SB2019103065 - Fedora EPEL 7 update for rssh

Description

This security bulletin contains information about 3 secuirty vulnerabilities.

1) OS Command Injection (CVE-ID: CVE-2019-3463)

The vulnerability allows a remote attacker to execute arbitrary shell commands on the target system.

The vulnerability exists due to improper validation in the rsync support. A remote unauthenticated attacker can bypass the rsync support and execute arbitrary OS commands on the target system and perform only scp, sftp, cvs, svnserve (Subversion), rdist and/or rsync operations.

Successful exploitation of this vulnerability may result in complete compromise of vulnerable system.

2) OS Command Injection (CVE-ID: CVE-2019-3464)

The vulnerability allows a remote attacker to execute arbitrary shell commands on the target system.

The vulnerability exists due to improper validation in the rsync support. A remote unauthenticated attacker can bypass the rsync support and execute arbitrary OS commands on the target system and perform only scp, sftp, cvs, svnserve (Subversion), rdist and/or rsync operations.

Successful exploitation of this vulnerability may result in complete compromise of vulnerable system.

3) OS Command Injection (CVE-ID: CVE-2019-1000018)

The vulnerability allows a remote attacker to execute arbitrary shell commands on the target system.

The vulnerability exists due to improper validation in the scp support. A remote unauthenticated attacker can perform only scp, sftp, cvs, svnserve (Subversion), rdist and/or rsync operations and execute arbitrary OS commands on the target system.

Successful exploitation of this vulnerability may result in complete compromise of vulnerable system.

Remediation

Install update from vendor's website.

References

• https://bodhi.fedoraproject.org/updates/FEDORA-EPEL-2019-458a052bdb