Mageia: Security Advisory (MGASA-2021-0016)

# 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("1.3.6.1.4.1.25623.1.1.10.2021.0016");
  script_cve_id("CVE-2020-4044");
  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:"4.6");
  script_tag(name:"cvss_base_vector", value:"AV:L/AC:L/Au:N/C:P/I:P/A:P");
  script_tag(name:"severity_vector", value:"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H");
  script_tag(name:"severity_origin", value:"NVD");
  script_tag(name:"severity_date", value:"2020-07-13 00:26:52 +0000 (Mon, 13 Jul 2020)");

  script_name("Mageia: Security Advisory (MGASA-2021-0016)");
  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=MAGEIA7");

  script_xref(name:"Advisory-ID", value:"MGASA-2021-0016");
  script_xref(name:"URL", value:"https://advisories.mageia.org/MGASA-2021-0016.html");
  script_xref(name:"URL", value:"https://bugs.mageia.org/show_bug.cgi?id=26931");
  script_xref(name:"URL", value:"https://www.debian.org/security/2020/dsa-4737");
  script_xref(name:"URL", value:"https://lists.fedoraproject.org/archives/list/[email protected]/thread/7FYD6USHZXDI2EAZVGOVFMAE7ILP3SPL/");

  script_tag(name:"summary", value:"The remote host is missing an update for the 'xrdp' package(s) announced via the MGASA-2021-0016 advisory.");

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

  script_tag(name:"insight", value:"Ashley Newson discovered that the XRDP sessions manager was susceptible to
denial of service. A local attacker can further take advantage of this flaw to
impersonate the XRDP sessions manager and capture any user credentials that are
submitted to XRDP, approve or reject arbitrary login credentials or to hijack
existing sessions for xorgxrdp sessions (CVE-2020-4044).");

  script_tag(name:"affected", value:"'xrdp' package(s) on Mageia 7.");

  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 == "MAGEIA7") {

  if(!isnull(res = isrpmvuln(pkg:"xrdp", rpm:"xrdp~0.9.10~1.1.mga7", rls:"MAGEIA7"))) {
    report += res;
  }

  if(!isnull(res = isrpmvuln(pkg:"xrdp-devel", rpm:"xrdp-devel~0.9.10~1.1.mga7", rls:"MAGEIA7"))) {
    report += res;
  }

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

exit(0);