SUSE: Security Advisory (SUSE-SU-2018:1765-2)

# SPDX-FileCopyrightText: 2021 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("1.3.6.1.4.1.25623.1.1.4.2018.1765.2");
  script_cve_id("CVE-2016-1549", "CVE-2018-7170", "CVE-2018-7182", "CVE-2018-7183", "CVE-2018-7184", "CVE-2018-7185");
  script_tag(name:"creation_date", value:"2021-04-19 00:00:00 +0000 (Mon, 19 Apr 2021)");
  script_version("2025-08-15T15:42:25+0000");
  script_tag(name:"last_modification", value:"2025-08-15 15:42:25 +0000 (Fri, 15 Aug 2025)");
  script_tag(name:"cvss_base", value:"7.5");
  script_tag(name:"cvss_base_vector", value:"AV:N/AC:L/Au:N/C:P/I:P/A:P");
  script_tag(name:"severity_vector", value:"CVSS:3.0/AV:N/AC:L/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:"2018-03-28 22:19:44 +0000 (Wed, 28 Mar 2018)");

  script_name("SUSE: Security Advisory (SUSE-SU-2018:1765-2)");
  script_category(ACT_GATHER_INFO);
  script_copyright("Copyright (C) 2021 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\.0SP2)");

  script_xref(name:"Advisory-ID", value:"SUSE-SU-2018:1765-2");
  script_xref(name:"URL", value:"https://www.suse.com/support/update/announcement/2018/suse-su-20181765-2.html");
  script_xref(name:"URL", value:"https://bugzilla.suse.com/1077445");
  script_xref(name:"URL", value:"https://bugzilla.suse.com/1082063");
  script_xref(name:"URL", value:"https://bugzilla.suse.com/1082210");
  script_xref(name:"URL", value:"https://bugzilla.suse.com/1083417");
  script_xref(name:"URL", value:"https://bugzilla.suse.com/1083420");
  script_xref(name:"URL", value:"https://bugzilla.suse.com/1083422");
  script_xref(name:"URL", value:"https://bugzilla.suse.com/1083424");
  script_xref(name:"URL", value:"https://bugzilla.suse.com/1083426");
  script_xref(name:"URL", value:"https://lists.suse.com/pipermail/sle-security-updates/2018-October/004720.html");

  script_tag(name:"summary", value:"The remote host is missing an update for the 'ntp' package(s) announced via the SUSE-SU-2018:1765-2 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:

- Update to 4.2.8p11 (bsc#1082210):
 * CVE-2016-1549: Sybil vulnerability: ephemeral association
 attack. While fixed in ntp-4.2.8p7, there are significant
 additional protections for this issue in 4.2.8p11.
 * CVE-2018-7182: ctl_getitem(): buffer read overrun
 leads to undefined behavior and information leak. (bsc#1083426)
 * CVE-2018-7170: Multiple authenticated ephemeral
 associations. (bsc#1083424)
 * CVE-2018-7184: Interleaved symmetric mode cannot
 recover from bad state. (bsc#1083422)
 * CVE-2018-7185: Unauthenticated packet can reset
 authenticated interleaved association. (bsc#1083420)
 * CVE-2018-7183: ntpq:decodearr() can write beyond its
 buffer limit.(bsc#1083417)
- Don't use libevent's cached time stamps in sntp. (bsc#1077445)

This update is a reissue of the previous update with LTSS channels included.");

  script_tag(name:"affected", value:"'ntp' package(s) on SUSE Linux Enterprise Server 12-SP2.");

  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 == "SLES12.0SP2") {

  if(!isnull(res = isrpmvuln(pkg:"ntp", rpm:"ntp~4.2.8p11~64.5.1", rls:"SLES12.0SP2"))) {
    report += res;
  }

  if(!isnull(res = isrpmvuln(pkg:"ntp-doc", rpm:"ntp-doc~4.2.8p11~64.5.1", rls:"SLES12.0SP2"))) {
    report += res;
  }

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

exit(0);