CVSS2
Attack Vector
NETWORK
Attack Complexity
MEDIUM
Authentication
NONE
Confidentiality Impact
PARTIAL
Integrity Impact
PARTIAL
Availability Impact
PARTIAL
AV:N/AC:M/Au:N/C:P/I:P/A:P
AI Score
Confidence
Low
EPSS
Percentile
96.8%
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("1.3.6.1.4.1.25623.1.0.64827");
script_cve_id("CVE-2009-2957", "CVE-2009-2958");
script_tag(name:"creation_date", value:"2009-09-09 00:15:49 +0000 (Wed, 09 Sep 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:"6.8");
script_tag(name:"cvss_base_vector", value:"AV:N/AC:M/Au:N/C:P/I:P/A:P");
script_name("Ubuntu: Security Advisory (USN-827-1)");
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(8\.04\ LTS|8\.10|9\.04)");
script_xref(name:"Advisory-ID", value:"USN-827-1");
script_xref(name:"URL", value:"https://ubuntu.com/security/notices/USN-827-1");
script_tag(name:"summary", value:"The remote host is missing an update for the 'dnsmasq' package(s) announced via the USN-827-1 advisory.");
script_tag(name:"vuldetect", value:"Checks if a vulnerable package version is present on the target host.");
script_tag(name:"insight", value:"IvAin Arce, Pablo HernAin Jorge, Alejandro Pablo Rodriguez, MartAn Coco,
Alberto SoliAto Testa and Pablo Annetta discovered that Dnsmasq did not
properly validate its input when processing TFTP requests for files with
long names. A remote attacker could cause a denial of service or execute
arbitrary code with user privileges. Dnsmasq runs as the 'dnsmasq' user by
default on Ubuntu. (CVE-2009-2957)
Steve Grubb discovered that Dnsmasq could be made to dereference a NULL
pointer when processing certain TFTP requests. A remote attacker could
cause a denial of service by sending a crafted TFTP request.
(CVE-2009-2958)");
script_tag(name:"affected", value:"'dnsmasq' package(s) on 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 == "UBUNTU8.04 LTS") {
if(!isnull(res = isdpkgvuln(pkg:"dnsmasq-base", ver:"2.41-2ubuntu2.2", 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:"dnsmasq-base", ver:"2.45-1ubuntu1.1", 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:"dnsmasq-base", ver:"2.47-3ubuntu0.1", rls:"UBUNTU9.04"))) {
report += res;
}
if(report != "") {
security_message(data:report);
} else if(__pkg_match) {
exit(99);
}
exit(0);
}
exit(0);