Multiple vulnerabilities in Cacti

1) Stored cross-site scripting

EUVDB-ID: #VU24356

Risk: Low

CVSSv4.0: 2.7 [CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:N/SC:L/SI:L/SA:N/E:U/U:Clear]

CVE-ID: CVE-2020-7106

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 "description" parameter. A remote attacker can permanently 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.

This vulnerability affects the following files:

• data_sources.php
• color_templates_item.php
• graphs.php
• graph_items.php
• lib/api_automation.php
• user_admin.php
• user_group_admin.php

Mitigation

Install update from vendor's website.

Vulnerable software versions

Cacti: 1.2.8

CPE2.3

• cpe:2.3:a:the_cacti_group:cacti:1.2.8:*:*:*:*:*:*:*

External links

https://github.com/Cacti/cacti/issues/3191

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) Input validation error

EUVDB-ID: #VU24394

Risk: High

CVSSv4.0: 6.3 [CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:U/U:Amber]

CVE-ID: CVE-2020-7237

CWE-ID: CWE-20 - Improper input validation

Exploit availability: No

Description

The vulnerability allows a remote attacker to execute arbitrary code on the target system.

The vulnerability exists due to insufficient validation of user-supplied input in the Performance Boost Debug Log field of "poller_automation.php". A remote authenticated attacker can execute arbitrary code via shell metacharacters.

Mitigation

Install update from vendor's website.

Vulnerable software versions

Cacti: 1.2.8

CPE2.3

• cpe:2.3:a:the_cacti_group:cacti:1.2.8:*:*:*:*:*:*:*

External links

https://github.com/Cacti/cacti/issues/3201

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.