CVSS2
Attack Vector
NETWORK
Attack Complexity
LOW
Authentication
NONE
Confidentiality Impact
COMPLETE
Integrity Impact
COMPLETE
Availability Impact
COMPLETE
AV:N/AC:L/Au:N/C:C/I:C/A:C
AI Score
Confidence
Low
EPSS
Percentile
94.2%
The remote host is missing an update for the
# SPDX-FileCopyrightText: 2009 Greenbone AG
# Some text descriptions might be excerpted from (a) referenced
# source(s), and are Copyright (C) by the respective right holder(s).
#
# SPDX-License-Identifier: GPL-2.0-only
if(description)
{
script_oid("1.3.6.1.4.1.25623.1.0.64444");
script_cve_id("CVE-2009-0692");
script_tag(name:"creation_date", value:"2009-07-29 17:28:37 +0000 (Wed, 29 Jul 2009)");
script_version("2024-02-02T05:06:04+0000");
script_tag(name:"last_modification", value:"2024-02-02 05:06:04 +0000 (Fri, 02 Feb 2024)");
script_tag(name:"cvss_base", value:"10.0");
script_tag(name:"cvss_base_vector", value:"AV:N/AC:L/Au:N/C:C/I:C/A:C");
script_name("Ubuntu: Security Advisory (USN-803-1)");
script_category(ACT_GATHER_INFO);
script_copyright("Copyright (C) 2009 Greenbone AG");
script_family("Ubuntu Local Security Checks");
script_dependencies("gather-package-list.nasl");
script_mandatory_keys("ssh/login/ubuntu_linux", "ssh/login/packages", re:"ssh/login/release=UBUNTU(6\.06\ LTS|8\.04\ LTS|8\.10|9\.04)");
script_xref(name:"Advisory-ID", value:"USN-803-1");
script_xref(name:"URL", value:"https://ubuntu.com/security/notices/USN-803-1");
script_tag(name:"summary", value:"The remote host is missing an update for the 'dhcp3' package(s) announced via the USN-803-1 advisory.");
script_tag(name:"vuldetect", value:"Checks if a vulnerable package version is present on the target host.");
script_tag(name:"insight", value:"It was discovered that the DHCP client as included in dhcp3 did not verify
the length of certain option fields when processing a response from an IPv4
dhcp server. If a user running Ubuntu 6.06 LTS or 8.04 LTS connected to a
malicious dhcp server, a remote attacker could cause a denial of service or
execute arbitrary code as the user invoking the program, typically the
'dhcp' user. For users running Ubuntu 8.10 or 9.04, a remote attacker
should only be able to cause a denial of service in the DHCP client. In
Ubuntu 9.04, attackers would also be isolated by the AppArmor dhclient3
profile.");
script_tag(name:"affected", value:"'dhcp3' package(s) on Ubuntu 6.06, Ubuntu 8.04, Ubuntu 8.10, Ubuntu 9.04.");
script_tag(name:"solution", value:"Please install the updated package(s).");
script_tag(name:"solution_type", value:"VendorFix");
script_tag(name:"qod_type", value:"package");
exit(0);
}
include("revisions-lib.inc");
include("pkg-lib-deb.inc");
release = dpkg_get_ssh_release();
if(!release)
exit(0);
res = "";
report = "";
if(release == "UBUNTU6.06 LTS") {
if(!isnull(res = isdpkgvuln(pkg:"dhcp3-client", ver:"3.0.3-6ubuntu7.1", rls:"UBUNTU6.06 LTS"))) {
report += res;
}
if(!isnull(res = isdpkgvuln(pkg:"dhcp3-client-udeb", ver:"3.0.3-6ubuntu7.1", rls:"UBUNTU6.06 LTS"))) {
report += res;
}
if(report != "") {
security_message(data:report);
} else if(__pkg_match) {
exit(99);
}
exit(0);
}
if(release == "UBUNTU8.04 LTS") {
if(!isnull(res = isdpkgvuln(pkg:"dhcp3-client", ver:"3.0.6.dfsg-1ubuntu9.1", rls:"UBUNTU8.04 LTS"))) {
report += res;
}
if(!isnull(res = isdpkgvuln(pkg:"dhcp3-client-udeb", ver:"3.0.6.dfsg-1ubuntu9.1", rls:"UBUNTU8.04 LTS"))) {
report += res;
}
if(report != "") {
security_message(data:report);
} else if(__pkg_match) {
exit(99);
}
exit(0);
}
if(release == "UBUNTU8.10") {
if(!isnull(res = isdpkgvuln(pkg:"dhcp3-client", ver:"3.1.1-1ubuntu2.1", rls:"UBUNTU8.10"))) {
report += res;
}
if(!isnull(res = isdpkgvuln(pkg:"dhcp3-client-udeb", ver:"3.1.1-1ubuntu2.1", rls:"UBUNTU8.10"))) {
report += res;
}
if(report != "") {
security_message(data:report);
} else if(__pkg_match) {
exit(99);
}
exit(0);
}
if(release == "UBUNTU9.04") {
if(!isnull(res = isdpkgvuln(pkg:"dhcp3-client", ver:"3.1.1-5ubuntu8.1", rls:"UBUNTU9.04"))) {
report += res;
}
if(!isnull(res = isdpkgvuln(pkg:"dhcp3-client-udeb", ver:"3.1.1-5ubuntu8.1", rls:"UBUNTU9.04"))) {
report += res;
}
if(report != "") {
security_message(data:report);
} else if(__pkg_match) {
exit(99);
}
exit(0);
}
exit(0);