CVE-2021-38385

HIGH

Tor <0.3.5.16, 0.4.5.10, 0.4.6.7 - Remote Assertion Failure

Title source: llm
STIX 2.1

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.

References (4)

Core 4
Core References
Third Party Advisory vendor-advisory
https://security.gentoo.org/glsa/202305-11
Release Notes, Vendor Advisory
https://blog.torproject.org
Release Notes, Vendor Advisory
https://blog.torproject.org/node/2062
Exploit, Issue Tracking, Vendor Advisory
https://bugs.torproject.org/tpo/core/tor/40078

Scores

CVSS v3 7.5
EPSS 0.0163
EPSS Percentile 73.1%
Attack Vector NETWORK
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

Details

CWE
CWE-617
Status published
Products (1)
torproject/tor < 0.3.5.16
Published Aug 30, 2021
Tracked Since Feb 18, 2026