USN-6654-1: Roundcube Webmail vulnerability

Releases

• Ubuntu 23.10
• Ubuntu 22.04 LTS
• Ubuntu 20.04 LTS
• Ubuntu 18.04 ESM
• Ubuntu 16.04 ESM

Packages

• roundcube - skinnable AJAX based webmail solution for IMAP servers

Details

It was discovered that Roundcube Webmail incorrectly sanitized characters
in the linkrefs text messages. An attacker could possibly use this issue to
execute a cross-site scripting (XSS) attack. (CVE-2023-43770)

Update instructions

The problem can be corrected by updating your system to the following package versions:

Ubuntu 23.10

• roundcube - 1.6.2+dfsg-1ubuntu0.1
• roundcube-core - 1.6.2+dfsg-1ubuntu0.1

Ubuntu 22.04

• roundcube - 1.5.0+dfsg.1-2ubuntu0.1~esm2
  Available with Ubuntu Pro
• roundcube-core - 1.5.0+dfsg.1-2ubuntu0.1~esm2
  Available with Ubuntu Pro

Ubuntu 20.04

• roundcube - 1.4.3+dfsg.1-1ubuntu0.1~esm3
  Available with Ubuntu Pro
• roundcube-core - 1.4.3+dfsg.1-1ubuntu0.1~esm3
  Available with Ubuntu Pro

Ubuntu 18.04

• roundcube - 1.3.6+dfsg.1-1ubuntu0.1~esm3
  Available with Ubuntu Pro
• roundcube-core - 1.3.6+dfsg.1-1ubuntu0.1~esm3
  Available with Ubuntu Pro

Ubuntu 16.04

• roundcube - 1.2~beta+dfsg.1-0ubuntu1+esm3
  Available with Ubuntu Pro
• roundcube-core - 1.2~beta+dfsg.1-0ubuntu1+esm3
  Available with Ubuntu Pro

In general, a standard system update will make all the necessary changes.

References

• CVE-2023-43770