SB2021031634 - Fedora 34 update for bluedevil, breeze-gtk, grub2-breeze-theme, kactivitymanagerd, kde-cli-tools, kde-gtk-config, kdecoration, kdeplasma-addons, kgamma, khotkeys, kinfocenter, kmenuedit, kscreen, kscreenlocker, ksshaskpass, ksysguard, kwayland-integration
Published: March 16, 2021
Security Bulletin ID
SB2021031634
Severity
Low
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) Input validation error (CVE-ID: CVE-2021-28117)
The vulnerability allows a remote attacker to bypass security restrictions.
The vulnerability exists due to missing URI scheme validation. A remote attacker can pass specially crafted link to an SMB or NFS share and potentially bypass implemented security restrictions by tricking the Discover to follow such links.
Remediation
Install update from vendor's website.