Debian DSA-057-1 : gftp - printf format attack

#%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-057. The text 
# itself is copyright (C) Software in the Public Interest, Inc.
#

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

if (description)
{
  script_id(14894);
  script_version("1.20");
  script_set_attribute(attribute:"plugin_modification_date", value:"2021/01/04");

  script_cve_id("CVE-2001-0489");
  script_xref(name:"DSA", value:"057");

  script_name(english:"Debian DSA-057-1 : gftp - printf format attack");
  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:
"The gftp package as distributed with Debian GNU/Linux 2.2 has a
 problem in its logging code: it logged data received from the network
 but it did not protect itself from printf format attacks. An attacker
 can use this by making an FTP server return special responses that
 exploit this."
  );
  script_set_attribute(
    attribute:"see_also",
    value:"http://www.debian.org/security/2001/dsa-057"
  );
  script_set_attribute(
    attribute:"solution", 
    value:
"This has been fixed in version 2.0.6a-3.1, and we recommend that you
upgrade your gftp package.

Note: this advisory was posted as DSA-055-1 by mistake."
  );
  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:gftp");
  script_set_attribute(attribute:"cpe", value:"cpe:/o:debian:debian_linux:2.2");

  script_set_attribute(attribute:"patch_publication_date", value:"2001/05/08");
  script_set_attribute(attribute:"plugin_publication_date", value:"2004/09/29");
  script_set_attribute(attribute:"vuln_publication_date", value:"2001/04/17");
  script_end_attributes();

  script_category(ACT_GATHER_INFO);
  script_copyright(english:"This script is Copyright (C) 2004-2021 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:"2.2", prefix:"gftp", reference:"2.0.6a-3.1")) 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");