Multiple vulnerabilities in Icinga Web 2

1) Open redirect

EUVDB-ID: #VU70342

Risk: Low

CVSSv3.1: 3 [CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:C/C:L/I:N/A:N/E:U/RL:O/RC:C]

CVE-ID: N/A

CWE-ID: CWE-601 - URL Redirection to Untrusted Site ('Open Redirect')

Exploit availability: No

Description

The vulnerability allows a remote attacker to redirect victims to arbitrary URL.

The vulnerability exists due to improper sanitization of user-supplied data. A remote attacker can create a link that leads to a trusted website, however, when clicked, redirects the victim to arbitrary domain.

Successful exploitation of this vulnerability may allow a remote attacker to perform a phishing attack and steal potentially sensitive information.

Mitigation

Install updates from vendor's website.

Vulnerable software versions

Icinga Web 2: 2.9.0 - 2.11.2

External links

http://github.com/Icinga/icingaweb2/issues/4945
http://github.com/Icinga/icingaweb2/releases/tag/v2.11.3
http://github.com/Icinga/icingaweb2/releases/tag/v2.10.4
http://github.com/Icinga/icingaweb2/releases/tag/v2.9.8

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.

2) Cross-site scripting

EUVDB-ID: #VU70343

Risk: Low

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

CVE-ID: N/A

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 user to perform cross-site scripting (XSS) attacks.

The vulnerability exists due to insufficient sanitization of user-supplied data when parsing SSH configuration. A remote user can trick the victim to follow a specially crafted link 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

Icinga Web 2: 2.9.0 - 2.11.2

External links

http://github.com/Icinga/icingaweb2/releases/tag/v2.11.3
http://github.com/Icinga/icingaweb2/issues/4947
http://github.com/Icinga/icingaweb2/releases/tag/v2.10.4
http://github.com/Icinga/icingaweb2/releases/tag/v2.9.8

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 scripting

EUVDB-ID: #VU70344

Risk: Low

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

CVE-ID: N/A

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 user to perform cross-site scripting (XSS) attacks.

The vulnerability exists due to insufficient sanitization of user-supplied data in Dashlets. A remote user  can inject and execute arbitrary JavaScript 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

Icinga Web 2: 2.9.0 - 2.11.2

External links

http://github.com/Icinga/icingaweb2/releases/tag/v2.11.3
http://github.com/Icinga/icingaweb2/issues/4959
http://github.com/Icinga/icingaweb2/releases/tag/v2.10.4
http://github.com/Icinga/icingaweb2/releases/tag/v2.9.8

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) Improper access control

EUVDB-ID: #VU70345

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: N/A

CWE-ID: CWE-284 - Improper Access Control

Exploit availability: No

Description

The vulnerability allows a remote user to gain access to sensitive information.

The vulnerability exists due to improper access restrictions within the role member suggestion endpoint. A remote user can retrieve names of all available users and user groups.

Mitigation

Install updates from vendor's website.

Vulnerable software versions

Icinga Web 2: 2.9.0 - 2.11.2

External links

http://github.com/Icinga/icingaweb2/releases/tag/v2.11.3
http://github.com/Icinga/icingaweb2/issues/4961
http://github.com/Icinga/icingaweb2/releases/tag/v2.10.4
http://github.com/Icinga/icingaweb2/releases/tag/v2.9.8

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.