SB2024062636 - Gentoo update for rsync
Published: June 26, 2024
Breakdown by Severity
- Low
- Medium
- High
- Critical
Description
This security bulletin contains information about 3 secuirty vulnerabilities.
1) Buffer overflow (CVE-ID: CVE-2018-25032)
The vulnerability allows a remote attacker to perform a denial of service (DoS) attack.
The vulnerability exists due to insufficient validation of user-supplied input when compressing data. A remote attacker can pass specially crafted input to the application, trigger memory corruption and perform a denial of service (DoS) attack.
2) Improper validation of certificate with host mismatch (CVE-ID: CVE-2020-14387)
The vulnerability allows a remote attacker to perform MitM attack.
The vulnerability exists in Samba rsync due to the application does not verify the hostname in the server certificate in openssl mode. A remote attacker can supply any valid certificate for another hostname and intercept the traffic.
3) Path traversal (CVE-ID: CVE-2022-29154)
The vulnerability allows a remote server to perform directory traversal attacks.
The vulnerability exists due to input validation error within the rsync client when processing file names. A remote malicious server overwrite arbitrary files in the rsync client target directory and subdirectories on the connected peer.
Remediation
Install update from vendor's website.