VDB
CVE-2021-34550
CVE-2021-34550
PUBLISHED
CVSS 7.5 HIGH
An issue was discovered in Tor before 0.4.6.5, aka TROVE-2021-006. The v3 onion service descriptor parsing allows out-of-bounds memory access, and a client crash, via a crafted onion service descriptor
EPSS 1.56% · 75.1th percentile
Risk Scores
CVSS 3.1
7.5
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
EPSS Score
1.56%
75.1th percentile
Affected Products
| Vendor | Product | Versions |
|---|---|---|
| Ubuntu:Pro:20.04:LTS | tor | 0, 0.4.1.5-1, 0.4.1.5-1build1 |
| Ubuntu:Pro:18.04:LTS | tor | 0.3.0.10-1, 0.3.2.9-1, 0.3.2.10-1 |
Timeline
- Jun 25, 2021 CVE Published
- Jun 30, 2021 EPSS Score
- Aug 30, 2021 EPSS Score
- Dec 29, 2021 EPSS Score
- Jan 6, 2022 EPSS Score
- Feb 4, 2022 EPSS Score
- Feb 28, 2022 EPSS Score
- Apr 30, 2022 EPSS Score
- May 24, 2022 CVE Updated
- Jun 30, 2022 EPSS Score
- Aug 30, 2022 EPSS Score
- Oct 30, 2022 EPSS Score
References
- https://blog.torproject.org/node/2041 third-party-advisory
- https://gitlab.torproject.org/tpo/core/tor/-/commit/f57b5c48e0aa01acd84a194fe4657a0d1cee04cf third-party-advisory
- https://www.cve.org/CVERecord?id=CVE-2021-34550 third-party-advisory
- https://ubuntu.com/security/CVE-2021-34550 advisory
- https://ubuntu.com/security/notices/USN-5036-1 advisory