Mageia: Security Advisory (MGASA-2016-0038)

# SPDX-FileCopyrightText: 2016 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("1.3.6.1.4.1.25623.1.0.131204");
  script_cve_id("CVE-2016-1567");
  script_tag(name:"creation_date", value:"2016-02-02 05:44:20 +0000 (Tue, 02 Feb 2016)");
  script_version("2024-10-23T05:05:58+0000");
  script_tag(name:"last_modification", value:"2024-10-23 05:05:58 +0000 (Wed, 23 Oct 2024)");
  script_tag(name:"cvss_base", value:"6.8");
  script_tag(name:"cvss_base_vector", value:"AV:N/AC:M/Au:N/C:P/I:P/A:P");
  script_tag(name:"severity_vector", value:"CVSS:3.0/AV:N/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:"2016-01-27 18:30:39 +0000 (Wed, 27 Jan 2016)");

  script_name("Mageia: Security Advisory (MGASA-2016-0038)");
  script_category(ACT_GATHER_INFO);
  script_copyright("Copyright (C) 2016 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-2016-0038");
  script_xref(name:"URL", value:"https://advisories.mageia.org/MGASA-2016-0038.html");
  script_xref(name:"URL", value:"http://chrony.tuxfamily.org/news.html#_20_jan_2016_chrony_2_2_1_and_chrony_1_31_2_released");
  script_xref(name:"URL", value:"http://www.talosintel.com/reports/TALOS-2016-0071/");
  script_xref(name:"URL", value:"https://bugs.mageia.org/show_bug.cgi?id=17605");

  script_tag(name:"summary", value:"The remote host is missing an update for the 'chrony' package(s) announced via the MGASA-2016-0038 advisory.");

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

  script_tag(name:"insight", value:"In chrony before 1.31.2, when used with symmetric key encryption, the
client would accept packets encrypted with keys for any configured server,
allowing a server to impersonate other servers to clients, thus performing
a man-in-the-middle attack (CVE-2016-1567).");

  script_tag(name:"affected", value:"'chrony' 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:"chrony", rpm:"chrony~1.31.2~1.mga5", rls:"MAGEIA5"))) {
    report += res;
  }

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

exit(0);