SB2023120438 - Ubuntu update for request-tracker4
Published: December 4, 2023
Breakdown by Severity
- Low
- Medium
- High
- Critical
Description
This security bulletin contains information about 4 secuirty vulnerabilities.
1) Observable discrepancy (CVE-ID: CVE-2021-38562)
The vulnerability allows a remote attacker to gain access to sensitive information.
The vulnerability exists due to observable discrepancy in the lib/RT/REST2/Middleware/Auth.pm. A remote attacker can enumerate application users.
2) Stored cross-site scripting (CVE-ID: CVE-2022-25802)
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 when processing attachments with fraudulent content types. A remote attacker can permanently 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.
3) Stored cross-site scripting (CVE-ID: CVE-2023-41259)
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 when processing email headers in
incoming email and the mail-gateway REST interface. A remote attacker can send a specially crafted email message 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.
4) Information disclosure (CVE-ID: CVE-2023-41260)
The vulnerability allows a remote attacker to gain access to potentially sensitive information.
The vulnerability exists due to excessive data output in the response messages returned
from requests sent via the mail-gateway REST interface. A remote attacker can gain unauthorized access to sensitive information on the system.
Remediation
Install update from vendor's website.