Huawei EulerOS: Security Advisory for rpm (EulerOS-SA-2022-1234)

# 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("1.3.6.1.4.1.25623.1.1.2.2022.1234");
  script_cve_id("CVE-2021-3521");
  script_tag(name:"creation_date", value:"2022-02-26 03:21:18 +0000 (Sat, 26 Feb 2022)");
  script_version("2024-02-05T14:36:56+0000");
  script_tag(name:"last_modification", value:"2024-02-05 14:36:56 +0000 (Mon, 05 Feb 2024)");
  script_tag(name:"cvss_base", value:"4.0");
  script_tag(name:"cvss_base_vector", value:"AV:L/AC:H/Au:N/C:N/I:C/A:N");
  script_tag(name:"severity_vector", value:"CVSS:3.1/AV:L/AC:H/PR:N/UI:R/S:U/C:N/I:H/A:N");
  script_tag(name:"severity_origin", value:"NVD");
  script_tag(name:"severity_date", value:"2022-08-26 15:36:43 +0000 (Fri, 26 Aug 2022)");

  script_name("Huawei EulerOS: Security Advisory for rpm (EulerOS-SA-2022-1234)");
  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\.0SP10\-X86_64");

  script_xref(name:"Advisory-ID", value:"EulerOS-SA-2022-1234");
  script_xref(name:"URL", value:"https://developer.huaweicloud.com/intl/en-us/euleros/securitydetail.html?secId=EulerOS-SA-2022-1234");

  script_tag(name:"summary", value:"The remote host is missing an update for the Huawei EulerOS 'rpm' package(s) announced via the EulerOS-SA-2022-1234 advisory.");

  script_tag(name:"vuldetect", value:"Checks if a vulnerable package version is present on the target host.");

  script_tag(name:"insight", value:"There is a flaw in RPM's signature functionality. OpenPGP subkeys are associated with a primary key via a 'binding signature.'[1] RPM does not check the binding signature of subkeys prior to importing them. If an attacker is able to add or socially engineer another party to add a malicious subkey to a legitimate public key, RPM could wrongly trust a malicious signature. The greatest impact of this flaw is to data integrity. 1.(CVE-2021-3521)");

  script_tag(name:"affected", value:"'rpm' package(s) on Huawei EulerOS V2.0SP10(x86_64).");

  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-2.0SP10-x86_64") {

  if(!isnull(res = isrpmvuln(pkg:"python3-rpm", rpm:"python3-rpm~4.15.1~17.h31.eulerosv2r10", rls:"EULEROS-2.0SP10-x86_64"))) {
    report += res;
  }

  if(!isnull(res = isrpmvuln(pkg:"rpm", rpm:"rpm~4.15.1~17.h31.eulerosv2r10", rls:"EULEROS-2.0SP10-x86_64"))) {
    report += res;
  }

  if(!isnull(res = isrpmvuln(pkg:"rpm-libs", rpm:"rpm-libs~4.15.1~17.h31.eulerosv2r10", rls:"EULEROS-2.0SP10-x86_64"))) {
    report += res;
  }

  if(!isnull(res = isrpmvuln(pkg:"rpm-plugin-systemd-inhibit", rpm:"rpm-plugin-systemd-inhibit~4.15.1~17.h31.eulerosv2r10", rls:"EULEROS-2.0SP10-x86_64"))) {
    report += res;
  }

  if(report != "") {
    security_message(data:report);
  } else if(__pkg_match) {
    exit(99);
  }
  exit(0);
}

exit(0);