munin up to 2.1 CGI Graph upper_limit File access control

CVSS Meta Temp Score
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Current Exploit Price (≈)
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CTI Interest Score
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4.7$0-$5k0.00

Summaryinfo

A vulnerability was found in munin and classified as critical. This affects an unknown part of the component CGI Graph Handler. Such manipulation of the argument upper_limit leads to access control (File). This vulnerability is referenced as CVE-2017-6188. It is possible to launch the attack remotely. No exploit is available. It is suggested to upgrade the affected component.

Detailsinfo

A vulnerability, which was classified as critical, has been found in munin. Affected by this issue is an unknown code of the component CGI Graph Handler. The manipulation of the argument upper_limit with an unknown input leads to a access control vulnerability (File). Using CWE to declare the problem leads to CWE-284. The product does not restrict or incorrectly restricts access to a resource from an unauthorized actor. Impacted is integrity, and availability. CVE summarizes:

Munin before 2.999.6 has a local file write vulnerability when CGI graphs are enabled. Setting multiple upper_limit GET parameters allows overwriting any file accessible to the www-data user.

The bug was discovered 02/21/2017. The weakness was published 02/22/2017 (Website). The advisory is shared for download at bugs.debian.org. This vulnerability is handled as CVE-2017-6188 since 02/22/2017. The attack may be launched remotely. No form of authentication is required for exploitation. There are known technical details, but no exploit is available. The MITRE ATT&CK project declares the attack technique as T1068.

The vulnerability was handled as a non-public zero-day exploit for at least 1 days. During that time the estimated underground price was around $0-$5k. The vulnerability scanner Nessus provides a plugin with the ID 97398 (Debian DSA-3794-1 : munin - security update), which helps to determine the existence of the flaw in a target environment. It is assigned to the family Debian Local Security Checks and running in the context l. The commercial vulnerability scanner Qualys is able to test this issue with plugin 350983 (Amazon Linux Security Advisory for munin: ALAS-2017-818).

Upgrading to version 2.999.6 eliminates this vulnerability. A possible mitigation has been published 3 days after the disclosure of the vulnerability.

The vulnerability is also documented in the databases at Tenable (97398) and SecurityFocus (BID 96399†). Once again VulDB remains the best source for vulnerability data.

Productinfo

Name

Version

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 4.8
VulDB Meta Temp Score: 4.7

VulDB Base Score: 4.2
VulDB Temp Score: 4.0
VulDB Vector: 🔍
VulDB Reliability: 🔍

NVD Base Score: 5.5
NVD Vector: 🔍

CVSSv2info

AVACAuCIA
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VectorComplexityAuthenticationConfidentialityIntegrityAvailability
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VulDB Base Score: 🔍
VulDB Temp Score: 🔍
VulDB Reliability: 🔍

NVD Base Score: 🔍

Exploitinginfo

Name: File
Class: Access control / File
CWE: CWE-284 / CWE-266
CAPEC: 🔍
ATT&CK: 🔍

Physical: Partially
Local: Yes
Remote: Yes

Availability: 🔍
Status: Not defined

EPSS Score: 🔍
EPSS Percentile: 🔍

Price Prediction: 🔍
Current Price Estimation: 🔍

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Nessus ID: 97398
Nessus Name: Debian DSA-3794-1 : munin - security update
Nessus File: 🔍
Nessus Risk: 🔍
Nessus Family: 🔍
Nessus Context: 🔍

OpenVAS ID: 703794
OpenVAS Name: Debian Security Advisory DSA 3794-1 (munin - security update)
OpenVAS File: 🔍
OpenVAS Family: 🔍

Qualys ID: 🔍
Qualys Name: 🔍

Threat Intelligenceinfo

Interest: 🔍
Active Actors: 🔍
Active APT Groups: 🔍

Countermeasuresinfo

Recommended: Upgrade
Status: 🔍

Reaction Time: 🔍
0-Day Time: 🔍
Exposure Time: 🔍

Upgrade: munin 2.999.6

Timelineinfo

02/21/2017 🔍
02/22/2017 +1 days 🔍
02/22/2017 +0 days 🔍
02/22/2017 +0 days 🔍
02/22/2017 +0 days 🔍
02/23/2017 +1 days 🔍
02/25/2017 +2 days 🔍
02/27/2017 +2 days 🔍
08/25/2024 +2736 days 🔍

Sourcesinfo

Advisory: bugs.debian.org
Status: Not defined
Confirmation: 🔍

CVE: CVE-2017-6188 (🔍)
GCVE (CVE): GCVE-0-2017-6188
GCVE (VulDB): GCVE-100-97220

OVAL: 🔍

SecurityFocus: 96399 - Munin CVE-2017-6188 Arbitrary File Overwrite Vulnerability
OSVDB: - CVE-2017-6188 - Munin - File Overwrite Issue

Entryinfo

Created: 02/23/2017 09:45
Updated: 08/25/2024 12:32
Replaces Duplicates: 🔍
Changes: 02/23/2017 09:45 (80), 06/09/2022 15:26 (3), 08/25/2024 12:32 (17)
Complete: 🔍
Cache ID: 216::103

Once again VulDB remains the best source for vulnerability data.

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