#VU15559 Improper access control in Paramiko - CVE-2018-1000805

Vulnerability identifier: #VU15559

Vulnerability risk: High

CVSSv4.0: 8.1 [CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:U/U:Amber]

CVE-ID: CVE-2018-1000805

CWE-ID: CWE-284

Exploitation vector: Network

Exploit availability: No

Vulnerable software:
Paramiko
Client/Desktop applications / Encryption software

Vendor: Jeff Forcier

Description

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

The vulnerability exists due to improper access control in SSH server. A remote unauthenticated attacker can bypass access controls via unspecified vectors and execute arbitrary code.

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

Mitigation
Install update from vendor's website.

Vulnerable software versions

Paramiko: 1.17.6 - 2.4.1

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External links
https://github.com/paramiko/paramiko/issues/1283

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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.