steps/mail/func.inc in Roundcube before 1.3.8 has XSS via crafted use of <svg><style>, as demonstrated by an onload attribute in a BODY element, within an HTML attachment.

The remote Ubuntu 16.04 LTS / 18.04 LTS host has packages installed that are affected by multiple vulnerabilities as referenced in the USN-8132-1 advisory.

    It was discovered that Roundcube Webmail did not properly sanitize

    certain HTML elements within the e-mail body. An attacker could possibly

    use this issue to cause a cross-site scripting attack. This issue was only

    addressed in Ubuntu 16.04 LTS. (CVE-2016-4068, CVE-2016-4069)

    It was discovered that Roundcube Webmail did not properly handle certain

    configuration parameters. An attacker could possibly use this issue to

    execute arbitrary code. This issue was only addressed in Ubuntu 16.04 LTS.

    (CVE-2016-9920)

    It was discovered that Roundcube Webmail did not properly sanitize CSS styles

    within SVG documents. An attacker could possibly use this issue to cause

    a cross-site scripting attack. This issue was only addressed in Ubuntu 16.04 LTS. (CVE-2017-6820)

    It was discovered that Roundcube Webmail did not properly restrict exec call in

    certain drivers of the password plugin. An authenticated user could possibly

    use this issue to perform arbitrary password resets. This issue was only addressed in

    Ubuntu 16.04 LTS. (CVE-2017-8114)

    It was discovered that Roundcube Webmail did not properly set file permissions within

    the Enigma plugin. An attacker could possibly use this issue to exfiltrate GPG private

    keys via network connectivity. (CVE-2018-1000071)

    It was discovered that Roundcube Webmail did not properly handle GnuPG MDC

    integrity-protection warnings. An attacker could possibly use this issue to obtain

    sensitive information from encrypted communications. (CVE-2018-19205)

    It was discovered that Roundcube Webmail did not properly sanitize <svg> and <style> tags within HTML     attachments. An attacker could possibly use this issue to cause a

    cross-site scripting attack. (CVE-2018-19206)

    It was discovered that Roundcube Webmail did not properly handle partially encrypted multipart messages.
    An attacker could possibly use this issue to cause

    leaking of the plaintext of encrypted messages via an email reply. (CVE-2019-10740)

    It was discovered that Roundcube Webmail did not properly sanitize a certain parameter

    within the archive plugin. An attacker could possibly use this issue to perform an

    IMAP injection attack. This issue was only addressed in Ubuntu 16.04 LTS. (CVE-2018-9846)

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.

There are packages installed that are affected by a vulnerability referenced in the following CVE:

  - steps/mail/func.inc in Roundcube before 1.3.8 has XSS via crafted use of <svg><style>, as demonstrated by
    an onload attribute in a BODY element, within an HTML attachment. (CVE-2018-19206)

Aidan Marlin discovered that roundcube, a skinnable AJAX based webmail solution for IMAP servers, is prone to a cross-site scripting vulnerability in handling invalid style tag content.

ID	Name	Product	Family	Severity
304432	Ubuntu 16.04 LTS / 18.04 LTS : Roundcube Webmail vulnerabilities (USN-8132-1)	Nessus	Ubuntu Local Security Checks	high
406940	Alpine: roundcubemail: security update to 1.3.8-r0	Tenable Cloud Security	Alpine Linux Local Security Checks	medium
406940	Alpine: roundcubemail: security update to 1.3.8-r0	Tenable Self-Hosted Container Security	Alpine Linux Local Security Checks	medium
400661	Alpine: roundcubemail: security update to 1.3.6-r2 (deprecated)	Tenable Cloud Security	Alpine Linux Local Security Checks	medium
400661	Alpine: roundcubemail: security update to 1.3.6-r2 (deprecated)	Tenable Self-Hosted Container Security	Alpine Linux Local Security Checks	medium
119125	Debian DSA-4344-1 : roundcube - security update	Nessus	Debian Local Security Checks	medium

Detections

Analytics

CVE-2018-19206

medium

Tenable Plugins

high

medium

medium

medium

medium

medium