Multiple vulnerabilities in PaperCut MF/NG



Published: 2023-03-27
Risk High
Patch available YES
Number of vulnerabilities 2
CVE-ID N/A
CWE-ID CWE-284
CWE-287
Exploitation vector Network
Public exploit N/A
Vulnerable software
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PaperCut MF
Other software / Other software solutions

PaperCut NG
Other software / Other software solutions

Vendor PaperCut Software

Security Bulletin

This security bulletin contains information about 2 vulnerabilities.

1) Improper access control

EUVDB-ID: #VU74037

Risk: High

CVSSv3.1: 8.5 [CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H/E:U/RL:O/RC:C]

CVE-ID: N/A

CWE-ID: CWE-284 - Improper Access Control

Exploit availability: No

Description

The vulnerability allows a remote attacker to gain unauthorized access to otherwise restricted functionality.

The vulnerability exists due to improper access restrictions within the SetupCompleted class. A remote attacker can bypass implemented security restrictions and execute arbitrary code on the target system.

Mitigation

Install updates from vendor's website.

Vulnerable software versions

PaperCut MF: 8.0

PaperCut NG: 8.0

External links

http://www.zerodayinitiative.com/advisories/ZDI-23-233/
http://www.papercut.com/kb/Main/PO-1216-and-PO-1219#product-status-and-next-steps


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) Improper Authentication

EUVDB-ID: #VU74038

Risk: High

CVSSv3.1: 7.1 [CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:L/A:N/E:U/RL:O/RC:C]

CVE-ID: N/A

CWE-ID: CWE-287 - Improper Authentication

Exploit availability: No

Description

The vulnerability allows a remote attacker to bypass authentication process.

The vulnerability exists due to an error in when processing authentication requests within the SecurityRequestFilter class. A remote attacker can bypass authentication process.

Mitigation

Install updates from vendor's website.

Vulnerable software versions

PaperCut MF: 15.0

PaperCut NG: 15.0

External links

http://www.zerodayinitiative.com/advisories/ZDI-23-232/
http://www.papercut.com/kb/Main/PO-1216-and-PO-1219#faqs


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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