VDB-107450 · CVE-2017-1000086 · BID 100437

Jenkins Periodic Backup Plugin POST Request cross-site request forgery

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.
6.1	$0-$5k	0.00

Summaryinfo

A vulnerability classified as problematic was found in Jenkins. This affects an unknown part of the component Periodic Backup Plugin. Such manipulation as part of POST Request leads to cross-site request forgery. This vulnerability is referenced as CVE-2017-1000086. It is possible to launch the attack remotely. No exploit is available.

Detailsinfo

A vulnerability was found in Jenkins (Continuous Integration Software) (version unknown). It has been rated as problematic. Affected by this issue is an unknown function of the component Periodic Backup Plugin. The manipulation as part of a POST Request leads to a cross-site request forgery vulnerability. Using CWE to declare the problem leads to CWE-352. The web application does not, or can not, sufficiently verify whether a well-formed, valid, consistent request was intentionally provided by the user who submitted the request. Impacted is integrity. CVE summarizes:

The Periodic Backup Plugin did not perform any permission checks, allowing any user with Overall/Read access to change its settings, trigger backups, restore backups, download backups, and also delete all previous backups via log rotation. Additionally, the plugin was not requiring requests to its API be sent via POST, thereby opening itself to Cross-Site Request Forgery attacks.

The bug was discovered 07/10/2017. The weakness was published 10/05/2017 (Website). The advisory is available at jenkins.io. This vulnerability is handled as CVE-2017-1000086 since 07/13/2017. The attack may be launched remotely. No form of authentication is required for exploitation. Successful exploitation requires user interaction by the victim. The technical details are unknown and an exploit is not available.

The vulnerability was handled as a non-public zero-day exploit for at least 86 days. During that time the estimated underground price was around $0-$5k.

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

The vulnerability is also documented in the vulnerability database at SecurityFocus (BID 100437†). Similar entries are available at VDB-107448, VDB-107449, VDB-107451 and VDB-107452. If you want to get best quality of vulnerability data, you may have to visit VulDB.

Productinfo

Type

Continuous Integration Software

Name

Jenkins

License

open-source

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 6.1
VulDB Meta Temp Score: 6.1

VulDB Base Score: 4.3
VulDB Temp Score: 4.3
VulDB Vector: 🔍
VulDB Reliability: 🔍

NVD Base Score: 8.0
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: Cross-site request forgery
CWE: CWE-352 / CWE-862 / CWE-863
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: no mitigation known
Status: 🔍

0-Day Time: 🔍

Timelineinfo

07/10/2017 🔍
07/13/2017 +3 days 🔍
08/22/2017 +40 days 🔍
10/04/2017 +43 days 🔍
10/05/2017 +1 days 🔍
10/05/2017 +0 days 🔍
01/15/2021 +1198 days 🔍

Sourcesinfo

Advisory: jenkins.io
Researcher: Nathan Rennie-Waldock
Status: Not defined
Confirmation: 🔍

CVE: CVE-2017-1000086 (🔍)
GCVE (CVE): GCVE-0-2017-1000086
GCVE (VulDB): GCVE-100-107450
SecurityFocus: 100437 - Jenkins Periodic Backup Plugin CVE-2017-1000086 Security Bypass Vulnerability

See also: 🔍

Entryinfo

Created: 10/05/2017 15:06
Updated: 01/15/2021 13:20
Changes: 10/05/2017 15:06 (59), 11/22/2019 06:22 (4), 01/15/2021 13:20 (2)
Complete: 🔍
Cache ID: 216::103

If you want to get best quality of vulnerability data, you may have to visit VulDB.