Mageia: Security Advisory (MGASA-2016-0389)

# 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("1.3.6.1.4.1.25623.1.1.10.2016.0389");
  script_cve_id("CVE-2016-7076");
  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:"7.2");
  script_tag(name:"cvss_base_vector", value:"AV:L/AC:L/Au:N/C:C/I:C/A:C");
  script_tag(name:"severity_vector", value:"CVSS:3.0/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:"2018-07-09 14:21:14 +0000 (Mon, 09 Jul 2018)");

  script_name("Mageia: Security Advisory (MGASA-2016-0389)");
  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-2016-0389");
  script_xref(name:"URL", value:"https://advisories.mageia.org/MGASA-2016-0389.html");
  script_xref(name:"URL", value:"https://bugs.mageia.org/show_bug.cgi?id=19762");
  script_xref(name:"URL", value:"https://www.sudo.ws/alerts/noexec_wordexp.html");
  script_xref(name:"URL", value:"https://www.sudo.ws/stable.html#1.8.18p1");
  script_xref(name:"URL", value:"https://lists.fedoraproject.org/archives/list/[email protected]/thread/DBELDP5KT7URCP7P3RQFYBBKPBNLAJY6/");

  script_tag(name:"summary", value:"The remote host is missing an update for the 'sudo' package(s) announced via the MGASA-2016-0389 advisory.");

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

  script_tag(name:"insight", value:"It was discovered that the sudo noexec restriction could have been
bypassed if application run via sudo executed wordexp() C library function
with a user supplied argument. A local user permitted to run such
application via sudo with noexec restriction could possibly use this flaw
to execute arbitrary commands with elevated privileges (CVE-2016-7076).");

  script_tag(name:"affected", value:"'sudo' 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:"sudo", rpm:"sudo~1.8.18p1~1.mga5", rls:"MAGEIA5"))) {
    report += res;
  }

  if(!isnull(res = isrpmvuln(pkg:"sudo-devel", rpm:"sudo-devel~1.8.18p1~1.mga5", rls:"MAGEIA5"))) {
    report += res;
  }

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

exit(0);