Ubuntu update for roundcube

1) Cross-site scripting

EUVDB-ID: #VU82545

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-2023-43770

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

Exploit availability: Yes

Description

The vulnerability allows a remote attacker to perform cross-site scripting (XSS) attacks.

The vulnerability exists in program/lib/Roundcube/rcube_string_replacer.php due to insufficient sanitization of user-supplied data passed via text/plain e-mail messages with crafted links. A remote attacker can send a specially crafted email message 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

Update the affected package roundcube to the latest version.

Vulnerable software versions

Ubuntu: 16.04 - 23.10

roundcube-core (Ubuntu package): before Ubuntu Pro

roundcube (Ubuntu package): before Ubuntu Pro

CPE2.3

• cpe:2.3:o:canonical:ubuntu:16.04:*:*:*:*:*:*:*
• cpe:2.3:o:canonical:ubuntu:18.04:*:*:*:*:*:*:*
• cpe:2.3:o:canonical:ubuntu:20.04:*:*:*:*:*:*:*
• cpe:2.3:o:canonical:ubuntu:22.04:*:*:*:*:*:*:*
• cpe:2.3:o:canonical:ubuntu:23.10:*:*:*:*:*:*:*
• cpe:2.3:a:canonical:roundcube-core_ubuntu_package:*:*:*:*:*:ubuntu:*:*
• cpe:2.3:a:canonical:roundcube_ubuntu_package:*:*:*:*:*:ubuntu:*:*

External links

https://ubuntu.com/security/notices/USN-6654-1

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.