openSUSE Security Advisory (SUSE-SU-2025:0071-1)

# 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("1.3.6.1.4.1.25623.1.0.856917");
  script_cve_id("CVE-2023-28450", "CVE-2023-50387", "CVE-2023-50868");
  script_tag(name:"creation_date", value:"2025-01-11 05:01:06 +0000 (Sat, 11 Jan 2025)");
  script_version("2026-01-02T15:40:50+0000");
  script_tag(name:"last_modification", value:"2026-01-02 15:40:50 +0000 (Fri, 02 Jan 2026)");
  script_tag(name:"cvss_base", value:"7.8");
  script_tag(name:"cvss_base_vector", value:"AV:N/AC:L/Au:N/C:N/I:N/A:C");
  script_tag(name:"severity_vector", value:"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H");
  script_tag(name:"severity_origin", value:"NVD");
  script_tag(name:"severity_date", value:"2025-12-23 20:20:08 +0000 (Tue, 23 Dec 2025)");

  script_name("openSUSE Security Advisory (SUSE-SU-2025:0071-1)");
  script_category(ACT_GATHER_INFO);
  script_copyright("Copyright (C) 2025 Greenbone AG");
  script_family("openSUSE Local Security Checks");
  script_dependencies("gather-package-list.nasl");
  script_mandatory_keys("ssh/login/opensuse", "ssh/login/rpms", re:"ssh/login/release=openSUSELeap15\.6");

  script_xref(name:"Advisory-ID", value:"SUSE-SU-2025:0071-1");
  script_xref(name:"URL", value:"https://www.suse.com/support/update/announcement/2025/suse-su-20250071-1.html");
  script_xref(name:"URL", value:"https://bugzilla.suse.com/1200344");
  script_xref(name:"URL", value:"https://bugzilla.suse.com/1207174");
  script_xref(name:"URL", value:"https://bugzilla.suse.com/1209358");
  script_xref(name:"URL", value:"https://bugzilla.suse.com/1214884");
  script_xref(name:"URL", value:"https://bugzilla.suse.com/1219823");
  script_xref(name:"URL", value:"https://bugzilla.suse.com/1219826");
  script_xref(name:"URL", value:"https://lists.suse.com/pipermail/sle-security-updates/2025-January/020094.html");

  script_tag(name:"summary", value:"The remote host is missing an update for the 'dnsmasq' package(s) announced via the SUSE-SU-2025:0071-1 advisory.");

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

  script_tag(name:"insight", value:"This update for dnsmasq fixes the following issues:

- Version update to 2.90:
- CVE-2023-50387: Fixed a Denial Of Service while trying to validate specially crafted DNSSEC responses. (bsc#1219823)
- CVE-2023-50868: Fixed a Denial Of Service while trying to validate specially crafted DNSSEC responses. (bsc#1219826)
- CVE-2023-28450: Default maximum EDNS.0 UDP packet size should be 1232. (bsc#1209358)");

  script_tag(name:"affected", value:"'dnsmasq' package(s) on openSUSE Leap 15.6.");

  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 == "openSUSELeap15.6") {

  if(!isnull(res = isrpmvuln(pkg:"dnsmasq", rpm:"dnsmasq~2.90~150400.16.3.1", rls:"openSUSELeap15.6"))) {
    report += res;
  }

  if(!isnull(res = isrpmvuln(pkg:"dnsmasq-utils", rpm:"dnsmasq-utils~2.90~150400.16.3.1", rls:"openSUSELeap15.6"))) {
    report += res;
  }

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

exit(0);