CVE-2018-21018

Description

Mastodon before 2.6.3 mishandles timeouts of incompletely established sessions.

Category

9.8
CVSS
Severity: Critical
CVSS 3.1 •
CVSS 2.0 •
EPSS 1.64% Top 20%
Third-Party Advisory github.com Third-Party Advisory github.com Third-Party Advisory github.com Third-Party Advisory github.com
Affected: n/a n/a
Published at:
Updated at:

References

Link Tags
https://github.com/tootsuite/mastodon/releases/tag/v2.6.2 third party advisory release notes
https://github.com/tootsuite/mastodon/releases/tag/v2.6.3 third party advisory release notes
https://github.com/tootsuite/mastodon/pull/9329 third party advisory patch
https://github.com/tootsuite/mastodon/pull/9381 third party advisory patch

Frequently Asked Questions

What is the severity of CVE-2018-21018?
CVE-2018-21018 has been scored as a critical severity vulnerability.
How to fix CVE-2018-21018?
To fix CVE-2018-21018, make sure you are using an up-to-date version of the affected component(s) by checking the vendor release notes. As for now, there are no other specific guidelines available.
Is CVE-2018-21018 being actively exploited in the wild?
It is possible that CVE-2018-21018 is being exploited or will be exploited in a near future based on public information. According to its EPSS score, there is a ~2% probability that this vulnerability will be exploited by malicious actors in the next 30 days.
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