SUSE: Security Advisory (SUSE-SU-2023:2609-1)

# SPDX-FileCopyrightText: 2023 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("1.3.6.1.4.1.25623.1.1.4.2023.2609.1");
  script_cve_id("CVE-2023-26555");
  script_tag(name:"creation_date", value:"2023-06-22 10:36:53 +0000 (Thu, 22 Jun 2023)");
  script_version("2024-02-02T14:37:52+0000");
  script_tag(name:"last_modification", value:"2024-02-02 14:37:52 +0000 (Fri, 02 Feb 2024)");
  script_tag(name:"cvss_base", value:"6.2");
  script_tag(name:"cvss_base_vector", value:"AV:L/AC:H/Au:N/C:C/I:C/A:C");
  script_tag(name:"severity_vector", value:"CVSS:3.1/AV:P/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H");
  script_tag(name:"severity_origin", value:"NVD");
  script_tag(name:"severity_date", value:"2023-04-24 13:58:27 +0000 (Mon, 24 Apr 2023)");

  script_name("SUSE: Security Advisory (SUSE-SU-2023:2609-1)");
  script_category(ACT_GATHER_INFO);
  script_copyright("Copyright (C) 2023 Greenbone AG");
  script_family("SuSE Local Security Checks");
  script_dependencies("gather-package-list.nasl");
  script_mandatory_keys("ssh/login/suse_sles", "ssh/login/rpms", re:"ssh/login/release=(SLES12\.0SP5)");

  script_xref(name:"Advisory-ID", value:"SUSE-SU-2023:2609-1");
  script_xref(name:"URL", value:"https://www.suse.com/support/update/announcement/2023/suse-su-20232609-1/");
  script_xref(name:"URL", value:"http://www.ntp.org/support/securitynotice/4_2_8-series-changelog/");

  script_tag(name:"summary", value:"The remote host is missing an update for the 'ntp' package(s) announced via the SUSE-SU-2023:2609-1 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 ntp fixes the following issues:
ntp was updated to 4.2.8p17:

Fix some regressions of 4.2.8p16

Update to 4.2.8p16:

[Sec 3808] Assertion failure in ntpq on malformed RT-11 date
[Sec 3807], bsc#1210390, CVE-2023-26555:
 praecis_parse() in the Palisade refclock driver has a
 hypothetical input buffer overflow.
[Sec 3767] An OOB KoD RATE value triggers an assertion when
 debug is enabled.
Multiple bug fixes and improvements. For details, see /usr/share/doc/packages/ntp/ChangeLog

[link moved to references]

CVE-2023-26555: Fixed assertion failure on malformed RT-11 dates (bsc#1210390).");

  script_tag(name:"affected", value:"'ntp' package(s) on SUSE Linux Enterprise High Performance Computing 12-SP5, SUSE Linux Enterprise Server 12-SP5, SUSE Linux Enterprise Server for SAP Applications 12-SP5.");

  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 == "SLES12.0SP5") {

  if(!isnull(res = isrpmvuln(pkg:"ntp", rpm:"ntp~4.2.8p17~103.1", rls:"SLES12.0SP5"))) {
    report += res;
  }

  if(!isnull(res = isrpmvuln(pkg:"ntp-debuginfo", rpm:"ntp-debuginfo~4.2.8p17~103.1", rls:"SLES12.0SP5"))) {
    report += res;
  }

  if(!isnull(res = isrpmvuln(pkg:"ntp-debugsource", rpm:"ntp-debugsource~4.2.8p17~103.1", rls:"SLES12.0SP5"))) {
    report += res;
  }

  if(!isnull(res = isrpmvuln(pkg:"ntp-doc", rpm:"ntp-doc~4.2.8p17~103.1", rls:"SLES12.0SP5"))) {
    report += res;
  }

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

exit(0);