Multiple vulnerabilities in CGIs of PMailServer and PMailServer2



Risk Medium
Patch available YES
Number of vulnerabilities 4
CVE-ID CVE-2023-39223
CVE-2023-39933
CVE-2023-40160
CVE-2023-40747
CWE-ID CWE-79
CWE-434
CWE-22
Exploitation vector Network
Public exploit N/A
Vulnerable software
 PMailServer Free edition
Server applications / Other server solutions

PMailServer Standard edition
Server applications / Other server solutions

PMailServer Pro edition
Server applications / Other server solutions

PMailServer Standard + IMAP4 edition
Server applications / Other server solutions

PMailServer Pro + IMAP4 edition
Server applications / Other server solutions

PMailServer2 Standard edition
Server applications / Other server solutions

PMailServer2 Pro edition
Server applications / Other server solutions

PMailServer2 Standard + IMAP4 edition
Server applications / Other server solutions

PMailServer2 Pro + IMAP4 edition
Server applications / Other server solutions

PMailServer2 Enterprise edition
Server applications / Other server solutions

Vendor A.K.I Software

Security Bulletin

This security bulletin contains information about 4 vulnerabilities.

1) Stored cross-site scripting

EUVDB-ID: #VU80408

Risk: Low

CVSSv4.0: 1.2 [CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:P/VC:N/VI:N/VA:N/SC:L/SI:L/SA:N/E:U/U:Clear]

CVE-ID: CVE-2023-39223

CWE-ID: CWE-79 - Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting')

Exploit availability: No

Description

The disclosed vulnerability allows a remote attacker to perform cross-site scripting (XSS) attacks.

The vulnerability exists due to insufficient sanitization of user-supplied data. A remote user can inject and execute arbitrary HTML and script code in user's browser in context of vulnerable website.

Successful exploitation of this vulnerability may allow a remote attacker to steal potentially sensitive information, change appearance of the web page, perform phishing and drive-by-download attacks.

Note: The following CGIs included with the vulnerable products are affected by the vulnerability.

  • pmc.exe 2.5.1.720 and earlier
  • pmam.exe 2.5.1.1411 and earlier
  • pmmls.exe 2.5.1.561 and earlier
  • pmum.exe (Standard edition) 2.5.1.25451 and earlier
  • pmum.exe (Pro edition) 2.5.1.25452 and earlier
  • pmum.exe (Standard + IMAP4 edition) 2.5.1.25453 and earlier
  • pmum.exe (Pro + IMAP4 edition / Enterprise edition) 2.5.1.25454 and earlier
  • pmman.exe (Standard edition) 2.5.1.12154 and earlier
  • pmman.exe (Pro edition) 2.5.1.12155 and earlier
  • pmman.exe (Standard + IMAP4 edition) 2.5.1.12156 and earlier
  • pmman.exe (Pro + IMAP4 edition) 2.5.1.12157 and earlier
  • pmman.exe (Enterprise edition) 2.5.1.12158 and earlier

Mitigation

Install updates from vendor's website.

Vulnerable software versions

PMailServer Free edition: All versions

PMailServer Standard edition: - - 1.91

PMailServer Pro edition: - - 1.91

PMailServer Standard + IMAP4 edition: - - 1.91

PMailServer Pro + IMAP4 edition: - - 1.91

PMailServer2 Standard edition: All versions

PMailServer2 Pro edition: All versions

PMailServer2 Standard + IMAP4 edition: All versions

PMailServer2 Pro + IMAP4 edition: All versions

PMailServer2 Enterprise edition: All versions

CPE2.3 External links

https://jvn.jp/en/jp/JVN92720882/index.html
https://akisoftware.com/Vulnerability202301.html


Q & A

Can this vulnerability be exploited remotely?

Yes. This vulnerability can be exploited by a remote authenticated user via the Internet.

Is there known malware, which exploits this vulnerability?

No. We are not aware of malware exploiting this vulnerability.

2) Arbitrary file upload

EUVDB-ID: #VU80409

Risk: Medium

CVSSv4.0: 6.3 [CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:U/U:Green]

CVE-ID: CVE-2023-39933

CWE-ID: CWE-434 - Unrestricted Upload of File with Dangerous Type

Exploit availability: No

Description

The vulnerability allows a remote attacker to compromise vulnerable system.

The vulnerability exists due to insufficient validation of file during file upload in Broadcast Mail CGI (pmc.exe). A remote user can upload a malicious file and execute it on the server.

Note: The following CGIs included with the vulnerable products are affected by the vulnerability.

  • pmc.exe 2.5.1.720 and earlier
  • pmam.exe 2.5.1.1411 and earlier
  • pmmls.exe 2.5.1.561 and earlier
  • pmum.exe (Standard edition) 2.5.1.25451 and earlier
  • pmum.exe (Pro edition) 2.5.1.25452 and earlier
  • pmum.exe (Standard + IMAP4 edition) 2.5.1.25453 and earlier
  • pmum.exe (Pro + IMAP4 edition / Enterprise edition) 2.5.1.25454 and earlier
  • pmman.exe (Standard edition) 2.5.1.12154 and earlier
  • pmman.exe (Pro edition) 2.5.1.12155 and earlier
  • pmman.exe (Standard + IMAP4 edition) 2.5.1.12156 and earlier
  • pmman.exe (Pro + IMAP4 edition) 2.5.1.12157 and earlier
  • pmman.exe (Enterprise edition) 2.5.1.12158 and earlier

Mitigation

Install updates from vendor's website.

Vulnerable software versions

PMailServer Standard edition: - - 1.91

PMailServer Pro edition: - - 1.91

PMailServer Standard + IMAP4 edition: - - 1.91

PMailServer Pro + IMAP4 edition: - - 1.91

PMailServer2 Standard edition: All versions

PMailServer2 Pro edition: All versions

PMailServer2 Standard + IMAP4 edition: All versions

PMailServer2 Pro + IMAP4 edition: All versions

PMailServer2 Enterprise edition: All versions

CPE2.3 External links

https://jvn.jp/en/jp/JVN92720882/index.html
https://akisoftware.com/Vulnerability202301.html


Q & A

Can this vulnerability be exploited remotely?

Yes. This vulnerability can be exploited by a remote authenticated user via the Internet.

Is there known malware, which exploits this vulnerability?

No. We are not aware of malware exploiting this vulnerability.

3) Path traversal

EUVDB-ID: #VU80410

Risk: Low

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

CVE-ID: CVE-2023-40160

CWE-ID: CWE-22 - Improper Limitation of a Pathname to a Restricted Directory ('Path Traversal')

Exploit availability: No

Description

The vulnerability allows a remote attacker to perform directory traversal attacks.

The vulnerability exists due to input validation error when processing directory traversal sequences in Mailing List Search CGI (pmmls.exe). A remote attacker can send a specially crafted HTTP request and read arbitrary files on the system.

Note: The following CGIs included with the vulnerable products are affected by the vulnerability.

  • pmc.exe 2.5.1.720 and earlier
  • pmam.exe 2.5.1.1411 and earlier
  • pmmls.exe 2.5.1.561 and earlier
  • pmum.exe (Standard edition) 2.5.1.25451 and earlier
  • pmum.exe (Pro edition) 2.5.1.25452 and earlier
  • pmum.exe (Standard + IMAP4 edition) 2.5.1.25453 and earlier
  • pmum.exe (Pro + IMAP4 edition / Enterprise edition) 2.5.1.25454 and earlier
  • pmman.exe (Standard edition) 2.5.1.12154 and earlier
  • pmman.exe (Pro edition) 2.5.1.12155 and earlier
  • pmman.exe (Standard + IMAP4 edition) 2.5.1.12156 and earlier
  • pmman.exe (Pro + IMAP4 edition) 2.5.1.12157 and earlier
  • pmman.exe (Enterprise edition) 2.5.1.12158 and earlier

Mitigation

Install updates from vendor's website.

Vulnerable software versions

PMailServer Standard edition: - - 1.91

PMailServer Pro edition: - - 1.91

PMailServer Standard + IMAP4 edition: - - 1.91

PMailServer Pro + IMAP4 edition: - - 1.91

PMailServer2 Standard edition: All versions

PMailServer2 Pro edition: All versions

PMailServer2 Standard + IMAP4 edition: All versions

PMailServer2 Pro + IMAP4 edition: All versions

PMailServer2 Enterprise edition: All versions

CPE2.3 External links

https://jvn.jp/en/jp/JVN92720882/index.html
https://akisoftware.com/Vulnerability202301.html


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.

4) Path traversal

EUVDB-ID: #VU80411

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-2023-40747

CWE-ID: CWE-22 - Improper Limitation of a Pathname to a Restricted Directory ('Path Traversal')

Exploit availability: No

Description

The vulnerability allows a remote attacker to perform directory traversal attacks.

The vulnerability exists due to input validation error when processing directory traversal sequences in Internal Simple Webserve. A remote attacker can send a specially crafted HTTP request and read arbitrary files on the system.

Note: The following CGIs included with the vulnerable products are affected by the vulnerability.

  • pmc.exe 2.5.1.720 and earlier
  • pmam.exe 2.5.1.1411 and earlier
  • pmmls.exe 2.5.1.561 and earlier
  • pmum.exe (Standard edition) 2.5.1.25451 and earlier
  • pmum.exe (Pro edition) 2.5.1.25452 and earlier
  • pmum.exe (Standard + IMAP4 edition) 2.5.1.25453 and earlier
  • pmum.exe (Pro + IMAP4 edition / Enterprise edition) 2.5.1.25454 and earlier
  • pmman.exe (Standard edition) 2.5.1.12154 and earlier
  • pmman.exe (Pro edition) 2.5.1.12155 and earlier
  • pmman.exe (Standard + IMAP4 edition) 2.5.1.12156 and earlier
  • pmman.exe (Pro + IMAP4 edition) 2.5.1.12157 and earlier
  • pmman.exe (Enterprise edition) 2.5.1.12158 and earlier

Mitigation

Install updates from vendor's website.

Vulnerable software versions

PMailServer Standard edition: - - 1.91

PMailServer Pro edition: - - 1.91

PMailServer Standard + IMAP4 edition: - - 1.91

PMailServer Pro + IMAP4 edition: - - 1.91

PMailServer2 Standard edition: All versions

PMailServer2 Pro edition: All versions

PMailServer2 Standard + IMAP4 edition: All versions

PMailServer2 Pro + IMAP4 edition: All versions

PMailServer2 Enterprise edition: All versions

CPE2.3 External links

https://jvn.jp/en/jp/JVN92720882/index.html
https://akisoftware.com/Vulnerability202301.html


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.



###SIDEBAR###