An issue was discovered in Roundcube Webmail before 1.4.4. A CSRF attack can cause an authenticated user to be logged out because POST was not considered.

The remote Ubuntu 16.04 ESM / 18.04 ESM / 20.04 ESM / 22.04 ESM host has packages installed that are affected by multiple vulnerabilities as referenced in the USN-5182-1 advisory.

    It was discovered that Roundcube Webmail allowed JavaScript code to be present in the CDATA of an HTML     message. A remote attacker could possibly use this issue to execute a cross-site scripting (XSS) attack.
    This issue only affected Ubuntu 16.04 ESM, Ubuntu 18.04 ESM and Ubuntu 20.04 ESM. (CVE-2020-12625)

    It was discovered that Roundcube Webmail incorrectly processed login and logout POST requests. An attacker     could possibly use this issue to launch a cross-site request forgery (CSRF) attack and force an     authenticated user to be logged out. This issue only affected Ubuntu 16.04 ESM, Ubuntu 18.04 ESM and     Ubuntu 20.04 ESM. (CVE-2020-12626)

    It was discovered that Roundcube Webmail incorrectly processed new plugin names in rcube_plugin_api.php.
    An attacker could possibly use this issue to obtain sensitive information from local files or to execute     arbitrary code. This issue only affected Ubuntu 16.04 ESM, Ubuntu 18.04 ESM and Ubuntu 20.04 ESM.
    (CVE-2020-12640)

    It was discovered that Roundcube Webmail did not sanitize shell metacharacters recovered from variables in     its configuration settings. An attacker could possibly use this issue to execute arbitrary code in the     server. This issue only affected Ubuntu 16.04 ESM, Ubuntu 18.04 ESM and Ubuntu 20.04 ESM. (CVE-2020-12641)

    It was discovered that Roundcube Webmail incorrectly sanitized characters in the username template object.
    An attacker could possibly use this issue to execute a cross-site scripting (XSS) attack. This issue only     affected Ubuntu 16.04 ESM, Ubuntu 18.04 ESM and Ubuntu 20.04 ESM. (CVE-2020-13964)

    It was discovered that Roundcube Webmail allowed preview of text/html content. A remote attacker could     possibly use this issue to send a malicious XML attachment via an email message and execute a cross-site     scripting (XSS) attack. This issue only affected Ubuntu 16.04 ESM, Ubuntu 18.04 ESM and Ubuntu 20.04 ESM.
    (CVE-2020-13965)

    Andrea Cardaci discovered that Roundcube Webmail did not properly sanitize HTML special characters when     dealing with HTML messages that contained an SVG element in the XML namespace. A remote attacker could     possibly use this issue to execute a cross-site scripting (XSS) attack. This issue only affected Ubuntu     18.04 ESM and Ubuntu 20.04 ESM. (CVE-2020-15562)

    Lukasz Pilorz discovered that Roundcube Webmail did not properly sanitize HTML special characters when     dealing with HTML messages that contained SVG documents. A remote attacker could possibly use this issue     to execute a cross-site scripting (XSS) attack. This issue only affected Ubuntu 18.04 ESM and Ubuntu 20.04     ESM. (CVE-2020-16145)

    Alex Birnberg discovered that Roundcube Webmail incorrectly sanitized characters in plain text e-mail     messages that included link reference elements. A remote attacker could possibly use this issue to execute     a cross-site scripting (XSS) attack. This issue only affected Ubuntu 16.04 ESM, Ubuntu 18.04 ESM and     Ubuntu 20.04 ESM. (CVE-2020-35730)

    It was discovered that Roundcube Webmail did not properly sanitize HTML special characters in warning     messages that contained an attachment's filename extension. A remote attacker could possibly use this     issue to execute a cross-site scripting (XSS) attack. This issue only affected Ubuntu 16.04 ESM, Ubuntu     18.04 ESM and Ubuntu 20.04 ESM. (CVE-2021-44025)

    It was discovered that Roundcube Webmail incorrectly managed session variables related to search     functionalities. A remote attacker could possibly use this issue to execute a SQL injection attack. This     issue only affected Ubuntu 16.04 ESM, Ubuntu 18.04 ESM and Ubuntu 20.04 ESM. (CVE-2021-44026)

    It was discovered that Roundcube Webmail did not properly sanitize HTML special characters when dealing     with HTML messages that contained CSS content. A remote attacker could possibly use this issue to execute     a cross-site scripting (XSS) attack. This issue only affected Ubuntu 18.04 ESM, Ubuntu 20.04 ESM and     Ubuntu 22.04 ESM. (CVE-2021-46144)

Tenable has extracted the preceding description block directly from the Ubuntu security advisory.

Note that Nessus has not tested for these issues but has instead relied only on the application's self-reported version number.

The remote host is affected by the vulnerability described in GLSA-202007-41 (Roundcube: Multiple vulnerabilities)

    Multiple vulnerabilities have been discovered in Roundcube. Please       review the CVE identifiers referenced below for details.
  Impact :

    Please review the referenced CVE identifiers for details.
  Workaround :

    There is no known workaround at this time.

It was discovered that roundcube, a skinnable AJAX based webmail solution for IMAP servers, did not correctly process and sanitize requests. This would allow a remote attacker to perform either a Cross-Site Request Forgery (CSRF) forcing an authenticated user to be logged out, or a Cross-Side Scripting (XSS) leading to execution of arbitrary code.

ID	Name	Product	Family	Severity
183111	Ubuntu 16.04 ESM / 18.04 ESM / 20.04 ESM / 22.04 ESM : Roundcube Webmail vulnerabilities (USN-5182-1)	Nessus	Ubuntu Local Security Checks	critical
138964	GLSA-202007-41 : Roundcube: Multiple vulnerabilities	Nessus	Gentoo Local Security Checks	critical
136370	Debian DSA-4674-1 : roundcube - security update	Nessus	Debian Local Security Checks	medium

Detections

Analytics

CVE-2020-12626

medium

Tenable Plugins

critical

critical

medium