Debian DSA-832-1 : gopher - 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-832. The text 
# itself is copyright (C) Software in the Public Interest, Inc.
#

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

if (description)
{
  script_id(19801);
  script_version("1.15");
  script_set_attribute(attribute:"plugin_modification_date", value:"2021/01/04");

  script_cve_id("CVE-2005-2772");
  script_xref(name:"DSA", value:"832");

  script_name(english:"Debian DSA-832-1 : gopher - 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:
"Several buffer overflows have been discovered in gopher, a
text-oriented client for the Gopher Distributed Hypertext protocol,
that can be exploited by a malicious Gopher server."
  );
  script_set_attribute(
    attribute:"see_also",
    value:"http://www.debian.org/security/2005/dsa-832"
  );
  script_set_attribute(
    attribute:"solution", 
    value:
"Upgrade the gopher package.

For the old stable distribution (woody) this problem has been fixed in
version 3.0.3woody4.

For the stable distribution (sarge) this problem has been fixed in
version 3.0.7sarge2."
  );
  script_set_cvss_base_vector("CVSS2#AV:N/AC:L/Au:N/C:P/I:P/A:P");

  script_set_attribute(attribute:"plugin_type", value:"local");
  script_set_attribute(attribute:"cpe", value:"p-cpe:/a:debian:debian_linux:gopher");
  script_set_attribute(attribute:"cpe", value:"cpe:/o:debian:debian_linux:3.0");
  script_set_attribute(attribute:"cpe", value:"cpe:/o:debian:debian_linux:3.1");

  script_set_attribute(attribute:"patch_publication_date", value:"2005/09/30");
  script_set_attribute(attribute:"plugin_publication_date", value:"2005/10/05");
  script_end_attributes();

  script_category(ACT_GATHER_INFO);
  script_copyright(english:"This script is Copyright (C) 2005-2021 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:"3.0", prefix:"gopher", reference:"3.0.3woody4")) flag++;
if (deb_check(release:"3.0", prefix:"gopherd", reference:"3.0.3woody4")) flag++;
if (deb_check(release:"3.1", prefix:"gopher", reference:"3.0.7sarge2")) 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");