VDB-108832 · CVE-2017-10940 · BID 99510

Joyent Smart Data Center Docker API unrestricted upload

CVSS Meta Temp Score CVSS is a standardized scoring system to determine possibilities of attacks. The Temp Score considers temporal factors like disclosure, exploit and countermeasures. The unique Meta Score calculates the average score of different sources to provide a normalized scoring system.	Current Exploit Price (≈) Our analysts are monitoring exploit markets and are in contact with vulnerability brokers. The range indicates the observed or calculated exploit price to be seen on exploit markets. A good indicator to understand the monetary effort required for and the popularity of an attack.	CTI Interest Score Our Cyber Threat Intelligence team is monitoring different web sites, mailing lists, exploit markets and social media networks. The CTI Interest Score identifies the interest of attackers and the security community for this specific vulnerability in real-time. A high score indicates an elevated risk to be targeted for this vulnerability.
7.2	$0-$5k	0.00

A vulnerability has been found in Joyent Smart Data Center and classified as critical. This vulnerability affects an unknown part of the component Docker API. The manipulation with an unknown input leads to a unrestricted upload vulnerability. The CWE definition for the vulnerability is CWE-434. The product allows the attacker to upload or transfer files of dangerous types that can be automatically processed within the product's environment. As an impact it is known to affect confidentiality, integrity, and availability. CVE summarizes:

This vulnerability allows remote attackers to execute arbitrary code on vulnerable installations of Joyent Smart Data Center prior to agentsshar@1.0.0-release-20160901-20160901T051624Z-g3fd5adf (e469cf49-4de3-4658-8419-ab42837916ad). An attacker must first obtain the ability to execute low-privileged code on the target system in order to exploit this vulnerability. The specific flaw exists within the docker API. The process does not properly validate user-supplied data which can allow for the upload of arbitrary files. An attacker can leverage this vulnerability to execute arbitrary code under the context of root. Was ZDI-CAN-3853.

The bug was discovered 07/07/2017. The weakness was disclosed 10/31/2017 (Website). The advisory is shared for download at help.joyent.com. This vulnerability was named CVE-2017-10940 since 07/05/2017. The attack can be initiated remotely. A single authentication is necessary for exploitation. There are neither technical details nor an exploit publicly available. The MITRE ATT&CK project declares the attack technique as T1608.002.

The vulnerability was handled as a non-public zero-day exploit for at least 116 days. During that time the estimated underground price was around $0-$5k.

Upgrading to version agentsshar@1.0.0-release-20160901-20160901T051624Z-g3fd5adf eliminates this vulnerability.

Productinfo

Vendor

Joyent

Name

Smart Data Center

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB CVSS-B Score: 🔍
VulDB CVSS-BT Score: 🔍
VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 7.5
VulDB Meta Temp Score: 7.4

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

NVD Base Score: 8.8
NVD Vector: 🔍

CVSSv2info

AV	AC	Au	C	I	A
💳	💳	💳	💳	💳	💳
💳	💳	💳	💳	💳	💳
💳	💳	💳	💳	💳	💳

Vector	Complexity	Authentication	Confidentiality	Integrity	Availability
unlock	unlock	unlock	unlock	unlock	unlock
unlock	unlock	unlock	unlock	unlock	unlock
unlock	unlock	unlock	unlock	unlock	unlock

VulDB Base Score: 🔍
VulDB Temp Score: 🔍
VulDB Reliability: 🔍

NVD Base Score: 🔍

Exploitinginfo

Class: Unrestricted upload
CWE: CWE-434 / CWE-284 / CWE-266
ATT&CK: T1608.002

Local: No
Remote: Yes

Availability: 🔍
Status: Not defined

EPSS Score: 🔍
EPSS Percentile: 🔍

Price Prediction: 🔍
Current Price Estimation: 🔍

0-Day	unlock	unlock	unlock	unlock
Today	unlock	unlock	unlock	unlock

Threat Intelligenceinfo

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

Countermeasuresinfo

Recommended: Upgrade
Status: 🔍

0-Day Time: 🔍

Upgrade: Smart Data Center agentsshar@1.0.0-release-20160901-20160901T051624Z-g3fd5adf

Timelineinfo

07/05/2017 🔍
07/07/2017 +2 days 🔍
07/07/2017 +0 days 🔍
10/31/2017 +116 days 🔍
10/31/2017 +0 days 🔍
11/01/2017 +1 days 🔍
01/21/2021 +1177 days 🔍

Sourcesinfo

Advisory: help.joyent.com
Researcher: Ben Murphy
Status: Not defined
Confirmation: 🔍

CVE: CVE-2017-10940 (🔍)
SecurityFocus: 99510 - Joyent Triton DataCenter CVE-2017-10940 Privilege Escalation Vulnerability

Entryinfo

Created: 11/01/2017 07:43
Updated: 01/21/2021 10:41
Changes: 11/01/2017 07:43 (59), 12/02/2019 11:46 (4), 01/21/2021 10:41 (2)
Complete: 🔍