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("1.3.6.1.4.1.25623.1.1.2.2022.2713");
script_cve_id("CVE-2021-33643", "CVE-2021-33644", "CVE-2021-33645", "CVE-2021-33646");
script_tag(name:"creation_date", value:"2022-11-04 04:29:55 +0000 (Fri, 04 Nov 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:"9.4");
script_tag(name:"cvss_base_vector", value:"AV:N/AC:L/Au:N/C:C/I:N/A:C");
script_tag(name:"severity_vector", value:"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:H");
script_tag(name:"severity_origin", value:"NVD");
script_tag(name:"severity_date", value:"2022-08-13 00:17:55 +0000 (Sat, 13 Aug 2022)");
script_name("Huawei EulerOS: Security Advisory for libtar (EulerOS-SA-2022-2713)");
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\.0SP5");
script_xref(name:"Advisory-ID", value:"EulerOS-SA-2022-2713");
script_xref(name:"URL", value:"https://developer.huaweicloud.com/intl/en-us/euleros/securitydetail.html?secId=EulerOS-SA-2022-2713");
script_tag(name:"summary", value:"The remote host is missing an update for the Huawei EulerOS 'libtar' package(s) announced via the EulerOS-SA-2022-2713 advisory.");
script_tag(name:"vuldetect", value:"Checks if a vulnerable package version is present on the target host.");
script_tag(name:"insight", value:"The th_read() function doesn't free a variable t->th_buf.gnu_longlink after allocating memory, which may cause a memory leak.(CVE-2021-33645)
An attacker who submits a crafted tar file with size in header struct being 0 may be able to trigger an calling of malloc(0) for a variable gnu_longlink, causing an out-of-bounds read.(CVE-2021-33643)
The th_read() function doesn't free a variable t->th_buf.gnu_longname after allocating memory, which may cause a memory leak.(CVE-2021-33646)
An attacker who submits a crafted tar file with size in header struct being 0 may be able to trigger an calling of malloc(0) for a variable gnu_longname, causing an out-of-bounds read.(CVE-2021-33644)");
script_tag(name:"affected", value:"'libtar' package(s) on Huawei EulerOS V2.0SP5.");
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-2.0SP5") {
if(!isnull(res = isrpmvuln(pkg:"libtar", rpm:"libtar~1.2.11~29.h3.eulerosv2r7", rls:"EULEROS-2.0SP5"))) {
report += res;
}
if(report != "") {
security_message(data:report);
} else if(__pkg_match) {
exit(99);
}
exit(0);
}
exit(0);