Debian DSA-986-1 : gnutls11 - buffer overflows

#%NASL_MIN_LEVEL 70300

#
# (C) Tenable Network Security, Inc.
#
# The descriptive text and package checks in this plugin were  
# extracted from Debian Security Advisory DSA-986. The text 
# itself is copyright (C) Software in the Public Interest, Inc.
#

include('deprecated_nasl_level.inc');
include('compat.inc');

if (description)
{
  script_id(22852);
  script_version("1.17");
  script_set_attribute(attribute:"plugin_modification_date", value:"2021/01/04");

  script_cve_id("CVE-2006-0645");
  script_bugtraq_id(16568);
  script_xref(name:"DSA", value:"986");

  script_name(english:"Debian DSA-986-1 : gnutls11 - buffer overflows");
  script_summary(english:"Checks dpkg output for the updated package");

  script_set_attribute(
    attribute:"synopsis", 
    value:"The remote Debian host is missing a security-related update."
  );
  script_set_attribute(
    attribute:"description", 
    value:
"Evgeny Legerov discovered several out-of-bounds memory accesses in the
DER decoding component of the Tiny ASN.1 Library, which is also
present and used in GnuTLS, the GNU implementation for Transport Layer
Security (TLS) 1.0 and Secure Sockets Layer (SSL) 3.0 protocols and
which allows attackers to crash the DER decoder and possibly execute
arbitrary code."
  );
  script_set_attribute(
    attribute:"see_also",
    value:"http://www.debian.org/security/2006/dsa-986"
  );
  script_set_attribute(
    attribute:"solution", 
    value:
"Upgrade the gnutls packages.

The old stable distribution (woody) is not affected by these problems.

For the stable distribution (sarge) these problems have been fixed in
version 1.0.16-13.2."
  );
  script_set_cvss_base_vector("CVSS2#AV:N/AC:L/Au:N/C:P/I:P/A:P");
  script_set_cvss_temporal_vector("CVSS2#E:U/RL:OF/RC:C");
  script_set_attribute(attribute:"exploitability_ease", value:"No known exploits are available");
  script_set_attribute(attribute:"exploit_available", value:"false");

  script_set_attribute(attribute:"plugin_type", value:"local");
  script_set_attribute(attribute:"cpe", value:"p-cpe:/a:debian:debian_linux:gnutls11");
  script_set_attribute(attribute:"cpe", value:"cpe:/o:debian:debian_linux:3.1");

  script_set_attribute(attribute:"patch_publication_date", value:"2006/03/06");
  script_set_attribute(attribute:"plugin_publication_date", value:"2006/10/14");
  script_set_attribute(attribute:"vuln_publication_date", value:"2006/02/09");
  script_end_attributes();

  script_category(ACT_GATHER_INFO);
  script_copyright(english:"This script is Copyright (C) 2006-2021 Tenable Network Security, Inc.");
  script_family(english:"Debian Local Security Checks");

  script_dependencies("ssh_get_info.nasl");
  script_require_keys("Host/local_checks_enabled", "Host/Debian/release", "Host/Debian/dpkg-l");

  exit(0);
}


include("audit.inc");
include("debian_package.inc");


if (!get_kb_item("Host/local_checks_enabled")) audit(AUDIT_LOCAL_CHECKS_NOT_ENABLED);
if (!get_kb_item("Host/Debian/release")) audit(AUDIT_OS_NOT, "Debian");
if (!get_kb_item("Host/Debian/dpkg-l")) audit(AUDIT_PACKAGE_LIST_MISSING);


flag = 0;
if (deb_check(release:"3.1", prefix:"gnutls-bin", reference:"1.0.16-13.2")) flag++;
if (deb_check(release:"3.1", prefix:"libgnutls11", reference:"1.0.16-13.2")) flag++;
if (deb_check(release:"3.1", prefix:"libgnutls11-dbg", reference:"1.0.16-13.2")) flag++;
if (deb_check(release:"3.1", prefix:"libgnutls11-dev", reference:"1.0.16-13.2")) flag++;

if (flag)
{
  if (report_verbosity > 0) security_hole(port:0, extra:deb_report_get());
  else security_hole(0);
  exit(0);
}
else audit(AUDIT_HOST_NOT, "affected");