Vulnerabilities > CVE-2011-1375 - Permissions, Privileges, and Access Controls vulnerability in IBM AIX 6.1/7.1

047910
CVSS 4.9 - MEDIUM
Attack vector
LOCAL
Attack complexity
LOW
Privileges required
NONE
Confidentiality impact
NONE
Integrity impact
NONE
Availability impact
COMPLETE
local
low complexity
ibm
CWE-264
nessus
NVD
Published: 2011-11-11
Updated: 2017-08-17

Summary

IBM AIX 6.1 and 7.1 does not restrict the wpar_limits_config and wpar_limits_modify system calls, which allows local users to cause a denial of service (system crash) via a crafted call.

Vulnerable Configurations

Part Description Count
OS
Ibm
2

Common Weakness Enumeration (CWE)

Common Attack Pattern Enumeration and Classification (CAPEC)

  • Accessing, Modifying or Executing Executable Files
    An attack of this type exploits a system's configuration that allows an attacker to either directly access an executable file, for example through shell access; or in a possible worst case allows an attacker to upload a file and then execute it. Web servers, ftp servers, and message oriented middleware systems which have many integration points are particularly vulnerable, because both the programmers and the administrators must be in synch regarding the interfaces and the correct privileges for each interface.
  • Leverage Executable Code in Non-Executable Files
    An attack of this type exploits a system's trust in configuration and resource files, when the executable loads the resource (such as an image file or configuration file) the attacker has modified the file to either execute malicious code directly or manipulate the target process (e.g. application server) to execute based on the malicious configuration parameters. Since systems are increasingly interrelated mashing up resources from local and remote sources the possibility of this attack occurring is high. The attack can be directed at a client system, such as causing buffer overrun through loading seemingly benign image files, as in Microsoft Security Bulletin MS04-028 where specially crafted JPEG files could cause a buffer overrun once loaded into the browser. Another example targets clients reading pdf files. In this case the attacker simply appends javascript to the end of a legitimate url for a pdf (http://www.gnucitizen.org/blog/danger-danger-danger/) http://path/to/pdf/file.pdf#whatever_name_you_want=javascript:your_code_here The client assumes that they are reading a pdf, but the attacker has modified the resource and loaded executable javascript into the client's browser process. The attack can also target server processes. The attacker edits the resource or configuration file, for example a web.xml file used to configure security permissions for a J2EE app server, adding role name "public" grants all users with the public role the ability to use the administration functionality. The server trusts its configuration file to be correct, but when they are manipulated, the attacker gains full control.
  • Blue Boxing
    This type of attack against older telephone switches and trunks has been around for decades. A tone is sent by an adversary to impersonate a supervisor signal which has the effect of rerouting or usurping command of the line. While the US infrastructure proper may not contain widespread vulnerabilities to this type of attack, many companies are connected globally through call centers and business process outsourcing. These international systems may be operated in countries which have not upgraded Telco infrastructure and so are vulnerable to Blue boxing. Blue boxing is a result of failure on the part of the system to enforce strong authorization for administrative functions. While the infrastructure is different than standard current applications like web applications, there are historical lessons to be learned to upgrade the access control for administrative functions.
  • Restful Privilege Elevation
    Rest uses standard HTTP (Get, Put, Delete) style permissions methods, but these are not necessarily correlated generally with back end programs. Strict interpretation of HTTP get methods means that these HTTP Get services should not be used to delete information on the server, but there is no access control mechanism to back up this logic. This means that unless the services are properly ACL'd and the application's service implementation are following these guidelines then an HTTP request can easily execute a delete or update on the server side. The attacker identifies a HTTP Get URL such as http://victimsite/updateOrder, which calls out to a program to update orders on a database or other resource. The URL is not idempotent so the request can be submitted multiple times by the attacker, additionally, the attacker may be able to exploit the URL published as a Get method that actually performs updates (instead of merely retrieving data). This may result in malicious or inadvertent altering of data on the server.
  • Target Programs with Elevated Privileges
    This attack targets programs running with elevated privileges. The attacker would try to leverage a bug in the running program and get arbitrary code to execute with elevated privileges. For instance an attacker would look for programs that write to the system directories or registry keys (such as HKLM, which stores a number of critical Windows environment variables). These programs are typically running with elevated privileges and have usually not been designed with security in mind. Such programs are excellent exploit targets because they yield lots of power when they break. The malicious user try to execute its code at the same level as a privileged system call.

Nessus

  • NASL familyAIX Local Security Checks
    NASL idAIX_IV10229.NASL
    descriptionSome WPAR specific system calls may cause undefined behavior, possibly resulting in a denial of service.
    last seen2020-06-01
    modified2020-06-02
    plugin id63704
    published2013-01-24
    reporterThis script is Copyright (C) 2013-2019 Tenable Network Security, Inc.
    sourcehttps://www.tenable.com/plugins/nessus/63704
    titleAIX 6.1 TL 5 : wpar (IV10229)
    code
    #%NASL_MIN_LEVEL 80502
#
# (C) Tenable Network Security, Inc.
#
# The text in the description was extracted from AIX Security
# Advisory wpar_advisory.asc.
#

include("compat.inc");

if (description)
{
  script_id(63704);
  script_version("1.4");
  script_cvs_date("Date: 2019/09/16 14:13:03");

  script_cve_id("CVE-2011-1375");
  script_bugtraq_id(50670);

  script_name(english:"AIX 6.1 TL 5 : wpar (IV10229)");
  script_summary(english:"Check for APAR IV10229");

  script_set_attribute(
    attribute:"synopsis", 
    value:"The remote AIX host is missing a security patch."
  );
  script_set_attribute(
    attribute:"description", 
    value:
"Some WPAR specific system calls may cause undefined behavior, possibly
resulting in a denial of service."
  );
  script_set_attribute(
    attribute:"see_also",
    value:"http://aix.software.ibm.com/aix/efixes/security/wpar_advisory.asc"
  );
  script_set_attribute(
    attribute:"solution", 
    value:"Install the appropriate interim fix."
  );
  script_set_cvss_base_vector("CVSS2#AV:L/AC:L/Au:N/C:N/I:N/A:C");
  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:"cpe:/o:ibm:aix:6.1");

  script_set_attribute(attribute:"vuln_publication_date", value:"2011/11/11");
  script_set_attribute(attribute:"patch_publication_date", value:"2011/11/11");
  script_set_attribute(attribute:"plugin_publication_date", value:"2013/01/24");
  script_end_attributes();

  script_category(ACT_GATHER_INFO);
  script_copyright(english:"This script is Copyright (C) 2013-2019 Tenable Network Security, Inc.");
  script_family(english:"AIX Local Security Checks");

  script_dependencies("ssh_get_info.nasl");
  script_require_keys("Host/AIX/lslpp", "Host/local_checks_enabled", "Host/AIX/version");

  exit(0);
}



include("audit.inc");
include("global_settings.inc");
include("aix.inc");
include("misc_func.inc");

if ( ! get_kb_item("Host/local_checks_enabled") ) audit(AUDIT_LOCAL_CHECKS_NOT_ENABLED);
if ( ! get_kb_item("Host/AIX/version") ) audit(AUDIT_OS_NOT, "AIX");
if ( ! get_kb_item("Host/AIX/lslpp") ) audit(AUDIT_PACKAGE_LIST_MISSING);

if ( get_kb_item("Host/AIX/emgr_failure" ) ) exit(0, "This iFix check is disabled because : "+get_kb_item("Host/AIX/emgr_failure") );

flag = 0;

if (aix_check_ifix(release:"6.1", ml:"05", sp:"08", patch:"IV10229s07", package:"bos.mp64", minfilesetver:"6.1.5.0", maxfilesetver:"6.1.5.8") < 0) flag++;

if (flag)
{
  if (report_verbosity > 0) security_warning(port:0, extra:aix_report_get());
  else security_warning(0);
  exit(0);
}
else audit(AUDIT_HOST_NOT, "affected");
  • NASL familyAIX Local Security Checks
    NASL idAIX_U842593.NASL
    descriptionThe remote host is missing AIX PTF U842593, which is related to the security of the package bos.mp64. Some WPAR specific system calls may cause undefined behavior, possibly resulting in a denial of service.
    last seen2020-06-01
    modified2020-06-02
    plugin id65477
    published2013-03-14
    reporterThis script is Copyright (C) 2013-2019 Tenable Network Security, Inc.
    sourcehttps://www.tenable.com/plugins/nessus/65477
    titleAIX 6.1 TL 5 : bos.mp64 (U842593)
    code
    #%NASL_MIN_LEVEL 80502
#
# (C) Tenable Network Security, Inc.
#
# The descriptive text and package checks in this plugin were extracted
# from AIX Security PTF U842593. The text itself is copyright (C)
# International Business Machines Corp.
#

include("compat.inc");

if (description)
{
  script_id(65477);
  script_version("1.3");
  script_cvs_date("Date: 2019/09/16 14:13:08");

  script_cve_id("CVE-2011-1375");
  script_bugtraq_id(50670);

  script_name(english:"AIX 6.1 TL 5 : bos.mp64 (U842593)");
  script_summary(english:"Check for PTF U842593");

  script_set_attribute(
    attribute:"synopsis", 
    value:"The remote AIX host is missing a vendor-supplied security patch."
  );
  script_set_attribute(
    attribute:"description", 
    value:
"The remote host is missing AIX PTF U842593, which is related to the
security of the package bos.mp64.

Some WPAR specific system calls may cause undefined behavior, possibly
resulting in a denial of service."
  );
  script_set_attribute(
    attribute:"see_also",
    value:"http://www-01.ibm.com/support/docview.wss?uid=isg1IV10229"
  );
  script_set_attribute(
    attribute:"solution", 
    value:"Install the appropriate missing security-related fix."
  );
  script_set_cvss_base_vector("CVSS2#AV:L/AC:L/Au:N/C:N/I:N/A:C");
  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:"cpe:/o:ibm:aix:6.1");

  script_set_attribute(attribute:"vuln_publication_date", value:"2011/11/04");
  script_set_attribute(attribute:"patch_publication_date", value:"2011/11/04");
  script_set_attribute(attribute:"plugin_publication_date", value:"2013/03/14");
  script_end_attributes();

  script_category(ACT_GATHER_INFO);
  script_copyright(english:"This script is Copyright (C) 2013-2019 Tenable Network Security, Inc.");
  script_family(english:"AIX Local Security Checks");

  script_dependencies("ssh_get_info.nasl");
  script_require_keys("Host/local_checks_enabled", "Host/AIX/oslevel", "Host/AIX/version", "Host/AIX/lslpp");

  exit(0);
}



include("audit.inc");
include("global_settings.inc");
include("aix.inc");

if ( ! get_kb_item("Host/local_checks_enabled") ) audit(AUDIT_LOCAL_CHECKS_NOT_ENABLED);
if ( ! get_kb_item("Host/AIX/version") ) audit(AUDIT_OS_NOT, "AIX");
if ( ! get_kb_item("Host/AIX/lslpp") ) audit(AUDIT_PACKAGE_LIST_MISSING);

flag = 0;

if ( aix_check_patch(ml:"610005", patch:"U842593", package:"bos.mp64.6.1.5.10") < 0 ) flag++;

if (flag)
{
  if (report_verbosity > 0) security_warning(port:0, extra:aix_report_get());
  else security_warning(0);
  exit(0);
}
else audit(AUDIT_HOST_NOT, "affected");
  • NASL familyAIX Local Security Checks
    NASL idAIX_IV10227.NASL
    descriptionSome WPAR specific system calls may cause undefined behavior, possibly resulting in a denial of service.
    last seen2020-06-01
    modified2020-06-02
    plugin id63703
    published2013-01-24
    reporterThis script is Copyright (C) 2013-2019 Tenable Network Security, Inc.
    sourcehttps://www.tenable.com/plugins/nessus/63703
    titleAIX 7.1 TL 0 : wpar (IV10227)
  • NASL familyAIX Local Security Checks
    NASL idAIX_U846561.NASL
    descriptionThe remote host is missing AIX PTF U846561, which is related to the security of the package bos.mp64. Some WPAR specific system calls may cause undefined behavior, possibly resulting in a denial of service.
    last seen2020-06-01
    modified2020-06-02
    plugin id65503
    published2013-03-13
    reporterThis script is Copyright (C) 2013-2019 Tenable Network Security, Inc.
    sourcehttps://www.tenable.com/plugins/nessus/65503
    titleAIX 7.1 : bos.mp64 (U846561)
  • NASL familyAIX Local Security Checks
    NASL idAIX_IV08320.NASL
    descriptionSome WPAR specific system calls may cause undefined behavior, possibly resulting in a denial of service.
    last seen2020-06-01
    modified2020-06-02
    plugin id63697
    published2013-01-24
    reporterThis script is Copyright (C) 2013-2019 Tenable Network Security, Inc.
    sourcehttps://www.tenable.com/plugins/nessus/63697
    titleAIX 7.1 TL 1 : wpar (IV08320)
  • NASL familyAIX Local Security Checks
    NASL idAIX_IV10226.NASL
    descriptionSome WPAR specific system calls may cause undefined behavior, possibly resulting in a denial of service.
    last seen2020-06-01
    modified2020-06-02
    plugin id63702
    published2013-01-24
    reporterThis script is Copyright (C) 2013-2019 Tenable Network Security, Inc.
    sourcehttps://www.tenable.com/plugins/nessus/63702
    titleAIX 6.1 TL 6 : wpar (IV10226)
  • NASL familyAIX Local Security Checks
    NASL idAIX_IV08468.NASL
    descriptionSome WPAR specific system calls may cause undefined behavior, possibly resulting in a denial of service.
    last seen2020-06-01
    modified2020-06-02
    plugin id63698
    published2013-01-24
    reporterThis script is Copyright (C) 2013-2019 Tenable Network Security, Inc.
    sourcehttps://www.tenable.com/plugins/nessus/63698
    titleAIX 6.1 TL 7 : wpar (IV08468)

Seebug

bulletinFamilyexploit
descriptionBugtraq ID: 50670 CVE ID：CVE-2011-1375 IBM AIX是一款商业性质的操作系统。 IBM AIX报告存在一个安全漏洞，允许本地恶意用户进行拒绝服务攻击。 &quot;wpar_limits_config&quot;和&quot;wpar_limits_modify&quot;系统调用中存在错误，本地攻击者可以利用漏洞使系统崩溃 IBM Aix 7.1.1 IBM Aix 7.1 IBM Aix 6.1.7 IBM Aix 6.1.6 IBM AIX 6.1.5 厂商解决方案 用户可参考如下供应商提供的安全公告获得补丁信息： http://aix.software.ibm.com/aix/efixes/security/wpar_advisory.asc http://www.ibm.com/support/docview.wss?uid=isg1IV08320 http://www.ibm.com/support/docview.wss?uid=isg1IV08468 http://www.ibm.com/support/docview.wss?uid=isg1IV10227 http://www.ibm.com/support/docview.wss?uid=isg1IV10229 http://www.ibm.com/support/docview.wss?uid=isg1IV10226
idSSV:23203
last seen2017-11-19
modified2011-11-16
published2011-11-16
reporterRoot
titleIBM AIX WPAR系统调用本地拒绝服务漏洞(CVE-2011-1375)

References