SB2023090513 - Multiple vulnerabilities in CGIs of PMailServer and PMailServer2
Published: September 5, 2023
Breakdown by Severity
- Low
- Medium
- High
- Critical
Description
This security bulletin contains information about 4 secuirty vulnerabilities.
1) Stored cross-site scripting (CVE-ID: CVE-2023-39223)
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
2) Arbitrary file upload (CVE-ID: CVE-2023-39933)
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
3) Path traversal (CVE-ID: CVE-2023-40160)
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
4) Path traversal (CVE-ID: CVE-2023-40747)
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
Remediation
Install update from vendor's website.