ID CVE-2012-3512
Summary Munin before 2.0.6 stores plugin state files that run as root in the same group-writable directory as non-root plugins, which allows local users to execute arbitrary code by replacing a state file, as demonstrated using the smart_ plugin.
References
Vulnerable Configurations
  • munin-monitoring Munin 2.0.5
    cpe:2.3:a:munin-monitoring:munin:2.0.5
  • munin-monitoring Munin 2.0.4
    cpe:2.3:a:munin-monitoring:munin:2.0.4
  • munin-monitoring Munin 2.0.3
    cpe:2.3:a:munin-monitoring:munin:2.0.3
  • munin-monitoring Munin 2.0.2
    cpe:2.3:a:munin-monitoring:munin:2.0.2
  • munin-monitoring Munin 2.0.1
    cpe:2.3:a:munin-monitoring:munin:2.0.1
  • munin-monitoring Munin 2.0.0
    cpe:2.3:a:munin-monitoring:munin:2.0.0
  • cpe:2.3:a:munin-monitoring:munin:2.0-rc7
    cpe:2.3:a:munin-monitoring:munin:2.0-rc7
  • cpe:2.3:a:munin-monitoring:munin:2.0-rc6
    cpe:2.3:a:munin-monitoring:munin:2.0-rc6
  • cpe:2.3:a:munin-monitoring:munin:2.0-rc5
    cpe:2.3:a:munin-monitoring:munin:2.0-rc5
  • cpe:2.3:a:munin-monitoring:munin:2.0-rc4
    cpe:2.3:a:munin-monitoring:munin:2.0-rc4
  • cpe:2.3:a:munin-monitoring:munin:2.0-rc3
    cpe:2.3:a:munin-monitoring:munin:2.0-rc3
  • cpe:2.3:a:munin-monitoring:munin:2.0-rc1
    cpe:2.3:a:munin-monitoring:munin:2.0-rc1
  • cpe:2.3:a:munin-monitoring:munin:2.0-beta7
    cpe:2.3:a:munin-monitoring:munin:2.0-beta7
  • cpe:2.3:a:munin-monitoring:munin:2.0-beta6
    cpe:2.3:a:munin-monitoring:munin:2.0-beta6
  • cpe:2.3:a:munin-monitoring:munin:2.0-beta5
    cpe:2.3:a:munin-monitoring:munin:2.0-beta5
  • cpe:2.3:a:munin-monitoring:munin:2.0-beta4
    cpe:2.3:a:munin-monitoring:munin:2.0-beta4
  • cpe:2.3:a:munin-monitoring:munin:2.0-beta3
    cpe:2.3:a:munin-monitoring:munin:2.0-beta3
  • cpe:2.3:a:munin-monitoring:munin:2.0-beta2
    cpe:2.3:a:munin-monitoring:munin:2.0-beta2
  • cpe:2.3:a:munin-monitoring:munin:2.0-beta1
    cpe:2.3:a:munin-monitoring:munin:2.0-beta1
  • cpe:2.3:a:munin-monitoring:munin:2.0-rc2
    cpe:2.3:a:munin-monitoring:munin:2.0-rc2
CVSS
Base: 7.2 (as of 22-11-2012 - 08:06)
Impact:
Exploitability:
CWE CWE-264
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.
  • Manipulating Input to File System Calls
    An attacker manipulates inputs to the target software which the target software passes to file system calls in the OS. The goal is to gain access to, and perhaps modify, areas of the file system that the target software did not intend to be accessible.
Access
VectorComplexityAuthentication
LOCAL LOW NONE
Impact
ConfidentialityIntegrityAvailability
COMPLETE COMPLETE COMPLETE
nessus via4
  • NASL family Gentoo Local Security Checks
    NASL id GENTOO_GLSA-201405-17.NASL
    description The remote host is affected by the vulnerability described in GLSA-201405-17 (Munin: Multiple vulnerabilities) Multiple vulnerabilities have been discovered in Munin. Please review the CVE identifiers referenced below for details. Impact : A local attacker could perform symlink attacks to overwrite arbitrary files with the privileges of the user running the application. A remote attacker could create files or load new Munin configuration files. Workaround : There is no known workaround at this time.
    last seen 2019-02-21
    modified 2018-12-05
    plugin id 74059
    published 2014-05-19
    reporter Tenable
    source https://www.tenable.com/plugins/index.php?view=single&id=74059
    title GLSA-201405-17 : Munin: Multiple vulnerabilities
  • NASL family Mandriva Local Security Checks
    NASL id MANDRIVA_MDVSA-2013-105.NASL
    description Updated munin packages fix security vulnerabilities : The qmailscan plugin for Munin before 2.0 rc6 allows local users to overwrite arbitrary files via a symlink attack on temporary files with predictable names (CVE-2012-2103). Munin before 2.0.6 stores plugin state files that run as root in the same group-writable directory as non-root plugins, which allows local users to execute arbitrary code by replacing a state file, as demonstrated using the smart_ plugin (CVE-2012-3512). munin-cgi-graph in Munin before 2.0.6, when running as a CGI module under Apache, allows remote attackers to load new configurations and create files in arbitrary directories via the logdir command (CVE-2012-3513).
    last seen 2019-02-21
    modified 2019-01-02
    plugin id 66117
    published 2013-04-20
    reporter Tenable
    source https://www.tenable.com/plugins/index.php?view=single&id=66117
    title Mandriva Linux Security Advisory : munin (MDVSA-2013:105)
  • NASL family Ubuntu Local Security Checks
    NASL id UBUNTU_USN-1622-1.NASL
    description It was discovered that the Munin qmailscan plugin incorrectly handled temporary files. A local attacker could use this issue to possibly overwrite arbitrary files. This issue only affected Ubuntu 10.04 LTS, Ubuntu 11.10, and Ubuntu 12.04 LTS. (CVE-2012-2103) It was discovered that Munin incorrectly handled plugin state file permissions. An attacker obtaining privileges of the munin user could use this issue to escalate privileges to root. (CVE-2012-3512) It was discovered that Munin incorrectly handled specifying an alternate configuration file. A remote attacker could possibly use this issue to execute arbitrary code with the privileges of the web server. This issue only affected Ubuntu 12.10. (CVE-2012-3513). Note that Tenable Network Security has extracted the preceding description block directly from the Ubuntu security advisory. Tenable has attempted to automatically clean and format it as much as possible without introducing additional issues.
    last seen 2019-02-21
    modified 2018-12-01
    plugin id 62816
    published 2012-11-06
    reporter Tenable
    source https://www.tenable.com/plugins/index.php?view=single&id=62816
    title Ubuntu 10.04 LTS / 11.10 / 12.04 LTS / 12.10 : munin vulnerabilities (USN-1622-1)
  • NASL family Debian Local Security Checks
    NASL id DEBIAN_DLA-20.NASL
    description [ Christoph Biedl ] - munin-node: more secure state file handling, introducing a new plugin state directory root, owned by uid 0. Then each plugin runs in its own UID plugin state directory, owned by that UID. (Closes: #684075), (Closes: #679897), closes CVE-2012-3512. - plugins: use runtime $ENV{MUNIN_PLUGSTATE}. So all properly written plugins will use /var/lib/munin-node/plugin-state/$uid/$some_file now - please report plugins that are still using /var/lib/munin/plugin-state/ - as those might pose a security risk! - Validate multigraph plugin name, CVE-2013-6048. - Don't abort data collection for a node due to malicious node, fixing munin#1397, CVE-2013-6359. NOTE: Tenable Network Security has extracted the preceding description block directly from the DLA security advisory. Tenable has attempted to automatically clean and format it as much as possible without introducing additional issues.
    last seen 2019-02-21
    modified 2018-11-28
    plugin id 82168
    published 2015-03-26
    reporter Tenable
    source https://www.tenable.com/plugins/index.php?view=single&id=82168
    title Debian DLA-20-1 : munin security update
  • NASL family Amazon Linux Local Security Checks
    NASL id ALA_ALAS-2012-130.NASL
    description Munin before 2.0.6 stores plugin state files that run as root in the same group-writable directory as non-root plugins, which allows local users to execute arbitrary code by replacing a state file, as demonstrated using the smart_ plugin.
    last seen 2019-02-21
    modified 2018-04-18
    plugin id 69620
    published 2013-09-04
    reporter Tenable
    source https://www.tenable.com/plugins/index.php?view=single&id=69620
    title Amazon Linux AMI : munin (ALAS-2012-130)
  • NASL family Fedora Local Security Checks
    NASL id FEDORA_2012-13110.NASL
    description Update to 2.0.6, and bug fixes Added init files for asyncd Note that Tenable Network Security has extracted the preceding description block directly from the Fedora security advisory. Tenable has attempted to automatically clean and format it as much as possible without introducing additional issues.
    last seen 2019-02-21
    modified 2015-10-20
    plugin id 62143
    published 2012-09-18
    reporter Tenable
    source https://www.tenable.com/plugins/index.php?view=single&id=62143
    title Fedora 18 : munin-2.0.6-1.fc18 (2012-13110)
  • NASL family Fedora Local Security Checks
    NASL id FEDORA_2012-13649.NASL
    description added DBDIRNODE for munin-node and remove File::Path as it is no longer needed. Update to 2.0.6, and bug fixes Added init files for asyncd Updated to 2.0.5 Update to munin 2 Note that Tenable Network Security has extracted the preceding description block directly from the Fedora security advisory. Tenable has attempted to automatically clean and format it as much as possible without introducing additional issues.
    last seen 2019-02-21
    modified 2015-10-20
    plugin id 62319
    published 2012-09-27
    reporter Tenable
    source https://www.tenable.com/plugins/index.php?view=single&id=62319
    title Fedora 16 : munin-2.0.6-2.fc16 (2012-13649)
  • NASL family Fedora Local Security Checks
    NASL id FEDORA_2012-13683.NASL
    description added DBDIRNODE for munin-node and remove File::Path as it is no longer needed. Update to 2.0.6, and bug fixes Added init files for asyncd Updated to 2.0.5 Update to munin 2 Note that Tenable Network Security has extracted the preceding description block directly from the Fedora security advisory. Tenable has attempted to automatically clean and format it as much as possible without introducing additional issues.
    last seen 2019-02-21
    modified 2015-10-20
    plugin id 62321
    published 2012-09-27
    reporter Tenable
    source https://www.tenable.com/plugins/index.php?view=single&id=62321
    title Fedora 17 : munin-2.0.6-2.fc17 (2012-13683)
refmap via4
bid 55698
confirm http://bugs.debian.org/cgi-bin/bugreport.cgi?bug=684075
fedora
  • FEDORA-2012-13110
  • FEDORA-2012-13649
  • FEDORA-2012-13683
misc http://www.munin-monitoring.org/ticket/1234
mlist [oss-security] 20120820 Two munin issues, now with CVEs
ubuntu USN-1622-1
Last major update 04-04-2013 - 23:12
Published 21-11-2012 - 18:55
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