Multiple vulnerabilities in Jenkins Publish Over SSH plugin



Published: 2022-01-14
Risk Medium
Patch available NO
Number of vulnerabilities 5
CVE-ID CVE-2022-23110
CVE-2022-23114
CVE-2022-23113
CVE-2022-23112
CVE-2022-23111
CWE-ID CWE-79
CWE-312
CWE-22
CWE-264
CWE-352
Exploitation vector Network
Public exploit N/A
Vulnerable software
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Publish Over SSH
Web applications / Modules and components for CMS

Vendor Jenkins

Security Bulletin

This security bulletin contains information about 5 vulnerabilities.

1) Cross-site scripting

EUVDB-ID: #VU59604

Risk: Low

CVSSv3.1: 5.9 [CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:L/I:L/A:N/E:U/RL:U/RC:C]

CVE-ID: CVE-2022-23110

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 insufficient sanitization of user-supplied data in the SSH server name. A remote autenticated attacker 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

Cybersecurity Help is currently unaware of any official solution to address this vulnerability.

Vulnerable software versions

Publish Over SSH: 1.22


CPE2.3 External links

http://jenkins.io/security/advisory/2022-01-12/

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) Cleartext storage of sensitive information

EUVDB-ID: #VU59608

Risk: Low

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

CVE-ID: CVE-2022-23114

CWE-ID: CWE-312 - Cleartext Storage of Sensitive Information

Exploit availability: No

Description

The vulnerability allows a local user to gain access to potentially sensitive information.

The vulnerability exists due to the affected plugin stores password unencrypted in its global configuration file jenkins.plugins.publish_over_ssh.BapSshPublisherPlugin.xml on the Jenkins controller as part of its configuration. A local user can retrieve sensitive information stored in cleartext.

Mitigation

Cybersecurity Help is currently unaware of any official solution to address this vulnerability.

Vulnerable software versions

Publish Over SSH: 1.22


CPE2.3 External links

http://jenkins.io/security/advisory/2022-01-12/

Q & A

Can this vulnerability be exploited remotely?

No. This vulnerability can be exploited locally. The attacker should have authentication credentials and successfully authenticate on the system.

Is there known malware, which exploits this vulnerability?

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

3) Path traversal

EUVDB-ID: #VU59607

Risk: Medium

CVSSv3.1: 4 [CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:N/E:U/RL:U/RC:C]

CVE-ID: CVE-2022-23113

CWE-ID: CWE-22 - Improper Limitation of a Pathname to a Restricted Directory ('Path Traversal')

Exploit availability: No

Description

The vulnerability allows a remote attacker to perform directory traversal attacks.

The vulnerability exists due to input validation error when processing directory traversal sequences. A remote authenticated attacker can send a specially crafted HTTP request and read arbitrary files on the system.

Mitigation

Cybersecurity Help is currently unaware of any official solution to address this vulnerability.

Vulnerable software versions

Publish Over SSH: 1.22


CPE2.3 External links

http://jenkins.io/security/advisory/2022-01-12/

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) Permissions, Privileges, and Access Controls

EUVDB-ID: #VU59606

Risk: Medium

CVSSv3.1: 4 [CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:L/A:N/E:U/RL:U/RC:C]

CVE-ID: CVE-2022-23112

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 application does not properly impose security restrictions in methods implementing connection tests. A remote authenticated attacker can connect to an attacker-specified SSH server using attacker-specified credentials. 

Mitigation

Cybersecurity Help is currently unaware of any official solution to address this vulnerability.

Vulnerable software versions

Publish Over SSH: 1.22


CPE2.3 External links

http://jenkins.io/security/advisory/2022-01-12/

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.

5) Cross-site request forgery

EUVDB-ID: #VU59605

Risk: Low

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

CVE-ID: CVE-2022-23111

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

Cybersecurity Help is currently unaware of any official solution to address this vulnerability.

Vulnerable software versions

Publish Over SSH: 1.22


CPE2.3 External links

http://jenkins.io/security/advisory/2022-01-12/

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.



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