CVE-2021-21354 Information

Description

Pollbot is open source software which rees 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.

CVSS Vector

CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N

Reference

https://github.com/mozilla/PollBot/commit/6db74a4fcbff258c7cdf51a6ff0724fc10c485e5 https://github.com/mozilla/PollBot/pull/333 https://cheatsheetseries.owasp.org/cheatsheets/Unvalidated_Redirects_and_Forwards_Cheat_Sheet.html https://github.com/mozilla/PollBot/releases/tag/v1.4.4 https://bugzilla.mozilla.org/show_bug.cgi?id=1694684 https://github.com/mozilla/PollBot/security/advisories/GHSA-jhgx-wmq8-jc24

Attack Complexity

LOW

Privileges Required

NONE

User Interaction Required

NONE

Scope

REQUIRED

Confidentiality Impact

CHANGED

Integrity Impact

LOW

Availability Impact

LOW

Base Score

NONE

Base Severity

6.1