Gael Delalleau discovered a buffer overflow in the handling of the LINEMODE suboptions in telnet clients. Heimdal, a free implementation of Kerberos 5, also contains such a client. This can lead to the execution of arbitrary code when connected to a malicious server.
#%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-765. The text
# itself is copyright (C) Software in the Public Interest, Inc.
#
include('deprecated_nasl_level.inc');
include('compat.inc');
if (description)
{
script_id(19270);
script_version("1.22");
script_set_attribute(attribute:"plugin_modification_date", value:"2021/01/04");
script_cve_id("CVE-2005-0469");
script_xref(name:"CERT", value:"291924");
script_xref(name:"DSA", value:"765");
script_name(english:"Debian DSA-765-1 : heimdal - buffer overflow");
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:
"Gael Delalleau discovered a buffer overflow in the handling of the
LINEMODE suboptions in telnet clients. Heimdal, a free implementation
of Kerberos 5, also contains such a client. This can lead to the
execution of arbitrary code when connected to a malicious server."
);
script_set_attribute(
attribute:"see_also",
value:"http://bugs.debian.org/cgi-bin/bugreport.cgi?bug=305574"
);
script_set_attribute(
attribute:"see_also",
value:"http://www.debian.org/security/2005/dsa-765"
);
script_set_attribute(
attribute:"solution",
value:
"Upgrade the heimdal package.
For the old stable distribution (woody) this problem has been fixed in
version 0.4e-7.woody.11.
For the stable distribution (sarge) this problem has been fixed in
version 0.6.3-10."
);
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:heimdal");
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:"2005/07/22");
script_set_attribute(attribute:"plugin_publication_date", value:"2005/07/22");
script_set_attribute(attribute:"vuln_publication_date", value:"2005/03/28");
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:"heimdal-clients", reference:"0.4e-7.woody.11")) flag++;
if (deb_check(release:"3.0", prefix:"heimdal-clients-x", reference:"0.4e-7.woody.11")) flag++;
if (deb_check(release:"3.0", prefix:"heimdal-dev", reference:"0.4e-7.woody.11")) flag++;
if (deb_check(release:"3.0", prefix:"heimdal-docs", reference:"0.4e-7.woody.11")) flag++;
if (deb_check(release:"3.0", prefix:"heimdal-kdc", reference:"0.4e-7.woody.11")) flag++;
if (deb_check(release:"3.0", prefix:"heimdal-lib", reference:"0.4e-7.woody.11")) flag++;
if (deb_check(release:"3.0", prefix:"heimdal-servers", reference:"0.4e-7.woody.11")) flag++;
if (deb_check(release:"3.0", prefix:"heimdal-servers-x", reference:"0.4e-7.woody.11")) flag++;
if (deb_check(release:"3.0", prefix:"libasn1-5-heimdal", reference:"0.4e-7.woody.11")) flag++;
if (deb_check(release:"3.0", prefix:"libcomerr1-heimdal", reference:"0.4e-7.woody.11")) flag++;
if (deb_check(release:"3.0", prefix:"libgssapi1-heimdal", reference:"0.4e-7.woody.11")) flag++;
if (deb_check(release:"3.0", prefix:"libhdb7-heimdal", reference:"0.4e-7.woody.11")) flag++;
if (deb_check(release:"3.0", prefix:"libkadm5clnt4-heimdal", reference:"0.4e-7.woody.11")) flag++;
if (deb_check(release:"3.0", prefix:"libkadm5srv7-heimdal", reference:"0.4e-7.woody.11")) flag++;
if (deb_check(release:"3.0", prefix:"libkafs0-heimdal", reference:"0.4e-7.woody.11")) flag++;
if (deb_check(release:"3.0", prefix:"libkrb5-17-heimdal", reference:"0.4e-7.woody.11")) flag++;
if (deb_check(release:"3.0", prefix:"libotp0-heimdal", reference:"0.4e-7.woody.11")) flag++;
if (deb_check(release:"3.0", prefix:"libroken9-heimdal", reference:"0.4e-7.woody.11")) flag++;
if (deb_check(release:"3.0", prefix:"libsl0-heimdal", reference:"0.4e-7.woody.11")) flag++;
if (deb_check(release:"3.0", prefix:"libss0-heimdal", reference:"0.4e-7.woody.11")) flag++;
if (deb_check(release:"3.1", prefix:"heimdal", reference:"0.6.3-10")) 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");
Vendor | Product | Version | CPE |
---|---|---|---|
debian | debian_linux | heimdal | p-cpe:/a:debian:debian_linux:heimdal |
debian | debian_linux | 3.0 | cpe:/o:debian:debian_linux:3.0 |
debian | debian_linux | 3.1 | cpe:/o:debian:debian_linux:3.1 |