Mageia: Security Advisory (MGASA-2020-0084)

# 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("1.3.6.1.4.1.25623.1.1.10.2020.0084");
  script_cve_id("CVE-2019-20421");
  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:3.1/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:"2020-02-26 17:44:42 +0000 (Wed, 26 Feb 2020)");

  script_name("Mageia: Security Advisory (MGASA-2020-0084)");
  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-2020-0084");
  script_xref(name:"URL", value:"https://advisories.mageia.org/MGASA-2020-0084.html");
  script_xref(name:"URL", value:"https://bugs.mageia.org/show_bug.cgi?id=26171");
  script_xref(name:"URL", value:"https://usn.ubuntu.com/4270-1/");

  script_tag(name:"summary", value:"The remote host is missing an update for the 'exiv2' package(s) announced via the MGASA-2020-0084 advisory.");

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

  script_tag(name:"insight", value:"The updated packages fix a security vulnerability:

In Jp2Image::readMetadata() in jp2image.cpp in Exiv2 0.27.2, an input file
can result in an infinite loop and hang, with high CPU consumption. Remote
attackers could leverage this vulnerability to cause a denial of service
via a crafted file. (CVE-2019-20421)");

  script_tag(name:"affected", value:"'exiv2' 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:"exiv2", rpm:"exiv2~0.27.1~3.3.mga7", rls:"MAGEIA7"))) {
    report += res;
  }

  if(!isnull(res = isrpmvuln(pkg:"exiv2-doc", rpm:"exiv2-doc~0.27.1~3.3.mga7", rls:"MAGEIA7"))) {
    report += res;
  }

  if(!isnull(res = isrpmvuln(pkg:"lib64exiv2-devel", rpm:"lib64exiv2-devel~0.27.1~3.3.mga7", rls:"MAGEIA7"))) {
    report += res;
  }

  if(!isnull(res = isrpmvuln(pkg:"lib64exiv2_27", rpm:"lib64exiv2_27~0.27.1~3.3.mga7", rls:"MAGEIA7"))) {
    report += res;
  }

  if(!isnull(res = isrpmvuln(pkg:"libexiv2-devel", rpm:"libexiv2-devel~0.27.1~3.3.mga7", rls:"MAGEIA7"))) {
    report += res;
  }

  if(!isnull(res = isrpmvuln(pkg:"libexiv2_27", rpm:"libexiv2_27~0.27.1~3.3.mga7", rls:"MAGEIA7"))) {
    report += res;
  }

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

exit(0);