Cross-site scripting in GNU Xymon

1) Cross-site scripting

EUVDB-ID: #VU45120

Risk: Low

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

CVE-ID: CVE-2011-1716

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

Exploit availability: No

Description

Vulnerability allows a remote attacker to perform Cross-site scripting attacks.

An input validation error exists in the Web UI in Xymon before 4.3.1 when processing unspecified vectors. A remote attacker can trick the victim to follow a specially crafted link and execute arbitrary HTML and script code in victim's browser in security 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

Xymon: 4.0 - 4.3.0

CPE2.3

• cpe:2.3:a:gnu:xymon:4.0:*:*:*:*:*:*:*
• cpe:2.3:a:gnu:xymon:4.0.1:*:*:*:*:*:*:*
• cpe:2.3:a:gnu:xymon:4.0.2:*:*:*:*:*:*:*

External links

https://osvdb.org/71489
https://secunia.com/advisories/44036
https://securityreason.com/securityalert/8209
https://www.securityfocus.com/archive/1/517316/100/0/threaded
https://www.securityfocus.com/archive/1/517325/100/0/threaded
https://www.securityfocus.com/bid/47156
https://xymon.svn.sourceforge.net/viewvc/xymon/branches/4.3.2/Changes?revision=6673&view=markup
https://exchange.xforce.ibmcloud.com/vulnerabilities/66542

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.