CVSS2
Attack Vector
LOCAL
Attack Complexity
MEDIUM
Authentication
NONE
Confidentiality Impact
NONE
Integrity Impact
NONE
Availability Impact
PARTIAL
AV:L/AC:M/Au:N/C:N/I:N/A:P
CVSS3
Attack Vector
LOCAL
Attack Complexity
HIGH
Privileges Required
LOW
User Interaction
NONE
Scope
UNCHANGED
Confidentiality Impact
NONE
Integrity Impact
NONE
Availability Impact
LOW
CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:N/I:N/A:L
AI Score
Confidence
Low
EPSS
Percentile
17.3%
The remote host is missing an update for the Huawei EulerOS
# SPDX-FileCopyrightText: 2022 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("1.3.6.1.4.1.25623.1.1.2.2022.1724");
script_cve_id("CVE-2021-27645");
script_tag(name:"creation_date", value:"2022-05-25 04:17:28 +0000 (Wed, 25 May 2022)");
script_version("2024-02-05T14:36:57+0000");
script_tag(name:"last_modification", value:"2024-02-05 14:36:57 +0000 (Mon, 05 Feb 2024)");
script_tag(name:"cvss_base", value:"1.9");
script_tag(name:"cvss_base_vector", value:"AV:L/AC:M/Au:N/C:N/I:N/A:P");
script_tag(name:"severity_vector", value:"CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:N/I:N/A:L");
script_tag(name:"severity_origin", value:"NVD");
script_tag(name:"severity_date", value:"2021-03-02 16:34:12 +0000 (Tue, 02 Mar 2021)");
script_name("Huawei EulerOS: Security Advisory for glibc (EulerOS-SA-2022-1724)");
script_category(ACT_GATHER_INFO);
script_copyright("Copyright (C) 2022 Greenbone AG");
script_family("Huawei EulerOS Local Security Checks");
script_dependencies("gb_huawei_euleros_consolidation.nasl");
script_mandatory_keys("ssh/login/euleros", "ssh/login/rpms", re:"ssh/login/release=EULEROS\-2\.0SP3");
script_xref(name:"Advisory-ID", value:"EulerOS-SA-2022-1724");
script_xref(name:"URL", value:"https://developer.huaweicloud.com/intl/en-us/euleros/securitydetail.html?secId=EulerOS-SA-2022-1724");
script_tag(name:"summary", value:"The remote host is missing an update for the Huawei EulerOS 'glibc' package(s) announced via the EulerOS-SA-2022-1724 advisory.");
script_tag(name:"vuldetect", value:"Checks if a vulnerable package version is present on the target host.");
script_tag(name:"insight", value:"The nameserver caching daemon (nscd) in the GNU C Library (aka glibc or libc6) 2.29 through 2.33, when processing a request for netgroup lookup, may crash due to a double-free, potentially resulting in degraded service or Denial of Service on the local system. This is related to netgroupcache.c.(CVE-2021-27645)");
script_tag(name:"affected", value:"'glibc' package(s) on Huawei EulerOS V2.0SP3.");
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 == "EULEROS-2.0SP3") {
if(!isnull(res = isrpmvuln(pkg:"glibc", rpm:"glibc~2.17~196.h50", rls:"EULEROS-2.0SP3"))) {
report += res;
}
if(!isnull(res = isrpmvuln(pkg:"glibc-common", rpm:"glibc-common~2.17~196.h50", rls:"EULEROS-2.0SP3"))) {
report += res;
}
if(!isnull(res = isrpmvuln(pkg:"glibc-devel", rpm:"glibc-devel~2.17~196.h50", rls:"EULEROS-2.0SP3"))) {
report += res;
}
if(!isnull(res = isrpmvuln(pkg:"glibc-headers", rpm:"glibc-headers~2.17~196.h50", rls:"EULEROS-2.0SP3"))) {
report += res;
}
if(!isnull(res = isrpmvuln(pkg:"glibc-static", rpm:"glibc-static~2.17~196.h50", rls:"EULEROS-2.0SP3"))) {
report += res;
}
if(!isnull(res = isrpmvuln(pkg:"glibc-utils", rpm:"glibc-utils~2.17~196.h50", rls:"EULEROS-2.0SP3"))) {
report += res;
}
if(!isnull(res = isrpmvuln(pkg:"nscd", rpm:"nscd~2.17~196.h50", rls:"EULEROS-2.0SP3"))) {
report += res;
}
if(report != "") {
security_message(data:report);
} else if(__pkg_match) {
exit(99);
}
exit(0);
}
exit(0);
CVSS2
Attack Vector
LOCAL
Attack Complexity
MEDIUM
Authentication
NONE
Confidentiality Impact
NONE
Integrity Impact
NONE
Availability Impact
PARTIAL
AV:L/AC:M/Au:N/C:N/I:N/A:P
CVSS3
Attack Vector
LOCAL
Attack Complexity
HIGH
Privileges Required
LOW
User Interaction
NONE
Scope
UNCHANGED
Confidentiality Impact
NONE
Integrity Impact
NONE
Availability Impact
LOW
CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:N/I:N/A:L
AI Score
Confidence
Low
EPSS
Percentile
17.3%