Slackware: Security Advisory (SSA:2016-120-01)

# 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("1.3.6.1.4.1.25623.1.1.13.2016.120.01");
  script_cve_id("CVE-2015-7704", "CVE-2015-8138", "CVE-2016-1547", "CVE-2016-1548", "CVE-2016-1549", "CVE-2016-1550", "CVE-2016-1551", "CVE-2016-2516", "CVE-2016-2517", "CVE-2016-2518", "CVE-2016-2519");
  script_tag(name:"creation_date", value:"2022-04-21 12:12:27 +0000 (Thu, 21 Apr 2022)");
  script_version("2025-01-14T05:37:02+0000");
  script_tag(name:"last_modification", value:"2025-01-14 05:37:02 +0000 (Tue, 14 Jan 2025)");
  script_tag(name:"cvss_base", value:"7.1");
  script_tag(name:"cvss_base_vector", value:"AV:N/AC:M/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:"2017-08-15 14:16:19 +0000 (Tue, 15 Aug 2017)");

  script_name("Slackware: Security Advisory (SSA:2016-120-01)");
  script_category(ACT_GATHER_INFO);
  script_copyright("Copyright (C) 2022 Greenbone AG");
  script_family("Slackware Local Security Checks");
  script_dependencies("gather-package-list.nasl");
  script_mandatory_keys("ssh/login/slackware_linux", "ssh/login/slackpack", re:"ssh/login/release=SLK(13\.0|13\.1|13\.37|14\.0|14\.1|current)");

  script_xref(name:"Advisory-ID", value:"SSA:2016-120-01");
  script_xref(name:"URL", value:"http://www.slackware.com/security/viewer.php?l=slackware-security&y=2016&m=slackware-security.630758");
  script_xref(name:"URL", value:"http://support.ntp.org/bin/view/Main/SecurityNotice#Recent_Vulnerabilities");

  script_tag(name:"summary", value:"The remote host is missing an update for the 'ntp' package(s) announced via the SSA:2016-120-01 advisory.");

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

  script_tag(name:"insight", value:"New ntp packages are available for Slackware 13.0, 13.1, 13.37, 14.0, 14.1,
and -current to fix security issues.


Here are the details from the Slackware 14.1 ChangeLog:
+--------------------------+
patches/packages/ntp-4.2.8p7-i486-1_slack14.1.txz: Upgraded.
 This release patches several low and medium severity security issues:
 CVE-2016-1551: Refclock impersonation vulnerability, AKA: refclock-peering
 CVE-2016-1549: Sybil vulnerability: ephemeral association attack,
 AKA: ntp-sybil - MITIGATION ONLY
 CVE-2016-2516: Duplicate IPs on unconfig directives will cause an assertion
 botch
 CVE-2016-2517: Remote configuration trustedkey/requestkey values are not
 properly validated
 CVE-2016-2518: Crafted addpeer with hmode > 7 causes array wraparound with
 MATCH_ASSOC
 CVE-2016-2519: ctl_getitem() return value not always checked
 CVE-2016-1547: Validate crypto-NAKs, AKA: nak-dos
 CVE-2016-1548: Interleave-pivot - MITIGATION ONLY
 CVE-2015-7704: KoD fix: peer associations were broken by the fix for
 NtpBug2901, AKA: Symmetric active/passive mode is broken
 CVE-2015-8138: Zero Origin Timestamp Bypass, AKA: Additional KoD Checks
 CVE-2016-1550: Improve NTP security against buffer comparison timing attacks,
 authdecrypt-timing, AKA: authdecrypt-timing
 For more information, see:
 [links moved to references]
 (* Security fix *)
+--------------------------+");

  script_tag(name:"affected", value:"'ntp' package(s) on Slackware 13.0, Slackware 13.1, Slackware 13.37, Slackware 14.0, Slackware 14.1, Slackware current.");

  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-slack.inc");

release = slk_get_ssh_release();
if(!release)
  exit(0);

res = "";
report = "";

if(release == "SLK13.0") {

  if(!isnull(res = isslkpkgvuln(pkg:"ntp", ver:"4.2.8p7-i486-1_slack13.0", rls:"SLK13.0"))) {
    report += res;
  }

  if(!isnull(res = isslkpkgvuln(pkg:"ntp", ver:"4.2.8p7-x86_64-1_slack13.0", rls:"SLK13.0"))) {
    report += res;
  }

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

if(release == "SLK13.1") {

  if(!isnull(res = isslkpkgvuln(pkg:"ntp", ver:"4.2.8p7-i486-1_slack13.1", rls:"SLK13.1"))) {
    report += res;
  }

  if(!isnull(res = isslkpkgvuln(pkg:"ntp", ver:"4.2.8p7-x86_64-1_slack13.1", rls:"SLK13.1"))) {
    report += res;
  }

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

if(release == "SLK13.37") {

  if(!isnull(res = isslkpkgvuln(pkg:"ntp", ver:"4.2.8p7-i486-1_slack13.37", rls:"SLK13.37"))) {
    report += res;
  }

  if(!isnull(res = isslkpkgvuln(pkg:"ntp", ver:"4.2.8p7-x86_64-1_slack13.37", rls:"SLK13.37"))) {
    report += res;
  }

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

if(release == "SLK14.0") {

  if(!isnull(res = isslkpkgvuln(pkg:"ntp", ver:"4.2.8p7-i486-1_slack14.0", rls:"SLK14.0"))) {
    report += res;
  }

  if(!isnull(res = isslkpkgvuln(pkg:"ntp", ver:"4.2.8p7-x86_64-1_slack14.0", rls:"SLK14.0"))) {
    report += res;
  }

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

if(release == "SLK14.1") {

  if(!isnull(res = isslkpkgvuln(pkg:"ntp", ver:"4.2.8p7-i486-1_slack14.1", rls:"SLK14.1"))) {
    report += res;
  }

  if(!isnull(res = isslkpkgvuln(pkg:"ntp", ver:"4.2.8p7-x86_64-1_slack14.1", rls:"SLK14.1"))) {
    report += res;
  }

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

if(release == "SLKcurrent") {

  if(!isnull(res = isslkpkgvuln(pkg:"ntp", ver:"4.2.8p7-i586-1", rls:"SLKcurrent"))) {
    report += res;
  }

  if(!isnull(res = isslkpkgvuln(pkg:"ntp", ver:"4.2.8p7-x86_64-1", rls:"SLKcurrent"))) {
    report += res;
  }

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

exit(0);