Lucene search

K
nessusThis script is Copyright (C) 2015-2021 and is owned by Tenable, Inc. or an Affiliate thereof.DEBIAN_DSA-3221.NASL
HistoryApr 13, 2015 - 12:00 a.m.

Debian DSA-3221-1 : das-watchdog - security update

2015-04-1300:00:00
This script is Copyright (C) 2015-2021 and is owned by Tenable, Inc. or an Affiliate thereof.
www.tenable.com
11

CVSS2

7.2

Attack Vector

LOCAL

Attack Complexity

LOW

Authentication

NONE

Confidentiality Impact

COMPLETE

Integrity Impact

COMPLETE

Availability Impact

COMPLETE

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

EPSS

0

Percentile

5.1%

Adam Sampson discovered a buffer overflow in the handling of the XAUTHORITY environment variable in das-watchdog, a watchdog daemon to ensure a realtime process won’t hang the machine. A local user can exploit this flaw to escalate his privileges and execute arbitrary code as root.

#%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-3221. The text 
# itself is copyright (C) Software in the Public Interest, Inc.
#

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

if (description)
{
  script_id(82722);
  script_version("1.6");
  script_set_attribute(attribute:"plugin_modification_date", value:"2021/01/11");

  script_cve_id("CVE-2015-2831");
  script_bugtraq_id(73706);
  script_xref(name:"DSA", value:"3221");

  script_name(english:"Debian DSA-3221-1 : das-watchdog - security update");
  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:
"Adam Sampson discovered a buffer overflow in the handling of the
XAUTHORITY environment variable in das-watchdog, a watchdog daemon to
ensure a realtime process won't hang the machine. A local user can
exploit this flaw to escalate his privileges and execute arbitrary
code as root."
  );
  script_set_attribute(
    attribute:"see_also",
    value:"https://bugs.debian.org/cgi-bin/bugreport.cgi?bug=781806"
  );
  script_set_attribute(
    attribute:"see_also",
    value:"https://packages.debian.org/source/wheezy/das-watchdog"
  );
  script_set_attribute(
    attribute:"see_also",
    value:"https://www.debian.org/security/2015/dsa-3221"
  );
  script_set_attribute(
    attribute:"solution", 
    value:
"Upgrade the das-watchdog packages.

For the stable distribution (wheezy), this problem has been fixed in
version 0.9.0-2+deb7u1."
  );
  script_set_cvss_base_vector("CVSS2#AV:L/AC:L/Au:N/C:C/I:C/A:C");
  script_set_cvss_temporal_vector("CVSS2#E:ND/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:das-watchdog");
  script_set_attribute(attribute:"cpe", value:"cpe:/o:debian:debian_linux:7.0");

  script_set_attribute(attribute:"patch_publication_date", value:"2015/04/12");
  script_set_attribute(attribute:"plugin_publication_date", value:"2015/04/13");
  script_end_attributes();

  script_category(ACT_GATHER_INFO);
  script_copyright(english:"This script is Copyright (C) 2015-2021 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:"7.0", prefix:"das-watchdog", reference:"0.9.0-2+deb7u1")) 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");

CVSS2

7.2

Attack Vector

LOCAL

Attack Complexity

LOW

Authentication

NONE

Confidentiality Impact

COMPLETE

Integrity Impact

COMPLETE

Availability Impact

COMPLETE

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

EPSS

0

Percentile

5.1%