Mageia: Security Advisory (MGASA-2017-0330)

# 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("1.3.6.1.4.1.25623.1.1.10.2017.0330");
  script_cve_id("CVE-2017-2625");
  script_tag(name:"creation_date", value:"2022-01-28 10:58:44 +0000 (Fri, 28 Jan 2022)");
  script_version("2024-02-02T05:06:09+0000");
  script_tag(name:"last_modification", value:"2024-02-02 05:06:09 +0000 (Fri, 02 Feb 2024)");
  script_tag(name:"cvss_base", value:"2.1");
  script_tag(name:"cvss_base_vector", value:"AV:L/AC:L/Au:N/C:P/I:N/A:N");
  script_tag(name:"severity_vector", value:"CVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N");
  script_tag(name:"severity_origin", value:"NVD");
  script_tag(name:"severity_date", value:"2018-10-03 17:23:58 +0000 (Wed, 03 Oct 2018)");

  script_name("Mageia: Security Advisory (MGASA-2017-0330)");
  script_category(ACT_GATHER_INFO);
  script_copyright("Copyright (C) 2022 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-2017-0330");
  script_xref(name:"URL", value:"https://advisories.mageia.org/MGASA-2017-0330.html");
  script_xref(name:"URL", value:"https://bugs.mageia.org/show_bug.cgi?id=20377");
  script_xref(name:"URL", value:"https://www.x41-dsec.de/lab/advisories/x41-2017-001-xorg/");

  script_tag(name:"summary", value:"The remote host is missing an update for the 'libxdmcp' package(s) announced via the MGASA-2017-0330 advisory.");

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

  script_tag(name:"insight", value:"XDM uses weak entropy to generate the session keys on non BSD systems.
On multi user systems it might possible to check the PID of the process
and how long it is running to get an estimate of these values, which
could allow an attacker to attach to the session of a different user
(CVE-2017-2625).");

  script_tag(name:"affected", value:"'libxdmcp' 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:"lib64xdmcp-devel", rpm:"lib64xdmcp-devel~1.1.1~7.1.mga5", rls:"MAGEIA5"))) {
    report += res;
  }

  if(!isnull(res = isrpmvuln(pkg:"lib64xdmcp6", rpm:"lib64xdmcp6~1.1.1~7.1.mga5", rls:"MAGEIA5"))) {
    report += res;
  }

  if(!isnull(res = isrpmvuln(pkg:"libxdmcp", rpm:"libxdmcp~1.1.1~7.1.mga5", rls:"MAGEIA5"))) {
    report += res;
  }

  if(!isnull(res = isrpmvuln(pkg:"libxdmcp-devel", rpm:"libxdmcp-devel~1.1.1~7.1.mga5", rls:"MAGEIA5"))) {
    report += res;
  }

  if(!isnull(res = isrpmvuln(pkg:"libxdmcp6", rpm:"libxdmcp6~1.1.1~7.1.mga5", rls:"MAGEIA5"))) {
    report += res;
  }

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

exit(0);