CVE-2018-0732 is a Denial of Service (DoS) vulnerability affecting OpenSSL versions 1.1.0-1.1.0h and 1.0.2-1.0.2o, as well as products like Canonical, Debian, and Node.js that utilize these OpenSSL versions. A malicious server can exploit this by sending an excessively large prime value during a TLS DH(E) key agreement, causing the client to hang while attempting to generate a key. This vulnerability has a CVSS score of 7.5 (HIGH), indicating a network-based attack with low complexity and a high impact on availability. There is currently no public exploit code available, nor is there evidence of active exploitation or significant community discussion.
| Vendor | Product | Version(s) | CPE |
|---|---|---|---|
>= 1.0.2, <= 1.0.2oCPE matchmatch criteria | cpe:2.3:a:openssl:openssl:*:*:*:*:*:*:*:* | ||
>= 1.1.0, <= 1.1.0hCPE matchmatch criteria | cpe:2.3:a:openssl:openssl:*:*:*:*:*:*:*:* | ||
12.04CPE matchmatch criteria | cpe:2.3:o:canonical:ubuntu_linux:12.04:*:*:*:esm:*:*:* | ||
14.04CPE matchmatch criteria | cpe:2.3:o:canonical:ubuntu_linux:14.04:*:*:*:lts:*:*:* | ||
16.04CPE matchmatch criteria | cpe:2.3:o:canonical:ubuntu_linux:16.04:*:*:*:lts:*:*:* |
CVSS version used by this source: 3.1
CVSS:3.1/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.