Red Hat update for Paramiko

1) Authentication bypass

EUVDB-ID: #VU11130

Risk: Low

CVSSv4.0: 5.5 [CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:L/VI:L/VA:L/SC:N/SI:N/SA:N/E:P/U:Clear]

CVE-ID: CVE-2018-7750

CWE-ID: CWE-592 - Authentication Bypass Issues

Exploit availability: Yes

Description

The vulnerability allows a remote unauthenticated attacker to bypass authentication.

The weakness exists is due to improper security restrictions. A remote attacker can use a customized SSH client, bypass authentication and gain unauthorized access to resources on the target systemю

Mitigation

Install update from vendor's website.

Vulnerable software versions

Red Hat Enterprise Linux for x86_64: 7.0 - 9

Red Hat Enterprise Linux Server: 7

CPE2.3

• cpe:2.3:o:red_hat:red_hat_enterprise_linux:7.0:*:*:*:*:*:*:*
• cpe:2.3:o:red_hat:red_hat_enterprise_linux:9:*:*:*:*:*:*:*
• cpe:2.3:o:red_hat:red_hat_enterprise_linux_server:7:*:*:*:*:red_hat_enterprise_linux:*:*

External links

https://access.redhat.com/errata/RHSA-2018:0591

Q & A

Can this vulnerability be exploited remotely?

Yes. This vulnerability can be exploited by a remote non-authenticated attacker via the Internet.

Is there known malware, which exploits this vulnerability?

No. We are not aware of malware exploiting this vulnerability. However, proof of concept for this vulnerability is available.