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
7.5 High
CVSS3
Attack Vector
NETWORK
Attack Complexity
LOW
Privileges Required
NONE
User Interaction
NONE
Scope
UNCHANGED
Confidentiality Impact
NONE
Integrity Impact
NONE
Availability Impact
HIGH
CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
7 High
AI Score
Confidence
High
0.03 Low
EPSS
Percentile
90.9%
The remote host is missing an update for the Debian
# SPDX-FileCopyrightText: 2018 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("1.3.6.1.4.1.25623.1.0.891524");
script_cve_id("CVE-2017-18258", "CVE-2018-14404", "CVE-2018-14567");
script_tag(name:"creation_date", value:"2018-09-27 22:00:00 +0000 (Thu, 27 Sep 2018)");
script_version("2024-02-02T05:06:06+0000");
script_tag(name:"last_modification", value:"2024-02-02 05:06:06 +0000 (Fri, 02 Feb 2024)");
script_tag(name:"cvss_base", value:"5.0");
script_tag(name:"cvss_base_vector", value:"AV:N/AC:L/Au:N/C:N/I:N/A:P");
script_tag(name:"severity_vector", value:"CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H");
script_tag(name:"severity_origin", value:"NVD");
script_tag(name:"severity_date", value:"2018-09-18 16:59:15 +0000 (Tue, 18 Sep 2018)");
script_name("Debian: Security Advisory (DLA-1524-1)");
script_category(ACT_GATHER_INFO);
script_copyright("Copyright (C) 2018 Greenbone AG");
script_family("Debian Local Security Checks");
script_dependencies("gather-package-list.nasl");
script_mandatory_keys("ssh/login/debian_linux", "ssh/login/packages", re:"ssh/login/release=DEB8");
script_xref(name:"Advisory-ID", value:"DLA-1524-1");
script_xref(name:"URL", value:"https://www.debian.org/lts/security/2018/DLA-1524-1");
script_xref(name:"URL", value:"https://wiki.debian.org/LTS");
script_tag(name:"summary", value:"The remote host is missing an update for the Debian 'libxml2' package(s) announced via the DLA-1524-1 advisory.");
script_tag(name:"vuldetect", value:"Checks if a vulnerable package version is present on the target host.");
script_tag(name:"insight", value:"CVE-2018-14404
Fix of a NULL pointer dereference which might result in a crash and thus in a denial of service.
CVE-2018-14567 / CVE-2018-9251 Approval in LZMA error handling which prevents an infinite loop.
CVE-2017-18258
Limit available memory to 100MB to avoid exhaustive memory consumption by malicious files.
For Debian 8 Jessie, these problems have been fixed in version 2.9.1+dfsg1-5+deb8u7.
We recommend that you upgrade your libxml2 packages.
Further information about Debian LTS security advisories, how to apply these updates to your system and frequently asked questions can be found at: [link moved to references]");
script_tag(name:"affected", value:"'libxml2' package(s) on Debian 8.");
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 == "DEB8") {
if(!isnull(res = isdpkgvuln(pkg:"libxml2", ver:"2.9.1+dfsg1-5+deb8u7", rls:"DEB8"))) {
report += res;
}
if(!isnull(res = isdpkgvuln(pkg:"libxml2-dbg", ver:"2.9.1+dfsg1-5+deb8u7", rls:"DEB8"))) {
report += res;
}
if(!isnull(res = isdpkgvuln(pkg:"libxml2-dev", ver:"2.9.1+dfsg1-5+deb8u7", rls:"DEB8"))) {
report += res;
}
if(!isnull(res = isdpkgvuln(pkg:"libxml2-doc", ver:"2.9.1+dfsg1-5+deb8u7", rls:"DEB8"))) {
report += res;
}
if(!isnull(res = isdpkgvuln(pkg:"libxml2-utils", ver:"2.9.1+dfsg1-5+deb8u7", rls:"DEB8"))) {
report += res;
}
if(!isnull(res = isdpkgvuln(pkg:"libxml2-utils-dbg", ver:"2.9.1+dfsg1-5+deb8u7", rls:"DEB8"))) {
report += res;
}
if(!isnull(res = isdpkgvuln(pkg:"python-libxml2", ver:"2.9.1+dfsg1-5+deb8u7", rls:"DEB8"))) {
report += res;
}
if(!isnull(res = isdpkgvuln(pkg:"python-libxml2-dbg", ver:"2.9.1+dfsg1-5+deb8u7", rls:"DEB8"))) {
report += res;
}
if(report != "") {
security_message(data:report);
} else if(__pkg_match) {
exit(99);
}
exit(0);
}
exit(0);
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
7.5 High
CVSS3
Attack Vector
NETWORK
Attack Complexity
LOW
Privileges Required
NONE
User Interaction
NONE
Scope
UNCHANGED
Confidentiality Impact
NONE
Integrity Impact
NONE
Availability Impact
HIGH
CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
7 High
AI Score
Confidence
High
0.03 Low
EPSS
Percentile
90.9%