Mageia: Security Advisory (MGASA-2015-0418)

# SPDX-FileCopyrightText: 2015 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("1.3.6.1.4.1.25623.1.0.131123");
  script_cve_id("CVE-2015-7850", "CVE-2015-7853", "CVE-2015-7855");
  script_tag(name:"creation_date", value:"2015-11-08 11:02:17 +0000 (Sun, 08 Nov 2015)");
  script_version("2024-02-02T05:06:05+0000");
  script_tag(name:"last_modification", value:"2024-02-02 05:06:05 +0000 (Fri, 02 Feb 2024)");
  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:3.1/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:"2017-08-15 13:54:12 +0000 (Tue, 15 Aug 2017)");

  script_name("Mageia: Security Advisory (MGASA-2015-0418)");
  script_category(ACT_GATHER_INFO);
  script_copyright("Copyright (C) 2015 Greenbone AG");
  script_family("Mageia Linux Local Security Checks");
  script_dependencies("gather-package-list.nasl");
  script_mandatory_keys("ssh/login/mageia_linux", "ssh/login/release", re:"ssh/login/release=MAGEIA5");

  script_xref(name:"Advisory-ID", value:"MGASA-2015-0418");
  script_xref(name:"URL", value:"https://advisories.mageia.org/MGASA-2015-0418.html");
  script_xref(name:"URL", value:"https://bugs.mageia.org/show_bug.cgi?id=17041");
  script_xref(name:"URL", value:"http://support.ntp.org/bin/view/Main/SecurityNotice#October_2015_NTP_Security_Vulner");
  script_xref(name:"URL", value:"http://www.ubuntu.com/usn/usn-2783-1/");

  script_tag(name:"summary", value:"The remote host is missing an update for the 'ntp' package(s) announced via the MGASA-2015-0418 advisory.");

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

  script_tag(name:"insight", value:"Yves Younan discovered that NTP incorrectly handled logfile and
keyfile directives. In a non-default configuration, a remote
authenticated attacker could possibly use this issue to cause NTP to
enter a loop, resulting in a denial of service (CVE-2015-7850).

Yves Younan discovered that NTP incorrectly handled reference clock
memory. A malicious refclock could possibly use this issue to cause NTP
to crash, resulting in a denial of service, or possibly execute
arbitrary code (CVE-2015-7853).

John D 'Doug' Birdwell discovered that NTP incorrectly handled decoding
certain bogus values. An attacker could possibly use this issue to
cause NTP to crash, resulting in a denial of service (CVE-2015-7855).");

  script_tag(name:"affected", value:"'ntp' package(s) on Mageia 5.");

  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 == "MAGEIA5") {

  if(!isnull(res = isrpmvuln(pkg:"ntp", rpm:"ntp~4.2.6p5~24.3.mga5", rls:"MAGEIA5"))) {
    report += res;
  }

  if(!isnull(res = isrpmvuln(pkg:"ntp-client", rpm:"ntp-client~4.2.6p5~24.3.mga5", rls:"MAGEIA5"))) {
    report += res;
  }

  if(!isnull(res = isrpmvuln(pkg:"ntp-doc", rpm:"ntp-doc~4.2.6p5~24.3.mga5", rls:"MAGEIA5"))) {
    report += res;
  }

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

exit(0);