CVE-2022-31151 is a vulnerability in nodejs Undici
Published on July 21, 2022
Uncleared cookies on cross-host/cross-origin redirect in undici
Authorization headers are cleared on cross-origin redirect. However, cookie headers which are sensitive headers and are official headers found in the spec, remain uncleared. There are active users using cookie headers in undici. This may lead to accidental leakage of cookie to a 3rd-party site or a malicious attacker who can control the redirection target (ie. an open redirector) to leak the cookie to the 3rd party site. This was patched in v5.7.1. By default, this vulnerability is not exploitable. Do not enable redirections, i.e. `maxRedirections: 0` (the default).
Vulnerability Analysis
CVE-2022-31151 can be exploited with network access, and does not require authorization privileges or user interaction. This vulnerability is consided to have a high level of attack complexity. Public availability of a proof of concept (POC) exploit exists for CVE-2022-31151. The potential impact of an exploit of this vulnerability is considered to have no impact on confidentiality, with no impact on integrity, and no impact on availability.
Weakness Type
What is an Open Redirect Vulnerability?
A web application accepts a user-controlled input that specifies a link to an external site, and uses that link in a Redirect. This simplifies phishing attacks. An http parameter may contain a URL value and could cause the web application to redirect the request to the specified URL. By modifying the URL value to a malicious site, an attacker may successfully launch a phishing scam and steal user credentials. Because the server name in the modified link is identical to the original site, phishing attempts have a more trustworthy appearance.
CVE-2022-31151 has been classified to as an Open Redirect vulnerability or weakness.
Products Associated with CVE-2022-31151
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Affected Versions
nodejs undici Version < 5.7.1 is affected by CVE-2022-31151Vulnerable Packages
The following package name and versions may be associated with CVE-2022-31151
| Package Manager | Vulnerable Package | Versions | Fixed In |
|---|---|---|---|
| npm | undici | < 5.8.0 | 5.8.0 |
Exploit Probability
EPSS (Exploit Prediction Scoring System) scores estimate the probability that a vulnerability will be exploited in the wild within the next 30 days. The percentile shows you how this score compares to all other vulnerabilities.