VDB-113119 · CVE-2018-6508 · BID 103020

Puppet Enterprise up to 2017.3.x Task format string

CVSS Meta Temp Score
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Current Exploit Price (≈)
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CTI Interest Score
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6.8$0-$5k0.00

Summaryinfo

A vulnerability classified as critical has been found in Puppet Enterprise up to 2017.3.x. The affected element is an unknown function of the component Task Handler. This manipulation causes format string. The identification of this vulnerability is CVE-2018-6508. It is possible to initiate the attack remotely. There is no exploit available. It is recommended to upgrade the affected component.

Detailsinfo

A vulnerability was found in Puppet Enterprise up to 2017.3.x (Service Management Software). It has been declared as critical. Affected by this vulnerability is some unknown processing of the component Task Handler. The manipulation with an unknown input leads to a format string vulnerability. The CWE definition for the vulnerability is CWE-134. The product uses a function that accepts a format string as an argument, but the format string originates from an external source. As an impact it is known to affect confidentiality, integrity, and availability. The summary by CVE is:

Puppet Enterprise 2017.3.x prior to 2017.3.3 are vulnerable to a remote execution bug when a specially crafted string was passed into the facter_task or puppet_conf tasks. This vulnerability only affects tasks in the affected modules, if you are not using puppet tasks you are not affected by this vulnerability.

The bug was discovered 02/01/2018. The weakness was shared 02/09/2018 (Website). It is possible to read the advisory at puppet.com. This vulnerability is known as CVE-2018-6508 since 02/01/2018. The attack can be launched remotely. Required for exploitation is a single authentication. The technical details are unknown and an exploit is not publicly available.

The vulnerability was handled as a non-public zero-day exploit for at least 8 days. During that time the estimated underground price was around $0-$5k.

Upgrading to version 2017.3.3 eliminates this vulnerability.

The vulnerability is also documented in the vulnerability database at SecurityFocus (BID 103020†). Be aware that VulDB is the high quality source for vulnerability data.

Productinfo

Type

Name

Version

License

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 7.1
VulDB Meta Temp Score: 7.0

VulDB Base Score: 6.3
VulDB Temp Score: 6.0
VulDB Vector: 🔍
VulDB Reliability: 🔍

NVD Base Score: 8.0
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

Class: Format string
CWE: CWE-134 / CWE-119
CAPEC: 🔍
ATT&CK: 🔍

Physical: No
Local: No
Remote: Yes

Availability: 🔍
Status: Not defined

EPSS Score: 🔍
EPSS Percentile: 🔍

Price Prediction: 🔍
Current Price Estimation: 🔍

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Threat Intelligenceinfo

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

Countermeasuresinfo

Recommended: Upgrade
Status: 🔍

0-Day Time: 🔍

Upgrade: Puppet Enterprise 2017.3.3

Timelineinfo

02/01/2018 🔍
02/01/2018 +0 days 🔍
02/09/2018 +8 days 🔍
02/09/2018 +0 days 🔍
02/10/2018 +1 days 🔍
01/03/2020 +692 days 🔍

Sourcesinfo

Advisory: puppet.com
Status: Not defined
Confirmation: 🔍

CVE: CVE-2018-6508 (🔍)
GCVE (CVE): GCVE-0-2018-6508
GCVE (VulDB): GCVE-100-113119
SecurityFocus: 103020

Entryinfo

Created: 02/10/2018 11:03
Updated: 01/03/2020 19:36
Changes: 02/10/2018 11:03 (59), 01/03/2020 19:36 (2)
Complete: 🔍
Cache ID: 216::103

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