6.1 Medium
CVSS2
Attack Vector
LOCAL
Attack Complexity
LOW
Authentication
NONE
Confidentiality Impact
PARTIAL
Integrity Impact
PARTIAL
Availability Impact
COMPLETE
AV:L/AC:L/Au:N/C:P/I:P/A:C
7.8 High
CVSS3
Attack Vector
LOCAL
Attack Complexity
LOW
Privileges Required
LOW
User Interaction
NONE
Scope
UNCHANGED
Confidentiality Impact
HIGH
Integrity Impact
HIGH
Availability Impact
HIGH
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
6.3 Medium
AI Score
Confidence
High
0.0004 Low
EPSS
Percentile
14.2%
The remote host is missing an update for the Debian
# SPDX-FileCopyrightText: 2020 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("1.3.6.1.4.1.25623.1.0.704769");
script_cve_id("CVE-2020-25595", "CVE-2020-25596", "CVE-2020-25597", "CVE-2020-25599", "CVE-2020-25600", "CVE-2020-25601", "CVE-2020-25602", "CVE-2020-25603", "CVE-2020-25604");
script_tag(name:"creation_date", value:"2020-10-03 03:00:11 +0000 (Sat, 03 Oct 2020)");
script_version("2024-02-02T05:06:07+0000");
script_tag(name:"last_modification", value:"2024-02-02 05:06:07 +0000 (Fri, 02 Feb 2024)");
script_tag(name:"cvss_base", value:"6.1");
script_tag(name:"cvss_base_vector", value:"AV:L/AC:L/Au:N/C:P/I:P/A:C");
script_tag(name:"severity_vector", value:"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H");
script_tag(name:"severity_origin", value:"NVD");
script_tag(name:"severity_date", value:"2020-10-05 22:22:07 +0000 (Mon, 05 Oct 2020)");
script_name("Debian: Security Advisory (DSA-4769-1)");
script_category(ACT_GATHER_INFO);
script_copyright("Copyright (C) 2020 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=DEB10");
script_xref(name:"Advisory-ID", value:"DSA-4769-1");
script_xref(name:"URL", value:"https://www.debian.org/security/2020/DSA-4769-1");
script_xref(name:"URL", value:"https://security-tracker.debian.org/tracker/DSA-4769");
script_xref(name:"URL", value:"https://security-tracker.debian.org/tracker/xen");
script_tag(name:"summary", value:"The remote host is missing an update for the Debian 'xen' package(s) announced via the DSA-4769-1 advisory.");
script_tag(name:"vuldetect", value:"Checks if a vulnerable package version is present on the target host.");
script_tag(name:"insight", value:"Multiple vulnerabilities have been discovered in the Xen hypervisor, which could result in denial of service, guest-to-host privilege escalation or information leaks.
For the stable distribution (buster), these problems have been fixed in version 4.11.4+37-g3263f257ca-1.
We recommend that you upgrade your xen packages.
For the detailed security status of xen please refer to its security tracker page at: [link moved to references]");
script_tag(name:"affected", value:"'xen' package(s) on Debian 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 == "DEB10") {
if(!isnull(res = isdpkgvuln(pkg:"libxen-dev", ver:"4.11.4+37-g3263f257ca-1", rls:"DEB10"))) {
report += res;
}
if(!isnull(res = isdpkgvuln(pkg:"libxencall1", ver:"4.11.4+37-g3263f257ca-1", rls:"DEB10"))) {
report += res;
}
if(!isnull(res = isdpkgvuln(pkg:"libxendevicemodel1", ver:"4.11.4+37-g3263f257ca-1", rls:"DEB10"))) {
report += res;
}
if(!isnull(res = isdpkgvuln(pkg:"libxenevtchn1", ver:"4.11.4+37-g3263f257ca-1", rls:"DEB10"))) {
report += res;
}
if(!isnull(res = isdpkgvuln(pkg:"libxenforeignmemory1", ver:"4.11.4+37-g3263f257ca-1", rls:"DEB10"))) {
report += res;
}
if(!isnull(res = isdpkgvuln(pkg:"libxengnttab1", ver:"4.11.4+37-g3263f257ca-1", rls:"DEB10"))) {
report += res;
}
if(!isnull(res = isdpkgvuln(pkg:"libxenmisc4.11", ver:"4.11.4+37-g3263f257ca-1", rls:"DEB10"))) {
report += res;
}
if(!isnull(res = isdpkgvuln(pkg:"libxenstore3.0", ver:"4.11.4+37-g3263f257ca-1", rls:"DEB10"))) {
report += res;
}
if(!isnull(res = isdpkgvuln(pkg:"libxentoolcore1", ver:"4.11.4+37-g3263f257ca-1", rls:"DEB10"))) {
report += res;
}
if(!isnull(res = isdpkgvuln(pkg:"libxentoollog1", ver:"4.11.4+37-g3263f257ca-1", rls:"DEB10"))) {
report += res;
}
if(!isnull(res = isdpkgvuln(pkg:"xen-doc", ver:"4.11.4+37-g3263f257ca-1", rls:"DEB10"))) {
report += res;
}
if(!isnull(res = isdpkgvuln(pkg:"xen-hypervisor-4.11-amd64", ver:"4.11.4+37-g3263f257ca-1", rls:"DEB10"))) {
report += res;
}
if(!isnull(res = isdpkgvuln(pkg:"xen-hypervisor-4.11-arm64", ver:"4.11.4+37-g3263f257ca-1", rls:"DEB10"))) {
report += res;
}
if(!isnull(res = isdpkgvuln(pkg:"xen-hypervisor-4.11-armhf", ver:"4.11.4+37-g3263f257ca-1", rls:"DEB10"))) {
report += res;
}
if(!isnull(res = isdpkgvuln(pkg:"xen-hypervisor-common", ver:"4.11.4+37-g3263f257ca-1", rls:"DEB10"))) {
report += res;
}
if(!isnull(res = isdpkgvuln(pkg:"xen-system-amd64", ver:"4.11.4+37-g3263f257ca-1", rls:"DEB10"))) {
report += res;
}
if(!isnull(res = isdpkgvuln(pkg:"xen-system-arm64", ver:"4.11.4+37-g3263f257ca-1", rls:"DEB10"))) {
report += res;
}
if(!isnull(res = isdpkgvuln(pkg:"xen-system-armhf", ver:"4.11.4+37-g3263f257ca-1", rls:"DEB10"))) {
report += res;
}
if(!isnull(res = isdpkgvuln(pkg:"xen-utils-4.11", ver:"4.11.4+37-g3263f257ca-1", rls:"DEB10"))) {
report += res;
}
if(!isnull(res = isdpkgvuln(pkg:"xen-utils-common", ver:"4.11.4+37-g3263f257ca-1", rls:"DEB10"))) {
report += res;
}
if(!isnull(res = isdpkgvuln(pkg:"xenstore-utils", ver:"4.11.4+37-g3263f257ca-1", rls:"DEB10"))) {
report += res;
}
if(report != "") {
security_message(data:report);
} else if(__pkg_match) {
exit(99);
}
exit(0);
}
exit(0);
6.1 Medium
CVSS2
Attack Vector
LOCAL
Attack Complexity
LOW
Authentication
NONE
Confidentiality Impact
PARTIAL
Integrity Impact
PARTIAL
Availability Impact
COMPLETE
AV:L/AC:L/Au:N/C:P/I:P/A:C
7.8 High
CVSS3
Attack Vector
LOCAL
Attack Complexity
LOW
Privileges Required
LOW
User Interaction
NONE
Scope
UNCHANGED
Confidentiality Impact
HIGH
Integrity Impact
HIGH
Availability Impact
HIGH
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
6.3 Medium
AI Score
Confidence
High
0.0004 Low
EPSS
Percentile
14.2%