VDB
CVE-2017-8820
CVE-2017-8820
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, remote attackers can cause a denial of service (NULL pointer dereference and application crash) against directory authorities via a malformed descriptor, aka TROVE-2017-010.
EPSS 1.70% · 77.0th 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
1.70%
77.0th percentile
Affected Products
| Vendor | Product | Versions |
|---|---|---|
| Ubuntu:16.04:LTS | tor | 0, 0.2.6.10-1ubuntu2, 0.2.7.6-1ubuntu1 |
Timeline
- Dec 2, 2017 CVE Published
- Apr 14, 2021 EPSS Score
- Jun 23, 2021 EPSS Score
- Aug 25, 2021 EPSS Score
- Oct 28, 2021 EPSS Score
- Mar 3, 2022 EPSS Score
- May 5, 2022 EPSS Score
- Jul 7, 2022 EPSS Score
- Sep 9, 2022 EPSS Score
- Nov 12, 2022 EPSS Score
- Jan 14, 2023 EPSS Score
- Mar 7, 2023 EPSS Score
References
- https://bugs.torproject.org/24245 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-2017-8820 third-party-advisory
- https://ubuntu.com/security/CVE-2017-8820 advisory