5.6
CVSSv3

CVE-2018-16868

Published: 03/12/2018 Updated: 30/11/2022
CVSS v2 Base Score: 3.3 | Impact Score: 4.9 | Exploitability Score: 3.4
CVSS v3 Base Score: 5.6 | Impact Score: 4.7 | Exploitability Score: 0.4
VMScore: 295
Vector: AV:L/AC:M/Au:N/C:P/I:P/A:N

Vulnerability Summary

A Bleichenbacher type side-channel based padding oracle attack was found in the way gnutls handles verification of RSA decrypted PKCS#1 v1.5 data. An attacker who is able to run process on the same physical core as the victim process, could use this to extract plaintext or in some cases downgrade any TLS connections to a vulnerable server.

Vulnerability Trend

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gnu gnutls

Vendor Advisories

A Bleichenbacher type side-channel based padding oracle attack was found in the way gnutls handles verification of RSA decrypted PKCS#1 v15 data An attacker who is able to run a process on the same physical core as the victim process could use this to extract plain text or, in some cases, downgrade any TLS connections to a vulnerable server ...