CVE-2018-16868
5.6
MEDIUM
CVSS 3.1
EPSS 0.04%
Description
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.
How to fix CVE-2018-16868
To remediate CVE-2018-16868, upgrade the affected package to a fixed version below.
- —upgrade to 3.6.5-2 or later
Is CVE-2018-16868 being exploited?
Low — EPSS is 0.0%, meaning exploitation activity has not been observed at scale.
Affected packages (1)
- from 0, < 3.6.5-2
CVSS scores
| Source | Version | Severity | Vector |
|---|---|---|---|
| osv | CVSS 3.1 | MEDIUM5.6 | CVSS:3.1/AV:P/AC:H/PR:L/UI:N/S:C/C:H/I:L/A:N |