SB2023011120 - Gentoo update for Twisted
Published: January 11, 2023
Breakdown by Severity
- Low
- Medium
- High
- Critical
Description
This security bulletin contains information about 3 secuirty vulnerabilities.
1) Origin validation error (CVE-ID: CVE-2022-21712)
The vulnerability allows a remote attacker to gain access to sensitive information.
The vulnerability exists due to origin validation error in the "twited.web.RedirectAgent" and "twisted.web.BrowserLikeRedirectAgent" functions. A remote attacker attacker can trick the victim to click on a specially crafted link and obtain cookies and authorization headers.
2) Buffer overflow (CVE-ID: CVE-2022-21716)
The vulnerability allows a remote attacker to perform a denial of service (DoS) attack.
The vulnerability exists due to a boundary error. A remote attacker can trigger memory corruption and cause a denial of service condition on the target system.
3) Cross-site scripting (CVE-ID: CVE-2022-39348)
The disclosed vulnerability allows a remote attacker to perform cross-site scripting (XSS) attacks.
The vulnerability exists due to insufficient sanitization of user-supplied datawithin "NameVirtualHost". A remote user 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.
Remediation
Install update from vendor's website.