Multiple vulnerabilities in Puppet Labs products



Risk Medium
Patch available YES
Number of vulnerabilities 2
CVE-ID CVE-2021-27023
CVE-2021-27025
CWE-ID CWE-523
CWE-399
Exploitation vector Network
Public exploit N/A
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

Security Bulletin

This security bulletin contains information about 2 vulnerabilities.

1) Unprotected Transport of Credentials

EUVDB-ID: #VU62794

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 - Unprotected Transport of Credentials

Exploit availability: No

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 - 7.4.1

Puppet Enterprise: 2019.0.0 - 2021.3.0

CPE2.3 External links

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


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.

2) Resource management error

EUVDB-ID: #VU62793

Risk: Low

CVSSv4.0: 1.7 [CVSS:4.0/AV:N/AC:L/AT:P/PR:N/UI:N/VC:N/VI:N/VA:L/SC:N/SI:N/SA:N/E:U/U:Clear]

CVE-ID: CVE-2021-27025

CWE-ID: CWE-399 - Resource Management Errors

Exploit availability: No

Description

The vulnerability allows a remote attacker to perform a denial of service (DoS) attack.

The vulnerability exists due to the application silently ignore Augeas settings prior to the first pluginsync. A remote attacker can pass specially crafted data to the application and perform a denial of service (DoS) attack.

Mitigation

Install updates from vendor's website.

Vulnerable software versions

Puppet Agent:

Puppet Enterprise: 2019.0.0 - 2021.3.0

CPE2.3 External links

https://puppet.com/security/cve/cve-2021-27025
https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/62SELE7EKVKZL4GABFMVYMIIUZ7FPEF7/


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.



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