Vulnerabilities > CVE-2007-2838 - Unspecified vulnerability in Gsambad 0.1.4

047910
CVSS 7.2 - HIGH
Attack vector
LOCAL
Attack complexity
LOW
Privileges required
NONE
Confidentiality impact
COMPLETE
Integrity impact
COMPLETE
Availability impact
COMPLETE
local
low complexity
debian
gsambad
nessus

Summary

The populate_conns function in src/populate_conns.c in GSAMBAD 0.1.4 allows local users to overwrite arbitrary files via a symlink attack on the /tmp/gsambadtmp temporary file.

Vulnerable Configurations

Part Description Count
OS
Debian
13
Application
Gsambad
1

Nessus

NASL familyDebian Local Security Checks
NASL idDEBIAN_DSA-1327.NASL
descriptionSteve Kemp from the Debian Security Audit project discovered that gsambad, a GTK+ configuration tool for samba, uses temporary files in an unsafe manner which may be exploited to truncate arbitrary files from the local system.
last seen2020-06-01
modified2020-06-02
plugin id25639
published2007-07-02
reporterThis script is Copyright (C) 2007-2019 and is owned by Tenable, Inc. or an Affiliate thereof.
sourcehttps://www.tenable.com/plugins/nessus/25639
titleDebian DSA-1327-1 : gsambad - insecure temporary files
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-1327. The text 
# itself is copyright (C) Software in the Public Interest, Inc.
#

include("compat.inc");

if (description)
{
  script_id(25639);
  script_version("1.15");
  script_cvs_date("Date: 2019/08/02 13:32:20");

  script_cve_id("CVE-2007-2838");
  script_xref(name:"DSA", value:"1327");

  script_name(english:"Debian DSA-1327-1 : gsambad - insecure temporary files");
  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 from the Debian Security Audit project discovered that
gsambad, a GTK+ configuration tool for samba, uses temporary files in
an unsafe manner which may be exploited to truncate arbitrary files
from the local system."
  );
  script_set_attribute(
    attribute:"see_also",
    value:"https://www.debian.org/security/2007/dsa-1327"
  );
  script_set_attribute(
    attribute:"solution", 
    value:
"Upgrade the gsambad package.

For the stable distribution (etch) this problem has been fixed in
version 0.1.4-2etch1."
  );
  script_set_cvss_base_vector("CVSS2#AV:L/AC:L/Au:N/C:C/I:C/A:C");

  script_set_attribute(attribute:"plugin_type", value:"local");
  script_set_attribute(attribute:"cpe", value:"p-cpe:/a:debian:debian_linux:gsambad");
  script_set_attribute(attribute:"cpe", value:"cpe:/o:debian:debian_linux:4.0");

  script_set_attribute(attribute:"patch_publication_date", value:"2007/07/01");
  script_set_attribute(attribute:"plugin_publication_date", value:"2007/07/02");
  script_end_attributes();

  script_category(ACT_GATHER_INFO);
  script_copyright(english:"This script is Copyright (C) 2007-2019 and is owned by Tenable, Inc. or an Affiliate thereof.");
  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:"4.0", prefix:"gsambad", reference:"0.1.4-2etch1")) 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");