Debian: Security Advisory (DSA-4869-1)

# SPDX-FileCopyrightText: 2021 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("1.3.6.1.4.1.25623.1.0.704869");
  script_cve_id("CVE-2020-35523", "CVE-2020-35524");
  script_tag(name:"creation_date", value:"2021-03-14 04:00:06 +0000 (Sun, 14 Mar 2021)");
  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:L/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:"2021-03-16 16:58:02 +0000 (Tue, 16 Mar 2021)");

  script_name("Debian: Security Advisory (DSA-4869-1)");
  script_category(ACT_GATHER_INFO);
  script_copyright("Copyright (C) 2021 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=DEB10");

  script_xref(name:"Advisory-ID", value:"DSA-4869-1");
  script_xref(name:"URL", value:"https://www.debian.org/security/2021/DSA-4869-1");
  script_xref(name:"URL", value:"https://security-tracker.debian.org/tracker/DSA-4869");
  script_xref(name:"URL", value:"https://security-tracker.debian.org/tracker/tiff");

  script_tag(name:"summary", value:"The remote host is missing an update for the Debian 'tiff' package(s) announced via the DSA-4869-1 advisory.");

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

  script_tag(name:"insight", value:"Two vulnerabilities have been discovered in the libtiff library and the included tools, which may result in denial of service or the execution of arbitrary code if malformed image files are processed.

For the stable distribution (buster), these problems have been fixed in version 4.1.0+git191117-2~deb10u2.

We recommend that you upgrade your tiff packages.

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

  script_tag(name:"affected", value:"'tiff' package(s) on 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:"libtiff-dev", ver:"4.1.0+git191117-2~deb10u2", rls:"DEB10"))) {
    report += res;
  }

  if(!isnull(res = isdpkgvuln(pkg:"libtiff-doc", ver:"4.1.0+git191117-2~deb10u2", rls:"DEB10"))) {
    report += res;
  }

  if(!isnull(res = isdpkgvuln(pkg:"libtiff-opengl", ver:"4.1.0+git191117-2~deb10u2", rls:"DEB10"))) {
    report += res;
  }

  if(!isnull(res = isdpkgvuln(pkg:"libtiff-tools", ver:"4.1.0+git191117-2~deb10u2", rls:"DEB10"))) {
    report += res;
  }

  if(!isnull(res = isdpkgvuln(pkg:"libtiff5", ver:"4.1.0+git191117-2~deb10u2", rls:"DEB10"))) {
    report += res;
  }

  if(!isnull(res = isdpkgvuln(pkg:"libtiff5-dev", ver:"4.1.0+git191117-2~deb10u2", rls:"DEB10"))) {
    report += res;
  }

  if(!isnull(res = isdpkgvuln(pkg:"libtiffxx5", ver:"4.1.0+git191117-2~deb10u2", rls:"DEB10"))) {
    report += res;
  }

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

exit(0);