, Inc. or an Affiliate thereof."); script_family(english:"FreeBSD Local Security Checks"); script_dependencies("ssh_get_info.nasl"); script_require_keys("Host/local_checks_enabled", "Host/FreeBSD/release", "Host/FreeBSD/pkg_info"); exit(0); } include("audit.inc"); include("freebsd_package.inc"); if (!get_kb_item("Host/local_checks_enabled")) audit(AUDIT_LOCAL_CHECKS_NOT_ENABLED); if (!get_kb_item("Host/FreeBSD/release")) audit(AUDIT_OS_NOT, "FreeBSD"); if (!get_kb_item("Host/FreeBSD/pkg_info")) audit(AUDIT_PACKAGE_LIST_MISSING); flag = 0; if (pkg_test(save_report:TRUE, pkg:"nsd<3.2.2")) flag++; if (pkg_test(save_report:TRUE, pkg:"nsd2<2.3.7_1")) flag++; if (flag) { if (report_verbosity > 0) security_warning(port:0, extra:pkg_report_get()); else security_warning(0); exit(0); } else audit(AUDIT_HOST_NOT, "affected");
NASL family Debian Local Security Checks NASL id DEBIAN_DSA-1803.NASL description Ilja van Sprundel discovered that a buffer overflow in NSD, an authoritative name service daemon, allowed to crash the server by sending a crafted packet, creating a denial of service. last seen 2020-06-01 modified 2020-06-02 plugin id 38869 published 2009-05-22 reporter This script is Copyright (C) 2009-2019 and is owned by Tenable, Inc. or an Affiliate thereof. source https://www.tenable.com/plugins/nessus/38869 title Debian DSA-1803-1 : nsd, nsd3 - buffer overflow code #%NASL_MIN_LEVEL 80502 # # (C) Tenable Network Security, Inc. # # The descriptive text and package checks in this plugin were # extracted from Debian Security Advisory DSA-1803. The text # itself is copyright (C) Software in the Public Interest, Inc. # include("compat.inc"); if (description) { script_id(38869); script_version("1.14"); script_cvs_date("Date: 2019/08/02 13:32:22"); script_cve_id("CVE-2009-1755"); script_bugtraq_id(35029); script_xref(name:"CERT", value:"710316"); script_xref(name:"DSA", value:"1803"); script_name(english:"Debian DSA-1803-1 : nsd, nsd3 - buffer overflow"); script_summary(english:"Checks dpkg output for the updated packages"); script_set_attribute( attribute:"synopsis", value:"The remote Debian host is missing a security-related update." ); script_set_attribute( attribute:"description", value: "Ilja van Sprundel discovered that a buffer overflow in NSD, an authoritative name service daemon, allowed to crash the server by sending a crafted packet, creating a denial of service." ); script_set_attribute( attribute:"see_also", value:"https://bugs.debian.org/cgi-bin/bugreport.cgi?bug=529418" ); script_set_attribute( attribute:"see_also", value:"https://bugs.debian.org/cgi-bin/bugreport.cgi?bug=529420" ); script_set_attribute( attribute:"see_also", value:"https://www.debian.org/security/2009/dsa-1803" ); script_set_attribute( attribute:"solution", value: "Upgrade the nsd or nsd3 package. For the old stable distribution (etch), this problem has been fixed in version 2.3.6-1+etch1 of the nsd package. For the stable distribution (lenny), this problem has been fixed in version 2.3.7-1.1+lenny1 of the nsd package and version 3.0.7-3.lenny2 of the nsd3 package." ); script_set_cvss_base_vector("CVSS2#AV:N/AC:L/Au:N/C:N/I:N/A:P"); script_set_cvss_temporal_vector("CVSS2#E:ND/RL:OF/RC:C"); script_set_attribute(attribute:"exploitability_ease", value:"No known exploits are available"); script_set_attribute(attribute:"exploit_available", value:"false"); script_cwe_id(189); script_set_attribute(attribute:"plugin_type", value:"local"); script_set_attribute(attribute:"cpe", value:"p-cpe:/a:debian:debian_linux:nsd"); script_set_attribute(attribute:"cpe", value:"p-cpe:/a:debian:debian_linux:nsd3"); script_set_attribute(attribute:"cpe", value:"cpe:/o:debian:debian_linux:4.0"); script_set_attribute(attribute:"cpe", value:"cpe:/o:debian:debian_linux:5.0"); script_set_attribute(attribute:"patch_publication_date", value:"2009/05/20"); script_set_attribute(attribute:"plugin_publication_date", value:"2009/05/22"); script_end_attributes(); script_category(ACT_GATHER_INFO); script_copyright(english:"This script is Copyright (C) 2009-2019 and is owned by Tenable, Inc. or an Affiliate thereof."); script_family(english:"Debian Local Security Checks"); script_dependencies("ssh_get_info.nasl"); script_require_keys("Host/local_checks_enabled", "Host/Debian/release", "Host/Debian/dpkg-l"); exit(0); } include("audit.inc"); include("debian_package.inc"); if (!get_kb_item("Host/local_checks_enabled")) audit(AUDIT_LOCAL_CHECKS_NOT_ENABLED); if (!get_kb_item("Host/Debian/release")) audit(AUDIT_OS_NOT, "Debian"); if (!get_kb_item("Host/Debian/dpkg-l")) audit(AUDIT_PACKAGE_LIST_MISSING); flag = 0; if (deb_check(release:"4.0", prefix:"nsd", reference:"2.3.6-1+etch1")) flag++; if (deb_check(release:"5.0", prefix:"nsd", reference:"2.3.7-1.1+lenny1")) flag++; if (deb_check(release:"5.0", prefix:"nsd3", reference:"3.0.7-3.lenny2")) flag++; if (flag) { if (report_verbosity > 0) security_warning(port:0, extra:deb_report_get()); else security_warning(0); exit(0); } else audit(AUDIT_HOST_NOT, "affected");