Huawei EulerOS: Security Advisory for docker-engine (EulerOS-SA-2022-1644)

# 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("1.3.6.1.4.1.25623.1.1.2.2022.1644");
  script_cve_id("CVE-2021-21284");
  script_tag(name:"creation_date", value:"2022-05-09 04:16:31 +0000 (Mon, 09 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:"2.7");
  script_tag(name:"cvss_base_vector", value:"AV:A/AC:L/Au:S/C:N/I:P/A:N");
  script_tag(name:"severity_vector", value:"CVSS:3.1/AV:A/AC:L/PR:L/UI:N/S:C/C:N/I:H/A:N");
  script_tag(name:"severity_origin", value:"NVD");
  script_tag(name:"severity_date", value:"2021-02-10 18:24:03 +0000 (Wed, 10 Feb 2021)");

  script_name("Huawei EulerOS: Security Advisory for docker-engine (EulerOS-SA-2022-1644)");
  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");

  script_xref(name:"Advisory-ID", value:"EulerOS-SA-2022-1644");
  script_xref(name:"URL", value:"https://developer.huaweicloud.com/intl/en-us/euleros/securitydetail.html?secId=EulerOS-SA-2022-1644");

  script_tag(name:"summary", value:"The remote host is missing an update for the Huawei EulerOS 'docker-engine' package(s) announced via the EulerOS-SA-2022-1644 advisory.");

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

  script_tag(name:"insight", value:"In Docker before versions 19.03.15, 20.10.3 there is a vulnerability involving the --userns-remap option in which access to remapped root allows privilege escalation to real root. When using '--userns-remap', if the root user in the remapped namespace has access to the host filesystem they can modify files under '/var/lib/docker/<remapping>' that cause writing files with extended privileges. Versions 20.10.3 and 19.03.15 contain patches that prevent privilege escalation from remapped user.(CVE-2021-21284)");

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

  script_tag(name:"solution", value:"Please install the updated package(s).");

  script_tag(name:"solution_type", value:"VendorFix");
  script_tag(name:"qod", value:"30");

  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") {

  if(!isnull(res = isrpmvuln(pkg:"docker-engine", rpm:"docker-engine~18.09.0.200~200.h44.25.14.eulerosv2r10", rls:"EULEROS-2.0SP10"))) {
    report += res;
  }

  if(!isnull(res = isrpmvuln(pkg:"docker-engine-selinux", rpm:"docker-engine-selinux~18.09.0.200~200.h44.25.14.eulerosv2r10", rls:"EULEROS-2.0SP10"))) {
    report += res;
  }

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

exit(0);