CVE-2023-41080
Public on
Last Modified:
Description
A flaw was found in Apache Tomcat if the default web application is configured with FormAuthenticator. This issue allows a specially crafted URL to trigger a redirect to an arbitrary URL.
Statement
The pki-servlet-engine package has been obsoleted by the Tomcat package. Therefore, this issue will be fixed in the Tomcat package rather than the pki-serlvet-engine package. Please follow the RHEL Tomcat trackers instead for the updates.
Red Hat Satellite is not directly impacted by this issue, since it does not embed the dependency on their offer deliveries. However, end users of Red Hat Satellite are using Tomcat via RHEL channels, which provides Tomcat dependency needed by candlepin to function in Satellite.
Additional information
- Bugzilla 2235370: tomcat: Open Redirect vulnerability in FORM authentication
- CWE-601: URL Redirection to Untrusted Site ('Open Redirect')
- FAQ: Frequently asked questions about CVE-2023-41080
Common Vulnerability Scoring System (CVSS) Score Details
Important note
CVSS scores for open source components depend on vendor-specific factors (e.g. version or build chain). Therefore, Red Hat's score and impact rating can be different from NVD and other vendors. Red Hat remains the authoritative CVE Naming Authority (CNA) source for its products and services (see Red Hat classifications).
| Red Hat | NVD | |
|---|---|---|
CVSS v3 Base Score | 6.1 | 6.1 |
Attack Vector | Network | Network |
Attack Complexity | Low | Low |
Privileges Required | None | None |
User Interaction | Required | Required |
Scope | Changed | Changed |
Confidentiality Impact | Low | Low |
Integrity Impact | Low | Low |
Availability Impact | None | None |
CVSS v3 Vector
Red Hat: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N
NVD: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N
Understanding the Weakness (CWE)
Access Control
Technical Impact: Bypass Protection Mechanism; Gain Privileges or Assume Identity
The user may be redirected to an untrusted page that contains malware which may then compromise the user's machine. This will expose the user to extensive risk and the user's interaction with the web server may also be compromised if the malware conducts keylogging or other attacks that steal credentials, personally identifiable information (PII), or other important data.
Access Control,Confidentiality,Other
Technical Impact: Bypass Protection Mechanism; Gain Privileges or Assume Identity; Other
By modifying the URL value to a malicious site, an attacker may successfully launch a phishing scam. The user may be subjected to phishing attacks by being redirected to an untrusted page. The phishing attack may point to an attacker controlled web page that appears to be a trusted web site. The phishers may then steal the user's credentials and then use these credentials to access the legitimate web site. Because the server name in the modified link is identical to the original site, phishing attempts have a more trustworthy appearance.
Frequently Asked Questions
Why is Red Hat's CVSS v3 score or Impact different from other vendors?
My product is listed as "Under investigation" or "Affected", when will Red Hat release a fix for this vulnerability?
What can I do if my product is listed as "Will not fix"?
What can I do if my product is listed as "Fix deferred"?
What is a mitigation?
I have a Red Hat product but it is not in the above list, is it affected?
Why is my security scanner reporting my product as vulnerable to this vulnerability even though my product version is fixed or not affected?
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