CVE-2018-0490 is a denial-of-service vulnerability affecting Tor versions before 0.2.9.15, 0.3.1.10, and 0.3.2.10, specifically impacting the directory-authority protocol-list subprotocol. A remote attacker can trigger a NULL pointer dereference, causing a directory-authority crash, by submitting a malformed relay descriptor during the voting process. This vulnerability has a CVSSv3 score of 7.5 (HIGH), indicating a network-based attack with low complexity and high availability impact. There is no evidence of active exploitation, public exploit code (Metasploit, Nuclei, ExploitDB), or significant community discussion or media coverage surrounding this CVE.
| Vendor | Product | Version(s) | CPE |
|---|---|---|---|
<= 0.2.9.14CPE matchmatch criteria | cpe:2.3:a:torproject:tor:*:*:*:*:*:*:*:* | ||
>= 0.3.1.7, <= 0.3.1.9CPE matchmatch criteria | cpe:2.3:a:torproject:tor:*:*:*:*:*:*:*:* | ||
0.3.1.1CPE matchmatch criteria | cpe:2.3:a:torproject:tor:0.3.1.1:alpha:*:*:*:*:*:* | ||
0.3.1.2CPE matchmatch criteria | cpe:2.3:a:torproject:tor:0.3.1.2:alpha:*:*:*:*:*:* | ||
0.3.1.3CPE matchmatch criteria | cpe:2.3:a:torproject:tor:0.3.1.3:alpha:*:*:*:*:*:* |
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.