VDB
CVE-2017-8821
CVE-2017-8821
PUBLISHED
CVSS 7.5 HIGH
In Tor before 0.2.5.16, 0.2.6 through 0.2.8 before 0.2.8.17, 0.2.9 before 0.2.9.14, 0.3.0 before 0.3.0.13, and 0.3.1 before 0.3.1.9, an attacker can cause a denial of service (application hang) via crafted PEM input that signifies a public key requiring a password, which triggers an attempt by the OpenSSL library to ask the user for the password, aka TROVE-2017-011.
EPSS 1.86% · 77.3th percentile
Risk Scores
CVSS 3.0
7.5
CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
EPSS Score
1.86%
77.3th percentile
Affected Products
| Vendor | Product | Versions |
|---|---|---|
| Ubuntu:16.04:LTS | tor | 0, 0.2.6.10-1ubuntu2, 0.2.7.6-1ubuntu1 |
| Ubuntu:14.04:LTS | tor | 0, 0.2.3.25-1, 0.2.4.20-1 |
Timeline
- Dec 2, 2017 CVE Published
- Apr 14, 2021 EPSS Score
- Jun 23, 2021 EPSS Score
- Aug 24, 2021 EPSS Score
- Dec 28, 2021 EPSS Score
- Feb 28, 2022 EPSS Score
- May 2, 2022 EPSS Score
- Jul 4, 2022 EPSS Score
- Sep 6, 2022 EPSS Score
- Nov 7, 2022 EPSS Score
- Mar 7, 2023 EPSS Score
- Mar 13, 2023 EPSS Score
References
- https://ubuntu.com/security/CVE-2017-8821 third-party-advisory
- https://bugs.torproject.org/24246 third-party-advisory
- https://blog.torproject.org/new-stable-tor-releases-security-fixes-0319-03013-02914-02817-02516 third-party-advisory
- https://www.cve.org/CVERecord?id=CVE-2017-8821 third-party-advisory