Debian DSA-1755-1 : systemtap - race condition

2009-03-30T00:00:00
ID DEBIAN_DSA-1755.NASL
Type nessus
Reporter Tenable
Modified 2013-05-17T00:00:00

Description

Erik Sjoelund discovered that a race condition in the stap tool shipped by Systemtap, an instrumentation system for Linux 2.6, allows local privilege escalation for members of the stapusr group.

                                        
                                            #
# (C) Tenable Network Security, Inc.
#
# The descriptive text and package checks in this plugin were  
# extracted from Debian Security Advisory DSA-1755. The text 
# itself is copyright (C) Software in the Public Interest, Inc.
#

include("compat.inc");

if (description)
{
  script_id(36040);
  script_version("$Revision: 1.10 $");
  script_cvs_date("$Date: 2013/05/17 23:49:56 $");

  script_cve_id("CVE-2009-0784");
  script_osvdb_id(53111);
  script_xref(name:"DSA", value:"1755");

  script_name(english:"Debian DSA-1755-1 : systemtap - race condition");
  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:
"Erik Sjoelund discovered that a race condition in the stap tool
shipped by Systemtap, an instrumentation system for Linux 2.6, allows
local privilege escalation for members of the stapusr group."
  );
  script_set_attribute(
    attribute:"see_also",
    value:"http://www.debian.org/security/2009/dsa-1755"
  );
  script_set_attribute(
    attribute:"solution", 
    value:
"Upgrade the systemtap package.

The old stable distribution (etch) isn't affected.

For the stable distribution (lenny), this problem has been fixed in
version 0.0.20080705-1+lenny1."
  );
  script_set_cvss_base_vector("CVSS2#AV:L/AC:M/Au:N/C:C/I:C/A:C");
  script_cwe_id(362);

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

  script_set_attribute(attribute:"patch_publication_date", value:"2009/03/25");
  script_set_attribute(attribute:"plugin_publication_date", value:"2009/03/30");
  script_end_attributes();

  script_category(ACT_GATHER_INFO);
  script_copyright(english:"This script is Copyright (C) 2009-2013 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:"5.0", prefix:"systemtap", reference:"0.0.20080705-1+lenny1")) 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");