Debian: Security Advisory (DSA-4072-1)

# SPDX-FileCopyrightText: 2017 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("1.3.6.1.4.1.25623.1.0.704072");
  script_cve_id("CVE-2017-13098");
  script_tag(name:"creation_date", value:"2017-12-20 23:00:00 +0000 (Wed, 20 Dec 2017)");
  script_version("2024-02-02T05:06:06+0000");
  script_tag(name:"last_modification", value:"2024-02-02 05:06:06 +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:P/I:N/A:N");
  script_tag(name:"severity_vector", value:"CVSS:3.0/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:N/A:N");
  script_tag(name:"severity_origin", value:"NVD");
  script_tag(name:"severity_date", value:"2018-01-04 18:32:05 +0000 (Thu, 04 Jan 2018)");

  script_name("Debian: Security Advisory (DSA-4072-1)");
  script_category(ACT_GATHER_INFO);
  script_copyright("Copyright (C) 2017 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=DEB9");

  script_xref(name:"Advisory-ID", value:"DSA-4072-1");
  script_xref(name:"URL", value:"https://www.debian.org/security/2017/DSA-4072-1");
  script_xref(name:"URL", value:"https://security-tracker.debian.org/tracker/DSA-4072");
  script_xref(name:"URL", value:"https://security-tracker.debian.org/tracker/bouncycastle");

  script_tag(name:"summary", value:"The remote host is missing an update for the Debian 'bouncycastle' package(s) announced via the DSA-4072-1 advisory.");

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

  script_tag(name:"insight", value:"Hanno Boeck, Juraj Somorovsky and Craig Young discovered that the TLS implementation in Bouncy Castle is vulnerable to an adaptive chosen ciphertext attack against RSA keys.

For the stable distribution (stretch), this problem has been fixed in version 1.56-1+deb9u1.

We recommend that you upgrade your bouncycastle packages.

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

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

  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 == "DEB9") {

  if(!isnull(res = isdpkgvuln(pkg:"libbcmail-java", ver:"1.56-1+deb9u1", rls:"DEB9"))) {
    report += res;
  }

  if(!isnull(res = isdpkgvuln(pkg:"libbcmail-java-doc", ver:"1.56-1+deb9u1", rls:"DEB9"))) {
    report += res;
  }

  if(!isnull(res = isdpkgvuln(pkg:"libbcpg-java", ver:"1.56-1+deb9u1", rls:"DEB9"))) {
    report += res;
  }

  if(!isnull(res = isdpkgvuln(pkg:"libbcpg-java-doc", ver:"1.56-1+deb9u1", rls:"DEB9"))) {
    report += res;
  }

  if(!isnull(res = isdpkgvuln(pkg:"libbcpkix-java", ver:"1.56-1+deb9u1", rls:"DEB9"))) {
    report += res;
  }

  if(!isnull(res = isdpkgvuln(pkg:"libbcpkix-java-doc", ver:"1.56-1+deb9u1", rls:"DEB9"))) {
    report += res;
  }

  if(!isnull(res = isdpkgvuln(pkg:"libbcprov-java", ver:"1.56-1+deb9u1", rls:"DEB9"))) {
    report += res;
  }

  if(!isnull(res = isdpkgvuln(pkg:"libbcprov-java-doc", ver:"1.56-1+deb9u1", rls:"DEB9"))) {
    report += res;
  }

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

exit(0);