Presence of non-blacklisted URL bypasses all other filters
CVE-2021-41250

4.3MEDIUM

Key Information:

Vendor

Python-discord

Status
Bot
Vendor
CVE Published:
5 November 2021

What is CVE-2021-41250?

Python discord bot is the community bot for the Python Discord community. In affected versions when a non-blacklisted URL and an otherwise triggering filter token is included in the same message the token filter does not trigger. This means that by including any non-blacklisted URL moderation filters can be bypassed. This issue has been resolved in commit 67390298852513d13e0213870e50fb3cff1424e0

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Deploy the Patch

Affected Version(s)

bot < 67390298852513d13e0213870e50fb3cff1424e0

References

https://github.com/python-discord/bot/security/advisories...
x_refsource_CONFIRM
https://github.com/python-discord/bot/commit/673902988525...
x_refsource_MISC

CVSS V3.1

Score:
4.3
Severity:
MEDIUM
Confidentiality:
None
Integrity:
Low
Availability:
None
Attack Vector:
Network
Attack Complexity:
Low
Privileges Required:
Low
User Interaction:
None
Scope:
Unchanged

Timeline

  • Vulnerability published

  • Vulnerability Reserved

JSON
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