Red Hat update for qpid-proton

1) Improper Certificate Validation

EUVDB-ID: #VU21142

Risk: Low

CVSSv3.1: 3.7 [CVSS:3.1/AV:A/AC:H/PR:N/UI:N/S:U/C:L/I:L/A:N/E:U/RL:O/RC:C]

CVE-ID: CVE-2019-0223

CWE-ID: CWE-295 - Improper Certificate Validation

Exploit availability: No

Description

The vulnerability allows a remote attacker to perform man-in-the-middle attack.

The vulnerability exists due to Apache Qpid Proton (C library and its language bindings) allows anonymous TLS connections to with the peer, even when configured to verify the peer certificate. A remote attacker with ability to intercept and decrypt TLS traffic and perform MitM attack.

Mitigation

Install updates from vendor's website.

Vulnerable software versions

Red Hat Enterprise Linux EUS Compute Node: 6.7 - 7.5

Red Hat Virtualization for IBM Power LE: 4

Red Hat Enterprise Linux for Scientific Computing: 6 - 7

Red Hat Enterprise Linux for IBM z Systems: 6 - 7

Red Hat Enterprise Linux Desktop: 6 - 7

Red Hat Enterprise Linux Workstation: 6 - 7

Red Hat Virtualization: 4

Red Hat Enterprise Linux Server: 6.0 - 7

External links

http://access.redhat.com/errata/RHSA-2019:2782

Q & A

Can this vulnerability be exploited remotely?

Yes. This vulnerability can be exploited by a remote non-authenticated attacker via the local network (LAN).

Is there known malware, which exploits this vulnerability?

No. We are not aware of malware exploiting this vulnerability.