SB2018120803 - OpenSUSE Linux update for messagelib
Published: December 8, 2018 Updated: December 18, 2018
Breakdown by Severity
- Low
- Medium
- High
- Critical
Description
This security bulletin contains information about 1 security vulnerability.
1) Information disclosure (CVE-ID: CVE-2018-19516)
The vulnerability allows a remote attacker to obtain potentially sensitive information.
The vulnerability exists due to messagelib by default displays emails as plain text, but gives the user an option to "Prefer HTML to plain text" in the settings and if that option is not enabled there is way to enable HTML display when an email contains HTML. A remote attacker can supply specially crafted HTML emails, trick messagelib into opening a new browser window when displaying said email as HTML and access IP address.
Remediation
Install update from vendor's website.