CVE-2021-38385

Public Exploit

Description

Tor before 0.3.5.16, 0.4.5.10, and 0.4.6.7 mishandles the relationship between batch-signature verification and single-signature verification, leading to a remote assertion failure, aka TROVE-2021-007.

Category

7.5
CVSS
Severity: High
CVSS 3.1 •
CVSS 2.0 •
EPSS 0.42%
Vendor Advisory gentoo.org Vendor Advisory torproject.org Vendor Advisory torproject.org Vendor Advisory torproject.org
Affected: n/a n/a
Published at:
Updated at:

References

Link Tags
https://blog.torproject.org release notes vendor advisory
https://blog.torproject.org/node/2062 release notes vendor advisory
https://bugs.torproject.org/tpo/core/tor/40078 issue tracking exploit vendor advisory
https://security.gentoo.org/glsa/202305-11 vendor advisory

Frequently Asked Questions

What is the severity of CVE-2021-38385?
CVE-2021-38385 has been scored as a high severity vulnerability.
How to fix CVE-2021-38385?
To fix CVE-2021-38385, 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-2021-38385 being actively exploited in the wild?
It is possible that CVE-2021-38385 is being exploited or will be exploited in a near future based on public information. 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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