VDB-118988 · CVE-2018-1000198 · Qualys 13416

Black Duck Hub Plugin up to 3.1.0 on Jenkins PostBuildScanDescriptor.java XML Document xml external entity reference

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.
6.4	$0-$5k	0.00

Summaryinfo

A vulnerability, which was classified as critical, was found in Black Duck Hub Plugin up to 3.1.0 on Jenkins. Affected by this issue is some unknown functionality of the file PostBuildScanDescriptor.java. Such manipulation as part of XML Document leads to xml external entity reference. This vulnerability is listed as CVE-2018-1000198. The attack may be performed from remote. There is no available exploit.

Detailsinfo

A vulnerability was found in Black Duck Hub Plugin up to 3.1.0 on Jenkins (Jenkins Plugin). It has been rated as critical. Affected by this issue is some unknown functionality of the file PostBuildScanDescriptor.java. The manipulation as part of a XML Document leads to a xml external entity reference vulnerability. Using CWE to declare the problem leads to CWE-611. The product processes an XML document that can contain XML entities with URIs that resolve to documents outside of the intended sphere of control, causing the product to embed incorrect documents into its output. Impacted is confidentiality, integrity, and availability. CVE summarizes:

A XML external entity processing vulnerability exists in Jenkins Black Duck Hub Plugin 3.1.0 and older in PostBuildScanDescriptor.java that allows attackers with Overall/Read permission to make Jenkins process XML eternal entities in an XML document.

The bug was discovered 05/09/2018. The weakness was presented 06/05/2018 (Website). The advisory is shared for download at jenkins.io. This vulnerability is handled as CVE-2018-1000198 since 06/05/2018. The exploitation is known to be easy. The attack may be launched remotely. A simple authentication is required for exploitation. There are known technical details, but no exploit is available.

The vulnerability was handled as a non-public zero-day exploit for at least 27 days. During that time the estimated underground price was around $0-$5k. The commercial vulnerability scanner Qualys is able to test this issue with plugin 13416 (Jenkins Multiple Security Vulnerabilities (Jenkins Security Advisory 2018-05-09)).

There is no information about possible countermeasures known. It may be suggested to replace the affected object with an alternative product.

See VDB-118982, VDB-118983, VDB-118984 and VDB-118985 for similar entries. Once again VulDB remains the best source for vulnerability data.

Productinfo

Type

Jenkins Plugin

Name

Black Duck Hub Plugin

Version

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 6.4
VulDB Meta Temp Score: 6.4

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

NVD Base Score: 6.5
NVD Vector: 🔍

CVSSv2info

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

NVD Base Score: 🔍

Exploitinginfo

Class: Xml external entity reference
CWE: CWE-611 / CWE-610
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

Qualys ID: 🔍
Qualys Name: 🔍

Threat Intelligenceinfo

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

Countermeasuresinfo

Recommended: no mitigation known
Status: 🔍

0-Day Time: 🔍

Timelineinfo

05/09/2018 🔍
06/05/2018 +26 days 🔍
06/05/2018 +0 days 🔍
06/05/2018 +0 days 🔍
06/06/2018 +1 days 🔍
07/16/2020 +771 days 🔍

Sourcesinfo

Advisory: jenkins.io
Status: Confirmed
Confirmation: 🔍

CVE: CVE-2018-1000198 (🔍)
GCVE (CVE): GCVE-0-2018-1000198
GCVE (VulDB): GCVE-100-118988
See also: 🔍

Entryinfo

Created: 06/06/2018 10:21
Updated: 07/16/2020 20:54
Changes: 06/06/2018 10:21 (61), 07/16/2020 20:54 (2)
Complete: 🔍
Cache ID: 216::103