8.5 High
CVSS2
Attack Vector
NETWORK
Attack Complexity
MEDIUM
Authentication
SINGLE
Confidentiality Impact
COMPLETE
Integrity Impact
COMPLETE
Availability Impact
COMPLETE
AV:N/AC:M/Au:S/C:C/I:C/A:C
4.2 Medium
AI Score
Confidence
High
0.015 Low
EPSS
Percentile
86.9%
The remote host is missing an update for the
# SPDX-FileCopyrightText: 2015 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("1.3.6.1.4.1.25623.1.0.842134");
script_cve_id("CVE-2015-1802", "CVE-2015-1803", "CVE-2015-1804");
script_tag(name:"creation_date", value:"2015-03-19 04:52:47 +0000 (Thu, 19 Mar 2015)");
script_version("2024-02-02T05:06:05+0000");
script_tag(name:"last_modification", value:"2024-02-02 05:06:05 +0000 (Fri, 02 Feb 2024)");
script_tag(name:"cvss_base", value:"8.5");
script_tag(name:"cvss_base_vector", value:"AV:N/AC:M/Au:S/C:C/I:C/A:C");
script_name("Ubuntu: Security Advisory (USN-2536-1)");
script_category(ACT_GATHER_INFO);
script_copyright("Copyright (C) 2015 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(10\.04\ LTS|12\.04\ LTS|14\.04\ LTS|14\.10)");
script_xref(name:"Advisory-ID", value:"USN-2536-1");
script_xref(name:"URL", value:"https://ubuntu.com/security/notices/USN-2536-1");
script_tag(name:"summary", value:"The remote host is missing an update for the 'libxfont' package(s) announced via the USN-2536-1 advisory.");
script_tag(name:"vuldetect", value:"Checks if a vulnerable package version is present on the target host.");
script_tag(name:"insight", value:"Ilja van Sprundel, Alan Coopersmith, and William Robinet discovered that
libXfont incorrectly handled malformed bdf fonts. A local attacker could
use this issue to cause libXfont to crash, or possibly execute arbitrary
code in order to gain privileges.");
script_tag(name:"affected", value:"'libxfont' package(s) on Ubuntu 10.04, Ubuntu 12.04, Ubuntu 14.04, Ubuntu 14.10.");
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 == "UBUNTU10.04 LTS") {
if(!isnull(res = isdpkgvuln(pkg:"libxfont1", ver:"1:1.4.1-1ubuntu0.4", rls:"UBUNTU10.04 LTS"))) {
report += res;
}
if(report != "") {
security_message(data:report);
} else if(__pkg_match) {
exit(99);
}
exit(0);
}
if(release == "UBUNTU12.04 LTS") {
if(!isnull(res = isdpkgvuln(pkg:"libxfont1", ver:"1:1.4.4-1ubuntu0.3", rls:"UBUNTU12.04 LTS"))) {
report += res;
}
if(report != "") {
security_message(data:report);
} else if(__pkg_match) {
exit(99);
}
exit(0);
}
if(release == "UBUNTU14.04 LTS") {
if(!isnull(res = isdpkgvuln(pkg:"libxfont1", ver:"1:1.4.7-1ubuntu0.2", rls:"UBUNTU14.04 LTS"))) {
report += res;
}
if(report != "") {
security_message(data:report);
} else if(__pkg_match) {
exit(99);
}
exit(0);
}
if(release == "UBUNTU14.10") {
if(!isnull(res = isdpkgvuln(pkg:"libxfont1", ver:"1:1.4.99.901-1ubuntu0.1", rls:"UBUNTU14.10"))) {
report += res;
}
if(report != "") {
security_message(data:report);
} else if(__pkg_match) {
exit(99);
}
exit(0);
}
exit(0);