Mageia: Security Advisory (MGASA-2019-0068)

# 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("1.3.6.1.4.1.25623.1.1.10.2019.0068");
  script_cve_id("CVE-2019-5736");
  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:"9.3");
  script_tag(name:"cvss_base_vector", value:"AV:N/AC:M/Au:N/C:C/I:C/A:C");
  script_tag(name:"severity_vector", value:"CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:C/C:H/I:H/A:H");
  script_tag(name:"severity_origin", value:"NVD");
  script_tag(name:"severity_date", value:"2019-02-19 21:34:53 +0000 (Tue, 19 Feb 2019)");

  script_name("Mageia: Security Advisory (MGASA-2019-0068)");
  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=MAGEIA6");

  script_xref(name:"Advisory-ID", value:"MGASA-2019-0068");
  script_xref(name:"URL", value:"https://advisories.mageia.org/MGASA-2019-0068.html");
  script_xref(name:"URL", value:"https://bugs.mageia.org/show_bug.cgi?id=24253");
  script_xref(name:"URL", value:"https://lists.fedoraproject.org/archives/list/[email protected]/thread/SMFQ54VEZPJT4H2C2TBILCPDX2VMAIZ2/");
  script_xref(name:"URL", value:"https://www.openwall.com/lists/oss-security/2019/02/11/2");

  script_tag(name:"summary", value:"The remote host is missing an update for the 'opencontainers-runc' package(s) announced via the MGASA-2019-0068 advisory.");

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

  script_tag(name:"insight", value:"Not using pivot_root(2) leaves the host /proc around in the mount namespace
so that it is possible to mount another /proc without any other submount,
even if /proc in the container is not fully visible. This flaw allows an
attacker to read and modify some parts of the Linux kernel memory
(rhbz#1663068).

runc through 1.0-rc6 allows attackers to overwrite the host runc binary
(and consequently obtain host root access) by leveraging the ability to
execute a command as root within one of these types of containers: a new
container with an attacker-controlled image, or an existing container, to
which the attacker previously had write access, that can be attached with
docker exec. This occurs because of file-descriptor mishandling, related
to /proc/self/exe (CVE-2019-5736).");

  script_tag(name:"affected", value:"'opencontainers-runc' package(s) on Mageia 6.");

  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 == "MAGEIA6") {

  if(!isnull(res = isrpmvuln(pkg:"opencontainers-runc", rpm:"opencontainers-runc~1.0.0rc5~3.2.mga6", rls:"MAGEIA6"))) {
    report += res;
  }

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

exit(0);