Vulnerabilities > CVE-2003-0607 - Environment Variable Buffer Overflow vulnerability in Stanley T. Shebs Xconq 7.4.1

047910
CVSS 4.6 - MEDIUM
Attack vector
LOCAL
Attack complexity
LOW
Privileges required
NONE
Confidentiality impact
PARTIAL
Integrity impact
PARTIAL
Availability impact
PARTIAL
local
low complexity
stanley-t-shebs
nessus

Summary

Buffer overflow in xconq 7.4.1 allows local users to become part of the "games" group via the (1) USER or (2) DISPLAY environment variables.

Vulnerable Configurations

Part Description Count
Application
Stanley_T._Shebs
1

Nessus

NASL familyDebian Local Security Checks
NASL idDEBIAN_DSA-354.NASL
descriptionSteve Kemp discovered a buffer overflow in xconq, in processing the USER environment variable. In the process of fixing this bug, a similar problem was discovered with the DISPLAY environment variable. This vulnerability could be exploited by a local attacker to gain gid
last seen2020-06-01
modified2020-06-02
plugin id15191
published2004-09-29
reporterThis script is Copyright (C) 2004-2019 Tenable Network Security, Inc.
sourcehttps://www.tenable.com/plugins/nessus/15191
titleDebian DSA-354-1 : xconq - buffer overflows
code
#%NASL_MIN_LEVEL 80502

#
# (C) Tenable Network Security, Inc.
#
# The descriptive text and package checks in this plugin were  
# extracted from Debian Security Advisory DSA-354. The text 
# itself is copyright (C) Software in the Public Interest, Inc.
#

include("compat.inc");

if (description)
{
  script_id(15191);
  script_version("1.19");
  script_cvs_date("Date: 2019/08/02 13:32:17");

  script_cve_id("CVE-2003-0607");
  script_bugtraq_id(8307);
  script_xref(name:"DSA", value:"354");

  script_name(english:"Debian DSA-354-1 : xconq - 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:
"Steve Kemp discovered a buffer overflow in xconq, in processing the
USER environment variable. In the process of fixing this bug, a
similar problem was discovered with the DISPLAY environment variable.
This vulnerability could be exploited by a local attacker to gain gid
'games'."
  );
  script_set_attribute(
    attribute:"see_also",
    value:"https://bugs.debian.org/202963"
  );
  script_set_attribute(
    attribute:"see_also",
    value:"http://www.debian.org/security/2003/dsa-354"
  );
  script_set_attribute(
    attribute:"solution", 
    value:
"For the current stable distribution (woody) this problem has been
fixed in version 7.4.1-2woody2.

We recommend that you update your xconq package."
  );
  script_set_cvss_base_vector("CVSS2#AV:L/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:xconq");
  script_set_attribute(attribute:"cpe", value:"cpe:/o:debian:debian_linux:3.0");

  script_set_attribute(attribute:"patch_publication_date", value:"2003/07/29");
  script_set_attribute(attribute:"plugin_publication_date", value:"2004/09/29");
  script_end_attributes();

  script_category(ACT_GATHER_INFO);
  script_copyright(english:"This script is Copyright (C) 2004-2019 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:"xconq", reference:"7.4.1-2woody2")) flag++;
if (deb_check(release:"3.0", prefix:"xconq-common", reference:"7.4.1-2woody2")) flag++;
if (deb_check(release:"3.0", prefix:"xconq-doc", reference:"7.4.1-2woody2")) flag++;

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