Debian: Security Advisory (DLA-427-1)

# 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("1.3.6.1.4.1.25623.1.1.1.2.2016.427");
  script_cve_id("CVE-2016-1938");
  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:"6.4");
  script_tag(name:"cvss_base_vector", value:"AV:N/AC:L/Au:N/C:P/I:P/A:N");
  script_tag(name:"severity_vector", value:"CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:N");
  script_tag(name:"severity_origin", value:"NVD");
  script_tag(name:"severity_date", value:"2016-02-10 14:30:03 +0000 (Wed, 10 Feb 2016)");

  script_name("Debian: Security Advisory (DLA-427-1)");
  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-427-1");
  script_xref(name:"URL", value:"https://www.debian.org/lts/security/2016/DLA-427-1");

  script_tag(name:"summary", value:"The remote host is missing an update for the Debian 'nss' package(s) announced via the DLA-427-1 advisory.");

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

  script_tag(name:"insight", value:"The s_mp_div function in Mozilla Network Security Services (NSS) before 3.21, improperly divides numbers, which might make it easier for remote attackers to defeat cryptographic protection mechanisms by leveraging use of the (1) mp_div or (2) mp_exptmod function.

For the oldoldstable distribution (squeeze), these problem has been fixed in version 3.12.8-1+squeeze14.

We recommend that you upgrade your nss packages.");

  script_tag(name:"affected", value:"'nss' 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:"libnss3-1d", ver:"3.12.8-1+squeeze14", rls:"DEB6"))) {
    report += res;
  }

  if(!isnull(res = isdpkgvuln(pkg:"libnss3-1d-dbg", ver:"3.12.8-1+squeeze14", rls:"DEB6"))) {
    report += res;
  }

  if(!isnull(res = isdpkgvuln(pkg:"libnss3-dev", ver:"3.12.8-1+squeeze14", rls:"DEB6"))) {
    report += res;
  }

  if(!isnull(res = isdpkgvuln(pkg:"libnss3-tools", ver:"3.12.8-1+squeeze14", rls:"DEB6"))) {
    report += res;
  }

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

exit(0);