CVE-2011-1492: Input Validation
steps/utils/modcss.inc in Roundcube Webmail before 0.5.1 does not properly verify that a request is an expected request for an external Cascading Style Sheets (CSS) stylesheet, which allows remote authenticated users to trigger arbitrary outbound TCP connections from the server, and possibly obtain sensitive information, via a crafted request.
Affected Software
Remediation
Patch Available
Patch Available
Patch Available
Event History
Frequently Asked Questions
What is the severity of CVE-2011-1492?
CVE-2011-1492 has been classified as a moderate severity vulnerability.
How do I fix CVE-2011-1492?
To fix CVE-2011-1492, you should upgrade Roundcube Webmail to version 0.5.1 or later.
What types of software are affected by CVE-2011-1492?
CVE-2011-1492 affects various versions of Roundcube Webmail including versions from 0.1-rc1 to 0.5.
What can attackers do with CVE-2011-1492?
Attackers exploiting CVE-2011-1492 can trigger arbitrary outbound TCP connections and potentially gather sensitive information.
Who is at risk from CVE-2011-1492?
Remote authenticated users of vulnerable versions of Roundcube Webmail are at risk from CVE-2011-1492.