#VU62794 Unprotected Transport of Credentials in Puppet Labs products - CVE-2021-27023

Vulnerability identifier: #VU62794

Vulnerability risk: Medium

CVSSv4.0: 2.7 [CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:L/VI:N/VA:N/SC:N/SI:N/SA:N/E:U/U:Green]

CVE-ID: CVE-2021-27023

CWE-ID: CWE-523

Exploitation vector: Network

Exploit availability: No

Vulnerable software:
Puppet Agent
Server applications / Conferencing, Collaboration and VoIP solutions
Puppet Server
Server applications / Conferencing, Collaboration and VoIP solutions
Puppet Enterprise
Client/Desktop applications / Software for system administration

Vendor: Puppet Labs

Description

The vulnerability allows a remote attacker to gain access to sensitive information.

The vulnerability exists due to application can leak HTTP credentials when following HTTP redirects to a different host. A remote attacker can gain access to sensitive information.

Mitigation
Install updates from vendor's website.

Vulnerable software versions

Puppet Agent:

Puppet Server: 6.0.0 - 6.17.0, 7.0.0 - 7.4.1

Puppet Enterprise: 2019.0.0 - 2021.3.0

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External links
https://puppet.com/security/cve/CVE-2021-27023
https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/62SELE7EKVKZL4GABFMVYMIIUZ7FPEF7/

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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.