Headline
CVE-2022-0637: open redirect in [pollbot.services.mozilla.com]
There was an open redirection vulnerability pollbot, which was used in https://pollbot.services.mozilla.com/ and https://pollbot.stage.mozaws.net/ An attacker could have redirected anyone to malicious sites.
(From https://bugzilla.mozilla.org/show_bug.cgi?id=1753838)
Summary:
There was an open redirection vulnerability in the path of:
https://pollbot.services.mozilla.com/ and https://pollbot.stage.mozaws.net/
Description:
An attacker can redirect anyone to malicious sites.
Steps To Reproduce:
Type in this URL:
https://pollbot.services.mozilla.com/%0a/evil.com/
It redirects to that website
evil.com
evil.com was used as an example but this could be any website. Note, the /%0a/ and trailing / are required.
Supporting Material/References:
https://cheatsheetseries.owasp.org/cheatsheets/Unvalidated_Redirects_and_Forwards_Cheat_Sheet.html
Impact
Attackers can serve malicious websites that steal passwords or download ransomware to their victims machine due to a redirect and there are a heap of other attack vectors.
Related news
open redirect in pollbot (pollbot.services.mozilla.com) in versions before 1.4.6