SB2019011419 - Fedora 29 update for openssh
Published: January 14, 2019 Updated: April 24, 2025
Security Bulletin ID
SB2019011419
Severity
Low
Patch available
YES
Number of vulnerabilities
1
Exploitation vector
Remote access
Highest impact
Data manipulation
Breakdown by Severity
- Low
- Medium
- High
- Critical
Description
This security bulletin contains information about 1 security vulnerability.
1) Security restrictions bypass (CVE-ID: CVE-2018-20685)
The vulnerability allows a remote attacker to bypass security restrictions on the target system.
The vulnerability exists due to improper validation of filenames by the scp.c source code file in the SCP client . A remote unauthenticated attacker can trick the victim into accessing a file with the filename of . or an empty filename from an attacker-controlled Secure Shell (SSH) server to bypass access restrictions on the system, which could be used to conduct further attacks.
Remediation
Install update from vendor's website.