Mageia: Security Advisory (MGASA-2019-0051)

# 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("1.3.6.1.4.1.25623.1.1.10.2019.0051");
  script_cve_id("CVE-2019-3806", "CVE-2019-3807");
  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:"6.8");
  script_tag(name:"cvss_base_vector", value:"AV:N/AC:M/Au:N/C:P/I:P/A:P");
  script_tag(name:"severity_vector", value:"CVSS:3.0/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:"2019-01-29 20:43:52 +0000 (Tue, 29 Jan 2019)");

  script_name("Mageia: Security Advisory (MGASA-2019-0051)");
  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-2019-0051");
  script_xref(name:"URL", value:"https://advisories.mageia.org/MGASA-2019-0051.html");
  script_xref(name:"URL", value:"https://bugs.mageia.org/show_bug.cgi?id=24218");
  script_xref(name:"URL", value:"https://docs.powerdns.com/recursor/security-advisories/powerdns-advisory-2019-01.html");
  script_xref(name:"URL", value:"https://docs.powerdns.com/recursor/security-advisories/powerdns-advisory-2019-02.html");

  script_tag(name:"summary", value:"The remote host is missing an update for the 'pdns-recursor' package(s) announced via the MGASA-2019-0051 advisory.");

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

  script_tag(name:"insight", value:"An issue has been found in PowerDNS Recursor where Lua hooks are not
properly applied to queries received over TCP in some specific
combination of settings, possibly bypassing security policies enforced
using Lua (CVE-2019-3806).

An issue has been found in PowerDNS Recursor where records in the answer
section of responses received from authoritative servers with the AA
flag not set were not properly validated, allowing an attacker to bypass
DNSSEC validation (CVE-2019-3807).");

  script_tag(name:"affected", value:"'pdns-recursor' 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:"pdns-recursor", rpm:"pdns-recursor~4.1.9~1.mga6", rls:"MAGEIA6"))) {
    report += res;
  }

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

exit(0);