Multiple vulnerabilities in PaperCut NG/MF
| Risk | Medium |
| Patch available | YES |
| Number of vulnerabilities | 3 |
| CVE-ID | CVE-2023-2533 CVE-2023-31046 CVE-2023-39469 |
| CWE-ID | CWE-352 CWE-22 CWE-94 |
| Exploitation vector | Network |
| Public exploit | Public exploit code for vulnerability #1 is available. |
| Vulnerable software Subscribe |
PaperCut NG Other software / Other software solutions PaperCut MF Other software / Other software solutions |
| Vendor | PaperCut Software |
Security Bulletin
This security bulletin contains information about 3 vulnerabilities.
1) Cross-site request forgery
EUVDB-ID: #VU80181
Risk: Medium
CVSSv3.1: 7.2 [CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:C/C:H/I:H/A:N/E:P/RL:O/RC:C]
CVE-ID: CVE-2023-2533
CWE-ID:
CWE-352 - Cross-Site Request Forgery (CSRF)
Exploit availability: Yes
DescriptionThe vulnerability allows a remote attacker to perform cross-site request forgery attacks.
The vulnerability exists due to insufficient validation of the HTTP request origin. A remote attacker can trick the application administrator to visit a specially crafted web page and perform arbitrary actions on behalf of the victim on the vulnerable website, such as alter security settings or execute arbitrary code.
MitigationInstall update from vendor's website.
Vulnerable software versionsPaperCut NG: before 22.1.1
PaperCut MF: before 22.1.1
External linkshttp://fluidattacks.com/advisories/arcangel/
http://www.papercut.com/kb/Main/SecurityBulletinJune2023
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.
2) Path traversal
EUVDB-ID: #VU80182
Risk: Medium
CVSSv3.1: 6.5 [CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N/E:U/RL:O/RC:C]
CVE-ID: CVE-2023-31046
CWE-ID:
CWE-22 - Improper Limitation of a Pathname to a Restricted Directory ('Path Traversal')
Exploit availability: No
DescriptionThe vulnerability allows a remote attacker to perform directory traversal attacks.
The vulnerability exists due to input validation error when processing directory traversal sequences within the Application Server and Site Server. A remote non-authenticated attacker can send a specially crafted HTTP request and read arbitrary files on the system.
MitigationInstall update from vendor's website.
Vulnerable software versionsPaperCut NG: 21.2.0 - 22.1.0
PaperCut MF: before 22.1.1
External linkshttp://www.papercut.com/kb/Main/SecurityBulletinJune2023/
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.
3) Code Injection
EUVDB-ID: #VU80183
Risk: Low
CVSSv3.1: 5.7 [CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:N/E:U/RL:O/RC:C]
CVE-ID: CVE-2023-39469
CWE-ID:
CWE-94 - Improper Control of Generation of Code ('Code Injection')
Exploit availability: No
DescriptionThe vulnerability allows a remote user to execute arbitrary code on the target system.
The vulnerability exists due to improper input validation within the External User Lookup functionality. A remote privileged user can send a specially crafted request and execute arbitrary Java code on the target system.
Install updates from vendor's website.
Vulnerable software versionsPaperCut NG: before 22.1.1
PaperCut MF: before 22.1.1
External linkshttp://www.papercut.com/kb/Main/SecurityBulletinJune2023/
http://www.zerodayinitiative.com/advisories/ZDI-23-1285/
Q & A
Can this vulnerability be exploited remotely?
Yes. This vulnerability can be exploited by a remote authenticated privileged user via the Internet.
Is there known malware, which exploits this vulnerability?
No. We are not aware of malware exploiting this vulnerability.
