Multiple vulnerabilities in CRX Content Package Deployer plugin for Jenkins

Published: 2019-10-22

Risk	Low
Patch available	YES
Number of vulnerabilities	3
CVE-ID	CVE-2019-10439 CVE-2019-10438 CVE-2019-10437
CWE-ID	CWE-200 CWE-264 CWE-352
Exploitation vector	Network
Public exploit	N/A
Vulnerable software Subscribe	CRX Content Package Deployer Web applications / Modules and components for CMS
Vendor	Jenkins

Security Bulletin

This security bulletin contains information about 3 vulnerabilities.

1) Information disclosure

EUVDB-ID: #VU22028

Risk: Low

CVSSv3.1: 3.8 [CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:N/E:U/RL:O/RC:C]

CVE-ID: CVE-2019-10439

CWE-ID: CWE-200 - Information exposure

Exploit availability: No

Description

The vulnerability allows a remote attacker to gain access to potentially sensitive information.

The vulnerability exists due to missing permission check in various "doFillCredentialsIdItems" methods. A remote authenticated attacker with with Overall/Read permission can enumerate credentials ID of credentials stored in Jenkins.

Mitigation

Install updates from vendor's website.

Vulnerable software versions

CRX Content Package Deployer: 1.0 - 1.8.1

CPE2.3

External links

http://jenkins.io/security/advisory/2019-10-16/#SECURITY-1006%20(2)

Q & A

Can this vulnerability be exploited remotely?

Yes. This vulnerability can be exploited by a remote authenticated user via the Internet.

Is there known malware, which exploits this vulnerability?

No. We are not aware of malware exploiting this vulnerability.

2) Permissions, Privileges, and Access Controls

EUVDB-ID: #VU22025

Risk: Low

CVSSv3.1: 4.7 [CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:N/E:U/RL:O/RC:C]

CVE-ID: CVE-2019-10438

CWE-ID: CWE-264 - Permissions, Privileges, and Access Controls

Exploit availability: No

Description

The vulnerability allows a remote attacker to escalate privileges on the system.

The vulnerability exists due to missing permission checks on a method implementing form validation. A remote authenticated attacker can capture credentials stored in Jenkins.

Mitigation

Install updates from vendor's website.

Vulnerable software versions

CRX Content Package Deployer: 1.0 - 1.8.1

CPE2.3

External links

http://jenkins.io/security/advisory/2019-10-16/

Q & A

Can this vulnerability be exploited remotely?

Yes. This vulnerability can be exploited by a remote authenticated user via the Internet.

Is there known malware, which exploits this vulnerability?

No. We are not aware of malware exploiting this vulnerability.

3) Cross-site request forgery

EUVDB-ID: #VU21976

Risk: Low

CVSSv3.1: 5.3 [CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N/E:U/RL:O/RC:C]

CVE-ID: CVE-2019-10437

CWE-ID: CWE-352 - Cross-Site Request Forgery (CSRF)

Exploit availability: No

Description

The vulnerability allows a remote attacker to perform cross-site request forgery attacks.

The vulnerability exists due to the form validation method does not require POST requests. A remote attacker can trick the user with Overall/Read access to visit a specially crafted web page and perform arbitrary actions on behalf of the victim on the vulnerable website.

Mitigation

Install updates from vendor's website.

Vulnerable software versions

CRX Content Package Deployer: 1.0 - 1.8.1

CPE2.3

External links

http://jenkins.io/security/advisory/2019-10-16/

Q & A

Can this vulnerability be exploited remotely?

Yes. This vulnerability can be exploited by a remote non-authenticated attacker via the Internet.

Is there known malware, which exploits this vulnerability?

No. We are not aware of malware exploiting this vulnerability.