Debian: Security Advisory (DSA-4017-1)

# 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("1.3.6.1.4.1.25623.1.0.704017");
  script_cve_id("CVE-2017-3735", "CVE-2017-3736");
  script_tag(name:"creation_date", value:"2017-11-02 23:00:00 +0000 (Thu, 02 Nov 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:"5.0");
  script_tag(name:"cvss_base_vector", value:"AV:N/AC:L/Au:N/C:N/I:P/A:N");
  script_tag(name:"severity_vector", value:"CVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N");
  script_tag(name:"severity_origin", value:"NVD");
  script_tag(name:"severity_date", value:"2017-11-30 15:46:05 +0000 (Thu, 30 Nov 2017)");

  script_name("Debian: Security Advisory (DSA-4017-1)");
  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-4017-1");
  script_xref(name:"URL", value:"https://www.debian.org/security/2017/DSA-4017-1");
  script_xref(name:"URL", value:"https://security-tracker.debian.org/tracker/DSA-4017");
  script_xref(name:"URL", value:"https://www.openssl.org/news/secadv/20170828.txt");
  script_xref(name:"URL", value:"https://www.openssl.org/news/secadv/20171102.txt");

  script_tag(name:"summary", value:"The remote host is missing an update for the Debian 'openssl1.0' package(s) announced via the DSA-4017-1 advisory.");

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

  script_tag(name:"insight", value:"Multiple vulnerabilities have been discovered in OpenSSL, a Secure Sockets Layer toolkit. The Common Vulnerabilities and Exposures project identifies the following issues:

CVE-2017-3735

It was discovered that OpenSSL is prone to a one-byte buffer overread while parsing a malformed IPAddressFamily extension in an X.509 certificate.

Details can be found in the upstream advisory: [link moved to references]

CVE-2017-3736

It was discovered that OpenSSL contains a carry propagation bug in the x86_64 Montgomery squaring procedure.

Details can be found in the upstream advisory: [link moved to references]

For the stable distribution (stretch), these problems have been fixed in version 1.0.2l-2+deb9u1.

For the unstable distribution (sid), these problems have been fixed in version 1.0.2m-1.

We recommend that you upgrade your openssl1.0 packages.");

  script_tag(name:"affected", value:"'openssl1.0' 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:"libcrypto1.0.2-udeb", ver:"1.0.2l-2+deb9u1", rls:"DEB9"))) {
    report += res;
  }

  if(!isnull(res = isdpkgvuln(pkg:"libssl1.0-dev", ver:"1.0.2l-2+deb9u1", rls:"DEB9"))) {
    report += res;
  }

  if(!isnull(res = isdpkgvuln(pkg:"libssl1.0.2", ver:"1.0.2l-2+deb9u1", rls:"DEB9"))) {
    report += res;
  }

  if(!isnull(res = isdpkgvuln(pkg:"libssl1.0.2-udeb", ver:"1.0.2l-2+deb9u1", rls:"DEB9"))) {
    report += res;
  }

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

exit(0);