Debian: Security Advisory (DSA-4618-1)

# SPDX-FileCopyrightText: 2020 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("1.3.6.1.4.1.25623.1.0.704618");
  script_cve_id("CVE-2019-9278", "CVE-2020-0181");
  script_tag(name:"creation_date", value:"2020-02-07 04:00:07 +0000 (Fri, 07 Feb 2020)");
  script_version("2024-02-02T05:06:07+0000");
  script_tag(name:"last_modification", value:"2024-02-02 05:06:07 +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:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H");
  script_tag(name:"severity_origin", value:"NVD");
  script_tag(name:"severity_date", value:"2019-09-30 19:13:26 +0000 (Mon, 30 Sep 2019)");

  script_name("Debian: Security Advisory (DSA-4618-1)");
  script_category(ACT_GATHER_INFO);
  script_copyright("Copyright (C) 2020 Greenbone AG");
  script_family("Debian Local Security Checks");
  script_dependencies("gather-package-list.nasl");
  script_mandatory_keys("ssh/login/debian_linux", "ssh/login/packages", re:"ssh/login/release=DEB(10|9)");

  script_xref(name:"Advisory-ID", value:"DSA-4618-1");
  script_xref(name:"URL", value:"https://www.debian.org/security/2020/DSA-4618-1");
  script_xref(name:"URL", value:"https://security-tracker.debian.org/tracker/DSA-4618");
  script_xref(name:"URL", value:"https://security-tracker.debian.org/tracker/libexif");

  script_tag(name:"summary", value:"The remote host is missing an update for the Debian 'libexif' package(s) announced via the DSA-4618-1 advisory.");

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

  script_tag(name:"insight", value:"An out-of-bounds write vulnerability due to an integer overflow was reported in libexif, a library to parse EXIF files, which could result in denial of service, or potentially the execution of arbitrary code if specially crafted image files are processed.

For the oldstable distribution (stretch), this problem has been fixed in version 0.6.21-2+deb9u1.

For the stable distribution (buster), this problem has been fixed in version 0.6.21-5.1+deb10u1.

We recommend that you upgrade your libexif packages.

For the detailed security status of libexif please refer to its security tracker page at: [link moved to references]");

  script_tag(name:"affected", value:"'libexif' package(s) on Debian 9, Debian 10.");

  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-deb.inc");

release = dpkg_get_ssh_release();
if(!release)
  exit(0);

res = "";
report = "";

if(release == "DEB10") {

  if(!isnull(res = isdpkgvuln(pkg:"libexif-dev", ver:"0.6.21-5.1+deb10u1", rls:"DEB10"))) {
    report += res;
  }

  if(!isnull(res = isdpkgvuln(pkg:"libexif-doc", ver:"0.6.21-5.1+deb10u1", rls:"DEB10"))) {
    report += res;
  }

  if(!isnull(res = isdpkgvuln(pkg:"libexif12", ver:"0.6.21-5.1+deb10u1", rls:"DEB10"))) {
    report += res;
  }

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

if(release == "DEB9") {

  if(!isnull(res = isdpkgvuln(pkg:"libexif-dev", ver:"0.6.21-2+deb9u1", rls:"DEB9"))) {
    report += res;
  }

  if(!isnull(res = isdpkgvuln(pkg:"libexif12", ver:"0.6.21-2+deb9u1", rls:"DEB9"))) {
    report += res;
  }

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

exit(0);