Mageia: Security Advisory (MGASA-2017-0183)

# 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("1.3.6.1.4.1.25623.1.1.10.2017.0183");
  script_cve_id("CVE-2017-8779");
  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:"7.8");
  script_tag(name:"cvss_base_vector", value:"AV:N/AC:L/Au:N/C:N/I:N/A:C");
  script_tag(name:"severity_vector", value:"CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H");
  script_tag(name:"severity_origin", value:"NVD");
  script_tag(name:"severity_date", value:"2017-05-17 16:12:17 +0000 (Wed, 17 May 2017)");

  script_name("Mageia: Security Advisory (MGASA-2017-0183)");
  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-2017-0183");
  script_xref(name:"URL", value:"https://advisories.mageia.org/MGASA-2017-0183.html");
  script_xref(name:"URL", value:"https://bugs.mageia.org/show_bug.cgi?id=20788");
  script_xref(name:"URL", value:"http://openwall.com/lists/oss-security/2017/05/04/3");

  script_tag(name:"summary", value:"The remote host is missing an update for the 'libtirpc, rpcbind' package(s) announced via the MGASA-2017-0183 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 rpcbind and libtirpc contain a vulnerability that
allows an attacker to allocate any amount of bytes (up to 4 gigabytes per
attack) on a remote rpcbind host, and the memory is never freed unless the
process crashes or the administrator halts or restarts the rpcbind
service. This can slow down the system's operations significantly or
prevent other services from spawning processes entirely (CVE-2017-8779).");

  script_tag(name:"affected", value:"'libtirpc, rpcbind' 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:"lib64tirpc-devel", rpm:"lib64tirpc-devel~0.2.5~3.2.mga5", rls:"MAGEIA5"))) {
    report += res;
  }

  if(!isnull(res = isrpmvuln(pkg:"lib64tirpc1", rpm:"lib64tirpc1~0.2.5~3.2.mga5", rls:"MAGEIA5"))) {
    report += res;
  }

  if(!isnull(res = isrpmvuln(pkg:"libtirpc", rpm:"libtirpc~0.2.5~3.2.mga5", rls:"MAGEIA5"))) {
    report += res;
  }

  if(!isnull(res = isrpmvuln(pkg:"libtirpc-devel", rpm:"libtirpc-devel~0.2.5~3.2.mga5", rls:"MAGEIA5"))) {
    report += res;
  }

  if(!isnull(res = isrpmvuln(pkg:"libtirpc1", rpm:"libtirpc1~0.2.5~3.2.mga5", rls:"MAGEIA5"))) {
    report += res;
  }

  if(!isnull(res = isrpmvuln(pkg:"rpcbind", rpm:"rpcbind~0.2.2~1.2.mga5", rls:"MAGEIA5"))) {
    report += res;
  }

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

exit(0);