Debian: Security Advisory (DLA-220-1)

# SPDX-FileCopyrightText: 2023 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("1.3.6.1.4.1.25623.1.1.1.2.2015.220");
  script_cve_id("CVE-2015-0840");
  script_tag(name:"creation_date", value:"2023-03-08 12:56:44 +0000 (Wed, 08 Mar 2023)");
  script_version("2024-02-02T05:06:10+0000");
  script_tag(name:"last_modification", value:"2024-02-02 05:06:10 +0000 (Fri, 02 Feb 2024)");
  script_tag(name:"cvss_base", value:"4.3");
  script_tag(name:"cvss_base_vector", value:"AV:N/AC:M/Au:N/C:N/I:P/A:N");

  script_name("Debian: Security Advisory (DLA-220-1)");
  script_category(ACT_GATHER_INFO);
  script_copyright("Copyright (C) 2023 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=DEB6");

  script_xref(name:"Advisory-ID", value:"DLA-220-1");
  script_xref(name:"URL", value:"https://www.debian.org/lts/security/2015/DLA-220-1");

  script_tag(name:"summary", value:"The remote host is missing an update for the Debian 'dpkg' package(s) announced via the DLA-220-1 advisory.");

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

  script_tag(name:"insight", value:"Jann Horn discovered that the source package integrity verification in dpkg-source can be bypassed via a specially crafted Debian source control file (.dsc). Note that this flaw only affects extraction of local Debian source packages via dpkg-source but not the installation of packages from the Debian archive.

For the oldoldstable distribution (squeeze), this problem has been fixed in version 1.15.12. This also fixes a similar bug discovered by Ansgar Burchardt and a bug in the same area discovered by Roger Leigh.

For the oldstable distribution (wheezy), this problem was fixed in version 1.16.16.

The stable distribution (jessie) was not affected by this problem as it was fixed before release.");

  script_tag(name:"affected", value:"'dpkg' package(s) on Debian 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-deb.inc");

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

res = "";
report = "";

if(release == "DEB6") {

  if(!isnull(res = isdpkgvuln(pkg:"dpkg", ver:"1.15.12", rls:"DEB6"))) {
    report += res;
  }

  if(!isnull(res = isdpkgvuln(pkg:"dpkg-dev", ver:"1.15.12", rls:"DEB6"))) {
    report += res;
  }

  if(!isnull(res = isdpkgvuln(pkg:"dselect", ver:"1.15.12", rls:"DEB6"))) {
    report += res;
  }

  if(!isnull(res = isdpkgvuln(pkg:"libdpkg-dev", ver:"1.15.12", rls:"DEB6"))) {
    report += res;
  }

  if(!isnull(res = isdpkgvuln(pkg:"libdpkg-perl", ver:"1.15.12", rls:"DEB6"))) {
    report += res;
  }

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

exit(0);