CVE-2024-42008: webmail XSS — Fix

Description

A Cross-Site Scripting vulnerability in rcmail_action_mail_get->run() in Roundcube through 1.5.7 and 1.6.x through 1.6.7 allows a remote attacker to steal and send emails of a victim via a malicious e-mail attachment served with a dangerous Content-Type header.

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CVSS v3.1 Score

9.3

CRITICAL

CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:H/I:H/A:N

Weakness Type (CWE)

CWE-79 Cross-site Scripting (XSS)

Affected Products

Vendor	Product	Versions
roundcube	webmail	< 1.5.8
roundcube	webmail	1.6.0 — 1.6.8

References

Advisories & Patches

https://roundcube.net/news/2024/08/04/security-updates-1.6.8-and-1.5.8

Other References

https://github.com/roundcube/roundcubemail/releases https://github.com/roundcube/roundcubemail/releases/tag/1.5.8 https://github.com/roundcube/roundcubemail/releases/tag/1.6.8 https://sonarsource.com/blog/government-emails-at-risk-critical-cross-site-scripting-vulnerability-in-roundcube-webmail/

Frequently Asked Questions

What is CVE-2024-42008? +

A Cross-Site Scripting vulnerability in rcmail_action_mail_get->run() in Roundcube through 1.5.7 and 1.6.x through 1.6.7 allows a remote attacker to steal and send emails of a victim via a malicious e-mail attachment served with a dangerous Content-Type header. It has a CVSS v3.1 base score of 9.3 (CRITICAL).

How severe is CVE-2024-42008? +

CVE-2024-42008 has a CVSS v3.1 score of 9.3 out of 10, rated CRITICAL. This is a critical vulnerability that should be patched immediately.

What products are affected by CVE-2024-42008? +

CVE-2024-42008 affects products from roundcube, specifically: webmail. Check the affected products table above for specific version ranges.

How do I check if I'm vulnerable to CVE-2024-42008? +

You can use Secably's free Website Scanner to check your website for known vulnerabilities. For infrastructure scanning, use the Port Scanner to identify exposed services that may be affected. Check the vendor advisories linked above for specific patch and version information.

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