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nessusThis script is Copyright (C) 2010-2021 and is owned by Tenable, Inc. or an Affiliate thereof.DEBIAN_DSA-2063.NASL
HistoryJun 21, 2010 - 12:00 a.m.

Debian DSA-2063-1 : pmount - insecure temporary file

2010-06-2100:00:00
This script is Copyright (C) 2010-2021 and is owned by Tenable, Inc. or an Affiliate thereof.
www.tenable.com
20

1.9 Low

CVSS2

Attack Vector

LOCAL

Attack Complexity

MEDIUM

Authentication

NONE

Confidentiality Impact

NONE

Integrity Impact

PARTIAL

Availability Impact

NONE

AV:L/AC:M/Au:N/C:N/I:P/A:N

0.0004 Low

EPSS

Percentile

5.1%

Dan Rosenberg discovered that pmount, a wrapper around the standard mount program which permits normal users to mount removable devices without a matching /etc/fstab entry, creates files in /var/lock insecurely. A local attacker could overwrite arbitrary files utilising a symlink 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-2063. The text 
# itself is copyright (C) Software in the Public Interest, Inc.
#

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

if (description)
{
  script_id(47105);
  script_version("1.12");
  script_set_attribute(attribute:"plugin_modification_date", value:"2021/01/04");

  script_cve_id("CVE-2010-2192");
  script_xref(name:"DSA", value:"2063");

  script_name(english:"Debian DSA-2063-1 : pmount - insecure temporary file");
  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:
"Dan Rosenberg discovered that pmount, a wrapper around the standard
mount program which permits normal users to mount removable devices
without a matching /etc/fstab entry, creates files in /var/lock
insecurely. A local attacker could overwrite arbitrary files utilising
a symlink attack."
  );
  script_set_attribute(
    attribute:"see_also",
    value:"https://www.debian.org/security/2010/dsa-2063"
  );
  script_set_attribute(
    attribute:"solution", 
    value:
"Upgrade the pmount package.

For the stable distribution (lenny), this problem has been fixed in
version 0.9.18-2+lenny1"
  );
  script_set_cvss_base_vector("CVSS2#AV:L/AC:M/Au:N/C:N/I:P/A:N");

  script_set_attribute(attribute:"plugin_type", value:"local");
  script_set_attribute(attribute:"cpe", value:"p-cpe:/a:debian:debian_linux:pmount");
  script_set_attribute(attribute:"cpe", value:"cpe:/o:debian:debian_linux:5.0");

  script_set_attribute(attribute:"patch_publication_date", value:"2010/06/17");
  script_set_attribute(attribute:"plugin_publication_date", value:"2010/06/21");
  script_end_attributes();

  script_category(ACT_GATHER_INFO);
  script_copyright(english:"This script is Copyright (C) 2010-2021 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:"5.0", prefix:"pmount", reference:"0.9.18-2+lenny1")) flag++;

if (flag)
{
  if (report_verbosity > 0) security_note(port:0, extra:deb_report_get());
  else security_note(0);
  exit(0);
}
else audit(AUDIT_HOST_NOT, "affected");
VendorProductVersionCPE
debiandebian_linuxpmountp-cpe:/a:debian:debian_linux:pmount
debiandebian_linux5.0cpe:/o:debian:debian_linux:5.0

1.9 Low

CVSS2

Attack Vector

LOCAL

Attack Complexity

MEDIUM

Authentication

NONE

Confidentiality Impact

NONE

Integrity Impact

PARTIAL

Availability Impact

NONE

AV:L/AC:M/Au:N/C:N/I:P/A:N

0.0004 Low

EPSS

Percentile

5.1%