CVE-2020-10593

Description

Tor before 0.3.5.10, 0.4.x before 0.4.1.9, and 0.4.2.x before 0.4.2.7 allows remote attackers to cause a Denial of Service (memory leak), aka TROVE-2020-004. This occurs in circpad_setup_machine_on_circ because a circuit-padding machine can be negotiated twice on the same circuit.

Category

7.5
CVSS
Severity: High
CVSS 3.1 •
CVSS 2.0 •
EPSS 1.21% Top 25%
Vendor Advisory gentoo.org Vendor Advisory opensuse.org Vendor Advisory opensuse.org
Affected: n/a n/a
Published at:
Updated at:

References

Link Tags
https://trac.torproject.org/projects/tor/ticket/33619 third party advisory issue tracking
https://security.gentoo.org/glsa/202003-50 third party advisory vendor advisory
http://lists.opensuse.org/opensuse-security-announce/2020-03/msg00045.html vendor advisory mailing list third party advisory
http://lists.opensuse.org/opensuse-security-announce/2020-03/msg00052.html vendor advisory mailing list third party advisory

Frequently Asked Questions

What is the severity of CVE-2020-10593?
CVE-2020-10593 has been scored as a high severity vulnerability.
How to fix CVE-2020-10593?
To fix CVE-2020-10593, 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-2020-10593 being actively exploited in the wild?
It is possible that CVE-2020-10593 is being exploited or will be exploited in a near future based on public information. According to its EPSS score, there is a ~1% probability that this vulnerability will be exploited by malicious actors in the next 30 days.
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