SB2017111010 - Debian update for roundcube
Published: November 10, 2017 Updated: September 6, 2023
Security Bulletin ID
SB2017111010
Severity
High
Patch available
YES
Number of vulnerabilities
1
Exploitation vector
Remote access
Highest impact
Information disclosure
Breakdown by Severity
- Low
- Medium
- High
- Critical
Description
This security bulletin contains information about 1 security vulnerability.
1) Information disclosure (CVE-ID: CVE-2017-16651)
The vulnerability allows a remote authenticated attacker to obtain potentially sensitive information on the target system.The weakness exists due to insufficient validation of file-based attachment plugins and _task=settings&_action=upload-display&_from=timezone requests. A remote attacker can modify the login form and submit it with valid credentials (username/password) of an email account, send a specially crafted HTTP request and gain unauthorized access to arbitrary files on the host's filesystem, including configuration files of Roundcube.
Note: the vulnerability is being actively exploited.
Remediation
Install update from vendor's website.