CVE-2011-4894

Description

Tor before 0.2.2.34, when configured as a bridge, uses direct DirPort access instead of a Tor TLS connection for a directory fetch, which makes it easier for remote attackers to enumerate bridges by observing DirPort connections.

Category

4.3
CVSS
Severity: Medium
CVSS 2.0 •
EPSS 0.25%
Vendor Advisory torproject.org
Affected: n/a n/a
Published at:
Updated at:

References

Link Tags
https://blog.torproject.org/blog/tor-02234-released-security-patches patch vendor advisory

Frequently Asked Questions

What is the severity of CVE-2011-4894?
CVE-2011-4894 has been scored as a medium severity vulnerability.
How to fix CVE-2011-4894?
To fix CVE-2011-4894, 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-2011-4894 being actively exploited in the wild?
As for now, there are no information to confirm that CVE-2011-4894 is being actively exploited. According to its EPSS score, there is a ~0% probability that this vulnerability will be exploited by malicious actors in the next 30 days.
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