CVE-2018-16869 describes a Bleichenbacher-type padding oracle side-channel vulnerability in the nettle cryptographic library, specifically affecting its handling of RSA decrypted PKCS#1 v1.5 data. An attacker co-located on the same physical core as a victim process could exploit this flaw to extract plaintext or downgrade TLS connections. While rated Medium severity (CVSS 5.7) due to its physical attack vector and high complexity, there is no known active exploitation, public exploit code (Metasploit, Nuclei, ExploitDB), or significant community discussion or media coverage.
| Vendor | Product | Version(s) | CPE |
|---|---|---|---|
<= 3.4CPE matchmatch criteria | cpe:2.3:a:nettle_project:nettle:*:*:*:*:*:*:*:* |
CVSS version used by this source: 3.0
CVSS:3.0/AV:P/AC:H/PR:H/UI:N/S:C/C:H/I:N/A:N
The average CVE in this peer group has 0.0 Twitter, 0.0 Reddit, 0.1 Bluesky, 0.0 Mastodon, and 0.1 GitHub mentions.
No media coverage found for this CVE.
The average CVE in this peer group has 0.2 InfoSec Media, 0.0 Vendor Blog, and 0.0 Security Researcher mentions.