Vulnerability · Published Aug 30, 2021 · Assigned by mitre
CVE-2021-38385
High 7.5
In plain English
A high-severity security flaw in the tor package (Alpine). There are no confirmed reports of exploitation so far. The chance it is exploited in the next 30 days is estimated at 1.7% (higher than 77% of all known vulnerabilities). Fixed versions are available - upgrade the affected package.
Severity (CVSS NVD)7.5High
Exploit odds (30 days)1.7%top 22.9% of all CVEs
Exploited in the wildNo reportsnot in CISA KEV
Attack toolingNoneno public tooling known
Official 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.
Affected packages & fixed versions
| Ecosystem | Package | Fixed in | Advisory |
|---|---|---|---|
| Alpine:v3.20 | tor | 0.4.6.7-r0 | ALPINE-CVE-2021-38385 |
| Alpine:v3.21 | tor | 0.4.6.7-r0 | ALPINE-CVE-2021-38385 |
| Alpine:v3.22 | tor | 0.4.6.7-r0 | ALPINE-CVE-2021-38385 |
| Alpine:v3.23 | tor | 0.4.6.7-r0 | ALPINE-CVE-2021-38385 |
| Alpine:v3.24 | tor | 0.4.6.7-r0 | ALPINE-CVE-2021-38385 |
| Debian:12 | tor | 0.4.5.10-1 | DEBIAN-CVE-2021-38385 |
| Debian:13 | tor | 0.4.5.10-1 | DEBIAN-CVE-2021-38385 |
| Debian:14 | tor | 0.4.5.10-1 | DEBIAN-CVE-2021-38385 |