CVE-2017-8819 describes a vulnerability in Tor's v2 onion services where the replay-cache protection mechanism is ineffective, allowing an attacker to send numerous INTRODUCE2 cells. This issue affects various versions of Tor and Debian Linux. With a CVSS score of 7.5 (High), this vulnerability can be exploited remotely with low complexity, leading to a high impact on availability. There is no evidence of active exploitation, publicly available exploit code, or significant community discussion surrounding this CVE.
| Vendor | Product | Version(s) | CPE |
|---|---|---|---|
< 0.2.5.16CPE matchmatch criteria | cpe:2.3:a:tor_project:tor:*:*:*:*:*:*:*:* | ||
>= 0.2.6, < 0.2.8.17CPE matchmatch criteria | cpe:2.3:a:tor_project:tor:*:*:*:*:*:*:*:* | ||
>= 0.2.9, < 0.2.9.14CPE matchmatch criteria | cpe:2.3:a:tor_project:tor:*:*:*:*:*:*:*:* | ||
>= 0.3.0, < 0.3.0.13CPE matchmatch criteria | cpe:2.3:a:tor_project:tor:*:*:*:*:*:*:*:* | ||
>= 0.3.1, < 0.3.1.9CPE matchmatch criteria | cpe:2.3:a:tor_project:tor:*:*:*:*:*:*:*:* |
CVSS version used by this source: 3.0
CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
The average CVE in this peer group has 0.0 Twitter, 0.0 Reddit, 0.1 Bluesky, 0.1 Mastodon, and 0.4 GitHub mentions.
No media coverage found for this CVE.
The average CVE in this peer group has 0.1 InfoSec Media, 0.0 Vendor Blog, and 0.0 Security Researcher mentions.
Remediation records are not available for this CVE.