CVE-2017-8820
Last modified
CVE-2017-8820 is a vulnerability of currently unknown severity. 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 estimates a 1.70% chance of exploitation in the next 30 days.
Description
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.
Metrics
Weakness Enumeration
Affected Software
| Vendor | Product | Versions |
|---|---|---|
| Tor Project | Tor | < 0.2.5.16 |
| Tor Project | Tor | >= 0.2.6, < 0.2.8.17 |
| Tor Project | Tor | >= 0.2.9, < 0.2.9.14 |
| Tor Project | Tor | >= 0.3.0, < 0.3.0.13 |
| Tor Project | Tor | >= 0.3.1, < 0.3.1.9 |
| Debian | Debian Linux | 8.0 |
| Debian | Debian Linux | 9.0 |
References
- https://bugs.torproject.org/24245Vendor Advisory
- https://www.debian.org/security/2017/dsa-4054Third Party Advisory
- https://bugs.torproject.org/24245Vendor Advisory
- https://www.debian.org/security/2017/dsa-4054Third Party Advisory
Timeline
- Published
- Last Modified
- Status
- Modified
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