Multiple vulnerabilities in Roundcube

Published: 2021-11-27 | Updated: 2023-12-26

Risk	High
Patch available	YES
Number of vulnerabilities	2
CVE-ID	CVE-2021-44026 CVE-2021-44025
CWE-ID	CWE-89 CWE-79
Exploitation vector	Network
Public exploit	Vulnerability #1 is being exploited in the wild.
Vulnerable software Subscribe	Roundcube Web applications / Webmail solutions
Vendor	Roundcube

Security Bulletin

This security bulletin contains information about 2 vulnerabilities.

1) SQL injection

EUVDB-ID: #VU58394

Risk: High

CVSSv3.1: 5.2 [CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:N/E:H/RL:O/RC:C]

CVE-ID: CVE-2021-44026

CWE-ID: CWE-89 - Improper Neutralization of Special Elements used in an SQL Command ('SQL Injection')

Exploit availability: Yes

Description

The vulnerability allows a remote user to execute arbitrary SQL queries in database.

The vulnerability exists due to insufficient sanitization of user-supplied data passed via search or search_params. A remote user can send a specially crafted request to the affected application and execute arbitrary SQL commands within the application database.

Successful exploitation of this vulnerability may allow a remote attacker to read, delete, modify data in database and gain complete control over the affected application.

Mitigation

Install update from vendor's website.

Vulnerable software versions

Roundcube: 1.3.0 - 1.4.11

External links

http://bugs.debian.org/1000156
http://github.com/roundcube/roundcubemail/commit/ee809bde2dcaa04857a919397808a7296681dcfa
http://github.com/roundcube/roundcubemail/commit/c8947ecb762d9e89c2091bda28d49002817263f1
http://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/NDVGIZMQJ5IOM47Y3SAAJRN5VPANKTKO/
http://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/TP3Y5RXTUUOUODNG7HFEKWYNIPIT2NL4/
http://www.recordedfuture.com/bluedelta-exploits-ukrainian-government-roundcube-mail-servers

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?

Yes. This vulnerability is being exploited in the wild.

2) Cross-site scripting

EUVDB-ID: #VU58393

Risk: Medium

CVSSv3.1: 5.3 [CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N/E:U/RL:O/RC:C]

CVE-ID: CVE-2021-44025

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 while handling an attachment's filename extension when displaying a MIME type warning message. A remote attacker can send a specially crafted email 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.