Fedora EPEL 9 update for roundcubemail

1) Cross-site scripting

EUVDB-ID: #VU82083

Risk: High

CVSSv4.0: 5.1 [CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:A/VC:N/VI:N/VA:N/SC:L/SI:L/SA:N/E:A/U:Amber]

CVE-ID: CVE-2023-5631

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 when processing SVG files in program/lib/Roundcube/rcube_washtml.php. A remote attacker 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.

Note, the vulnerability is being actively exploited in the wild.

Mitigation

Install updates from vendor's repository.

Vulnerable software versions

Fedora: 9

roundcubemail: before 1.5.5-1.el9

CPE2.3

• cpe:2.3:o:fedoraproject:fedora:9:*:*:*:*:*:*:*
• cpe:2.3:o:fedoraproject:roundcubemail:*:*:*:*:*:fedora:*:*

External links

https://bodhi.fedoraproject.org/updates/FEDORA-EPEL-2023-919f644f04

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?

Yes. This vulnerability is being exploited in the wild.