Multiple vulnerabilities in Jenkins Build Failure Analyzer plugin

1) Stored cross-site scripting

EUVDB-ID: #VU80943

Risk: Low

CVSSv3.1: 5.6 [CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:L/I:L/A:N/E:U/RL:O/RC:C]

CVE-ID: CVE-2023-43499

CWE-ID: CWE-79 - Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting')

Exploit availability: No

Description

The disclosed vulnerability allows a remote attacker to perform cross-site scripting (XSS) attacks.

The vulnerability exists due to the affected plugin does not escape Failure Cause names in build logs. A remote user can inject and execute arbitrary HTML and script code in user's browser in context of vulnerable website.

Successful exploitation of this vulnerability may allow a remote attacker to steal potentially sensitive information, change appearance of the web page, perform phishing and drive-by-download attacks.

Mitigation

Install updates from vendor's website.

Vulnerable software versions

Build Failure Analyzer: 1.2.0 - 2.27.0

CPE2.3

External links

http://www.jenkins.io/security/advisory/2023-09-20/#SECURITY-3244
http://www.openwall.com/lists/oss-security/2023/09/20/5

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) Cross-site request forgery

EUVDB-ID: #VU80946

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-2023-43502

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 insufficient validation of the HTTP request origin. A remote attacker can trick the victim to visit a specially crafted web page and perform arbitrary actions on behalf of the victim on the vulnerable website.

Mitigation

Install update from vendor's website.

Vulnerable software versions

Build Failure Analyzer: 1.2.0 - 2.27.0

CPE2.3

External links

http://www.jenkins.io/security/advisory/2023-09-20/#SECURITY-3239
http://www.openwall.com/lists/oss-security/2023/09/20/5

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.

3) Improper access control

EUVDB-ID: #VU80945

Risk: Low

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

CVE-ID: CVE-2023-43501

CWE-ID: CWE-284 - Improper Access Control

Exploit availability: No

Description

The vulnerability allows a remote attacker to gain unauthorized access to otherwise restricted functionality.

The vulnerability exists due to the affected plugin does not perform a permission check in a connection test HTTP endpoint. A remote user can connect to an attacker-specified hostname and port using attacker-specified username and password.

Mitigation

Install updates from vendor's website.

Vulnerable software versions

Build Failure Analyzer: 1.2.0 - 2.27.0

CPE2.3

External links

http://www.jenkins.io/security/advisory/2023-09-20/#SECURITY-3226
http://www.openwall.com/lists/oss-security/2023/09/20/5

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.

4) Cross-site request forgery

EUVDB-ID: #VU80944

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-2023-43500

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 insufficient validation of the HTTP request origin. A remote attacker can trick the victim to visit a specially crafted web page and perform arbitrary actions on behalf of the victim on the vulnerable website.

Mitigation

Install update from vendor's website.

Vulnerable software versions

Build Failure Analyzer: 1.2.0 - 2.27.0

CPE2.3

External links

http://www.jenkins.io/security/advisory/2023-09-20/#SECURITY-3226
http://www.openwall.com/lists/oss-security/2023/09/20/5

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.

Risk	Low
Patch available	YES
Number of vulnerabilities	4
CVE-ID	CVE-2023-43499 CVE-2023-43502 CVE-2023-43501 CVE-2023-43500
CWE-ID	CWE-79 CWE-352 CWE-284
Exploitation vector	Network
Public exploit	N/A
Vulnerable software	Build Failure Analyzer Web applications / Modules and components for CMS
Vendor	Jenkins