Mageia: Security Advisory (MGASA-2020-0211)

# 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("1.3.6.1.4.1.25623.1.1.10.2020.0211");
  script_cve_id("CVE-2020-10188");
  script_tag(name:"creation_date", value:"2022-01-28 10:58:44 +0000 (Fri, 28 Jan 2022)");
  script_version("2024-10-23T05:05:59+0000");
  script_tag(name:"last_modification", value:"2024-10-23 05:05:59 +0000 (Wed, 23 Oct 2024)");
  script_tag(name:"cvss_base", value:"10.0");
  script_tag(name:"cvss_base_vector", value:"AV:N/AC:L/Au:N/C:C/I:C/A:C");
  script_tag(name:"severity_vector", value:"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H");
  script_tag(name:"severity_origin", value:"NVD");
  script_tag(name:"severity_date", value:"2020-03-06 19:22:03 +0000 (Fri, 06 Mar 2020)");

  script_name("Mageia: Security Advisory (MGASA-2020-0211)");
  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-2020-0211");
  script_xref(name:"URL", value:"https://advisories.mageia.org/MGASA-2020-0211.html");
  script_xref(name:"URL", value:"https://access.redhat.com/errata/RHSA-2020:1349");
  script_xref(name:"URL", value:"https://bugs.mageia.org/show_bug.cgi?id=26296");

  script_tag(name:"summary", value:"The remote host is missing an update for the 'netkit-telnet' package(s) announced via the MGASA-2020-0211 advisory.");

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

  script_tag(name:"insight", value:"Updated netkit-telnetd packages fix security vulnerability:

A vulnerability was found where incorrect bounds checks in the telnet
server's (telnetd) handling of short writes and urgent data, could lead
to information disclosure and corruption of heap data. An unauthenticated
remote attacker could exploit these bugs by sending specially crafted
telnet packets to achieve arbitrary code execution in the telnet server
(CVE-2020-10188).");

  script_tag(name:"affected", value:"'netkit-telnet' 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:"netkit-telnet", rpm:"netkit-telnet~0.17~18.1.mga7", rls:"MAGEIA7"))) {
    report += res;
  }

  if(!isnull(res = isrpmvuln(pkg:"netkit-telnet-server", rpm:"netkit-telnet-server~0.17~18.1.mga7", rls:"MAGEIA7"))) {
    report += res;
  }

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

exit(0);