Huawei EulerOS: Security Advisory for udisks2 (EulerOS-SA-2025-2533)

# SPDX-FileCopyrightText: 2025 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("1.3.6.1.4.1.25623.1.1.2.2025.2533");
  script_cve_id("CVE-2025-8067");
  script_tag(name:"creation_date", value:"2025-12-11 12:41:26 +0000 (Thu, 11 Dec 2025)");
  script_version("2025-12-12T05:45:42+0000");
  script_tag(name:"last_modification", value:"2025-12-12 05:45:42 +0000 (Fri, 12 Dec 2025)");
  script_tag(name:"cvss_base", value:"6.1");
  script_tag(name:"cvss_base_vector", value:"AV:L/AC:L/Au:N/C:P/I:P/A:C");
  script_tag(name:"severity_vector", value:"CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:C/C:L/I:L/A:H");
  script_tag(name:"severity_origin", value:"NVD");
  script_tag(name:"severity_date", value:"2025-08-28 15:16:03 +0000 (Thu, 28 Aug 2025)");

  script_name("Huawei EulerOS: Security Advisory for udisks2 (EulerOS-SA-2025-2533)");
  script_category(ACT_GATHER_INFO);
  script_copyright("Copyright (C) 2025 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\.0SP13");

  script_xref(name:"Advisory-ID", value:"EulerOS-SA-2025-2533");
  script_xref(name:"URL", value:"https://developer.huaweicloud.com/intl/en-us/euleros/securitydetail.html?secId=EulerOS-SA-2025-2533");

  script_tag(name:"summary", value:"The remote host is missing an update for the Huawei EulerOS 'udisks2' package(s) announced via the EulerOS-SA-2025-2533 advisory.");

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

  script_tag(name:"insight", value:"A flaw was found in the Udisks daemon, where it allows unprivileged users to create loop devices using the D-BUS system. This is achieved via the loop device handler, which handles requests sent through the D-BUS interface. As two of the parameters of this handle, it receives the file descriptor list and index specifying the file where the loop device should be backed. The function itself validates the index value to ensure it isn't bigger than the maximum value allowed. However, it fails to validate the lower bound, allowing the index parameter to be a negative value. Under these circumstances, an attacker can cause the UDisks daemon to crash or perform a local privilege escalation by gaining access to files owned by privileged users.(CVE-2025-8067)");

  script_tag(name:"affected", value:"'udisks2' package(s) on Huawei EulerOS V2.0SP13.");

  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-2.0SP13") {

  if(!isnull(res = isrpmvuln(pkg:"libudisks2", rpm:"libudisks2~2.9.4~4.h5.eulerosv2r13", rls:"EULEROS-2.0SP13"))) {
    report += res;
  }

  if(!isnull(res = isrpmvuln(pkg:"udisks2", rpm:"udisks2~2.9.4~4.h5.eulerosv2r13", rls:"EULEROS-2.0SP13"))) {
    report += res;
  }

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

exit(0);