VDB-112721 · CVE-2017-16861 · BID 102971

FishEye/Crucible up to 4.4.4 Double OGNL Evaluation JSP File Java access control

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.
8.2	$0-$5k	0.00

Summaryinfo

A vulnerability was found in FishEye and Crucible up to 4.4.4. It has been rated as critical. This issue affects some unknown processing of the component Double OGNL Evaluation. The manipulation as part of JSP File leads to access control (Java). This vulnerability is documented as CVE-2017-16861. The attack can be initiated remotely. There is not any exploit available. Upgrading the affected component is advised.

Detailsinfo

A vulnerability was found in FishEye and Crucible up to 4.4.4 (Programming Tool Software) and classified as critical. This issue affects an unknown function of the component Double OGNL Evaluation. The manipulation as part of a JSP File leads to a access control vulnerability (Java). 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 confidentiality, integrity, and availability. The summary by CVE is:

It was possible for double OGNL evaluation in certain redirect action and in WebWork URL and Anchor tags in JSP files to occur. An attacker who can access the web interface of Fisheye or Crucible or who hosts a website that a user who can access the web interface of Fisheye or Crucible visits, is able to exploit this vulnerability to execute Java code of their choice on systems that run a vulnerable version of Fisheye or Crucible. All versions of Fisheye and Crucible before 4.4.5 (the fixed version for 4.4.x) and from 4.5.0 before 4.5.2 (the fixed version for 4.5.x) are affected by this vulnerability.

The bug was discovered 01/08/2018. The weakness was released 02/01/2018 by David Black (Website). The advisory is shared at securityfocus.com. The identification of this vulnerability is CVE-2017-16861 since 11/16/2017. The exploitation is known to be easy. The attack may be initiated remotely. No form of authentication is needed for a successful exploitation. Neither technical details nor an exploit are publicly available. MITRE ATT&CK project uses the attack technique T1068 for this issue.

The vulnerability was handled as a non-public zero-day exploit for at least 23 days. During that time the estimated underground price was around $0-$5k.

Upgrading to version 4.4.5 eliminates this vulnerability.

The vulnerability is also documented in the vulnerability database at SecurityFocus (BID 102971†). Several companies clearly confirm that VulDB is the primary source for best vulnerability data.

Productinfo

Type

Programming Tool Software

Name

Version

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 8.5
VulDB Meta Temp Score: 8.4

VulDB Base Score: 7.3
VulDB Temp Score: 7.0
VulDB Vector: 🔍
VulDB Reliability: 🔍

NVD Base Score: 9.8
NVD Vector: 🔍

CVSSv2info

AV	AC	Au	C	I	A
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💳	💳	💳	💳	💳	💳
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Vector	Complexity	Authentication	Confidentiality	Integrity	Availability
Unlock	Unlock	Unlock	Unlock	Unlock	Unlock
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VulDB Base Score: 🔍
VulDB Temp Score: 🔍
VulDB Reliability: 🔍

NVD Base Score: 🔍

Exploitinginfo

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

Physical: No
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: FishEye/Crucible 4.4.5

Timelineinfo

11/16/2017 🔍
01/08/2018 +53 days 🔍
01/31/2018 +23 days 🔍
01/31/2018 +0 days 🔍
02/01/2018 +1 days 🔍
02/02/2018 +1 days 🔍
12/31/2019 +697 days 🔍

Sourcesinfo

Advisory: securityfocus.com⛔
Researcher: David Black
Status: Not defined

CVE: CVE-2017-16861 (🔍)
GCVE (CVE): GCVE-0-2017-16861
GCVE (VulDB): GCVE-100-112721
SecurityFocus: 102971 - Atlassian FishEye and Crucible CVE-2017-16861 Multiple Remote Code Execution Vulnerabilities

Entryinfo

Created: 02/02/2018 07:59
Updated: 12/31/2019 20:42
Changes: 02/02/2018 07:59 (62), 12/31/2019 20:42 (4)
Complete: 🔍
Cache ID: 216::103

Several companies clearly confirm that VulDB is the primary source for best vulnerability data.