CVE-2021-21354: Open redirect in pollbot
First published: Mon Mar 08 2021(Updated: )
Pollbot is open source software which "frees its human masters from the toilsome task of polling for the state of things during the Firefox release process." In Pollbot before version 1.4.4 there is an open redirection vulnerability in the path of "https://pollbot.services.mozilla.com/". An attacker can redirect anyone to malicious sites. To Reproduce type in this URL: "https://pollbot.services.mozilla.com//evil.com/". Affected versions will redirect to that website when you inject a payload like "//evil.com/". This is fixed in version 1.4.4.
Credit: security-advisories@github.com
| Affected Software | Affected Version | How to fix |
|---|---|---|
| Mozilla Pollbot | <1.4.4 |
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Reference Links
- https://bugzilla.mozilla.org/show_bug.cgi?id=1694684
- https://cheatsheetseries.owasp.org/cheatsheets/Unvalidated_Redirects_and_Forwards_Cheat_Sheet.html
- https://github.com/mozilla/PollBot/commit/6db74a4fcbff258c7cdf51a6ff0724fc10c485e5
- https://github.com/mozilla/PollBot/pull/333
- https://github.com/mozilla/PollBot/releases/tag/v1.4.4
- https://github.com/mozilla/PollBot/security/advisories/GHSA-jhgx-wmq8-jc24
Frequently Asked Questions
What is the severity of CVE-2021-21354?
CVE-2021-21354 is classified as a medium severity vulnerability due to its potential for open redirection attacks.
How do I fix CVE-2021-21354?
To fix CVE-2021-21354, upgrade to Pollbot version 1.4.4 or later.
What type of vulnerability is CVE-2021-21354?
CVE-2021-21354 is an open redirection vulnerability found in Pollbot software.
Who is affected by CVE-2021-21354?
Users of Pollbot versions prior to 1.4.4 are affected by CVE-2021-21354.
What can happen if CVE-2021-21354 is exploited?
If exploited, CVE-2021-21354 can lead to phishing attacks and unauthorized redirection of users.
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