Debian: Security Advisory (DLA-1594-1)

# SPDX-FileCopyrightText: 2018 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("1.3.6.1.4.1.25623.1.0.891594");
  script_tag(name:"creation_date", value:"2018-11-25 23:00:00 +0000 (Sun, 25 Nov 2018)");
  script_version("2024-01-12T16:12:11+0000");
  script_tag(name:"last_modification", value:"2024-01-12 16:12:11 +0000 (Fri, 12 Jan 2024)");
  script_tag(name:"cvss_base", value:"5.0");
  script_tag(name:"cvss_base_vector", value:"AV:N/AC:L/Au:N/C:P/I:N/A:N");

  script_name("Debian: Security Advisory (DLA-1594-1)");
  script_category(ACT_GATHER_INFO);
  script_copyright("Copyright (C) 2018 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=DEB8");

  script_xref(name:"Advisory-ID", value:"DLA-1594-1");
  script_xref(name:"URL", value:"https://www.debian.org/lts/security/2018/DLA-1594-1");
  script_xref(name:"URL", value:"https://wiki.debian.org/LTS");

  script_tag(name:"summary", value:"The remote host is missing an update for the Debian 'xml-security-c' package(s) announced via the DLA-1594-1 advisory.");

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

  script_tag(name:"insight", value:"A vulnerability in xml-security-c, a library for the XML Digital Security specification, has been found. Different KeyInfo combinations, like signatures without public key, result in incomplete DSA structures that crash openssl during verification.

This vulnerability does not have a CVE identifier yet.

For Debian 8 Jessie, this problem has been fixed in version 1.7.2-3+deb8u2.

We recommend that you upgrade your xml-security-c packages.

Further information about Debian LTS security advisories, how to apply these updates to your system and frequently asked questions can be found at: [link moved to references]");

  script_tag(name:"affected", value:"'xml-security-c' package(s) on Debian 8.");

  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 == "DEB8") {

  if(!isnull(res = isdpkgvuln(pkg:"libxml-security-c-dev", ver:"1.7.2-3+deb8u2", rls:"DEB8"))) {
    report += res;
  }

  if(!isnull(res = isdpkgvuln(pkg:"libxml-security-c17", ver:"1.7.2-3+deb8u2", rls:"DEB8"))) {
    report += res;
  }

  if(!isnull(res = isdpkgvuln(pkg:"xml-security-c-utils", ver:"1.7.2-3+deb8u2", rls:"DEB8"))) {
    report += res;
  }

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

exit(0);