CVSS2
Attack Vector
LOCAL
Attack Complexity
LOW
Authentication
NONE
Confidentiality Impact
NONE
Integrity Impact
NONE
Availability Impact
PARTIAL
AV:L/AC:L/Au:N/C:N/I:N/A:P
CVSS3
Attack Vector
LOCAL
Attack Complexity
LOW
Privileges Required
LOW
User Interaction
NONE
Scope
CHANGED
Confidentiality Impact
NONE
Integrity Impact
NONE
Availability Impact
HIGH
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:C/C:N/I:N/A:H
AI Score
Confidence
High
EPSS
Percentile
64.3%
The remote host is missing an update for the
# SPDX-FileCopyrightText: 2021 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("1.3.6.1.4.1.25623.1.1.4.2021.14702.1");
script_cve_id("CVE-2021-20257", "CVE-2021-3419");
script_tag(name:"creation_date", value:"2021-06-09 14:56:39 +0000 (Wed, 09 Jun 2021)");
script_version("2024-02-02T14:37:50+0000");
script_tag(name:"last_modification", value:"2024-02-02 14:37:50 +0000 (Fri, 02 Feb 2024)");
script_tag(name:"cvss_base", value:"2.1");
script_tag(name:"cvss_base_vector", value:"AV:L/AC:L/Au:N/C:N/I:N/A:P");
script_tag(name:"severity_vector", value:"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:C/C:N/I:N/A:H");
script_tag(name:"severity_origin", value:"NVD");
script_tag(name:"severity_date", value:"2022-03-22 17:06:43 +0000 (Tue, 22 Mar 2022)");
script_name("SUSE: Security Advisory (SUSE-SU-2021:14702-1)");
script_category(ACT_GATHER_INFO);
script_copyright("Copyright (C) 2021 Greenbone AG");
script_family("SuSE Local Security Checks");
script_dependencies("gather-package-list.nasl");
script_mandatory_keys("ssh/login/suse_sles", "ssh/login/rpms", re:"ssh/login/release=(SLES11\.0SP4)");
script_xref(name:"Advisory-ID", value:"SUSE-SU-2021:14702-1");
script_xref(name:"URL", value:"https://www.suse.com/support/update/announcement/2021/suse-su-202114702-1/");
script_tag(name:"summary", value:"The remote host is missing an update for the 'xen' package(s) announced via the SUSE-SU-2021:14702-1 advisory.");
script_tag(name:"vuldetect", value:"Checks if a vulnerable package version is present on the target host.");
script_tag(name:"insight", value:"This update for xen fixes the following issues:
CVE-2021-3419: Fixed a stack overflow induced by infinite recursion
issue (bsc#1182975).
CVE-2021-20257: Fixed an infinite loop in the e1000 NIC emulator
(bsc#1182846)
xenstored crashing with segfault (bsc#1182155).");
script_tag(name:"affected", value:"'xen' package(s) on SUSE Linux Enterprise Debuginfo 11-SP4, SUSE Linux Enterprise Server 11-SP4.");
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-rpm.inc");
release = rpm_get_ssh_release();
if(!release)
exit(0);
res = "";
report = "";
if(release == "SLES11.0SP4") {
if(!isnull(res = isrpmvuln(pkg:"xen", rpm:"xen~4.4.4_48~61.64.1", rls:"SLES11.0SP4"))) {
report += res;
}
if(!isnull(res = isrpmvuln(pkg:"xen-doc-html", rpm:"xen-doc-html~4.4.4_48~61.64.1", rls:"SLES11.0SP4"))) {
report += res;
}
if(!isnull(res = isrpmvuln(pkg:"xen-kmp-default", rpm:"xen-kmp-default~4.4.4_48_3.0.101_108.123~61.64.1", rls:"SLES11.0SP4"))) {
report += res;
}
if(!isnull(res = isrpmvuln(pkg:"xen-kmp-pae", rpm:"xen-kmp-pae~4.4.4_48_3.0.101_108.123~61.64.1", rls:"SLES11.0SP4"))) {
report += res;
}
if(!isnull(res = isrpmvuln(pkg:"xen-libs-32bit", rpm:"xen-libs-32bit~4.4.4_48~61.64.1", rls:"SLES11.0SP4"))) {
report += res;
}
if(!isnull(res = isrpmvuln(pkg:"xen-libs", rpm:"xen-libs~4.4.4_48~61.64.1", rls:"SLES11.0SP4"))) {
report += res;
}
if(!isnull(res = isrpmvuln(pkg:"xen-tools", rpm:"xen-tools~4.4.4_48~61.64.1", rls:"SLES11.0SP4"))) {
report += res;
}
if(!isnull(res = isrpmvuln(pkg:"xen-tools-domU", rpm:"xen-tools-domU~4.4.4_48~61.64.1", rls:"SLES11.0SP4"))) {
report += res;
}
if(report != "") {
security_message(data:report);
} else if(__pkg_match) {
exit(99);
}
exit(0);
}
exit(0);
CVSS2
Attack Vector
LOCAL
Attack Complexity
LOW
Authentication
NONE
Confidentiality Impact
NONE
Integrity Impact
NONE
Availability Impact
PARTIAL
AV:L/AC:L/Au:N/C:N/I:N/A:P
CVSS3
Attack Vector
LOCAL
Attack Complexity
LOW
Privileges Required
LOW
User Interaction
NONE
Scope
CHANGED
Confidentiality Impact
NONE
Integrity Impact
NONE
Availability Impact
HIGH
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:C/C:N/I:N/A:H
AI Score
Confidence
High
EPSS
Percentile
64.3%