SB2022030112 - Multiple vulnerabilities in Cherwell Service Management (CSM)
Published: March 1, 2022
Breakdown by Severity
- Low
- Medium
- High
- Critical
Description
This security bulletin contains information about 4 vulnerabilities.
1) Open redirect (CVE-ID: CVE-2022-26158)
The vulnerability allows a remote attacker to redirect victims to arbitrary URL.
The vulnerability exists due to improper sanitization of user-supplied data in Host: header of the HTTP request. A remote attacker can create a link that leads to a trusted website, however, when clicked, redirects the victim to arbitrary domain.
Successful exploitation of this vulnerability may allow a remote attacker to perform a phishing attack and steal potentially sensitive information.
2) Cross-site scripting (CVE-ID: CVE-2022-26155)
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 in the SAMLResponse parameter. A remote attacker can trick the victim to follow a specially crafted link 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) Open redirect (CVE-ID: CVE-2022-26156)
The vulnerability allows a remote attacker to redirect victims to arbitrary URL.
The vulnerability exists due to improper sanitization of user-supplied data in the RelayState= parameter of the HTTP request body. A remote attacker can create a link that leads to a trusted website, however, when clicked, redirects the victim to arbitrary domain.
Successful exploitation of this vulnerability may allow a remote attacker to perform a phishing attack and steal potentially sensitive information.
4) Information disclosure (CVE-ID: CVE-2022-26157)
The vulnerability allows a remote attacker to gain access to potentially sensitive information.
The vulnerability exists due to the ASP.NET_Sessionid cookie is not protected by the Secure flag. A remote attacker can sniff the network traffic and gain unauthorized access to sensitive information on the system.
Remediation
Install update from vendor's website.